travel trailer air conditioner replacement

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Replacing an RV Air Conditioner - Everything You Need to Know

Since most RVs come with an air conditioner installed from the factory, there are only a few reasons that you might need to buy a new AC unit. First, if the factory installed unit stops working and needs to be replaced. Second, you may want to upgrade your existing AC unit if it underperforms or wasn’t really designed for your specific RV lifestyle. Since replacing an RV air conditioner is not a commonly reoccurring need in an RVer’s life, if you find yourself in the position that you’re replacing your AC unit it very well could be the first time you’re doing it. So, we asked the AC experts at Coleman-Mach to answer common questions about replacing an RV air conditioner and give their tips to be sure the unit you select is the right one to keep you cool on your unique RV adventure.

What are the signs that my AC unit will need to be replaced soon?

There are lots of signs that your current AC may be on the way out. If you notice any of the following symptoms address them immediately with an RV service tech to see if it’s a fixable problem or if you need to start looking into replacing your RV air conditioner.

• Your AC is extremely slow to start
• There is a lack of air flow coming from the unit
• The AC only works in low-stress settings
• The AC is blowing warm air
• The unit is unusually noisy when starting up, running, or powering down
• The unit seems to be drawing more energy than normal

What if I like my AC and want to replace it with the same model?

There are two steps to replace a factory installed air conditioner for aftermarket customers. First, you want to find the model number on your existing unit. Coleman-Mach provides an easy-to-follow video on Finding Essential Parts Number s on YouTube. Then, once you have the model number you can order a replacement unit. If, however, the model number for your factory unit doesn’t translate into an available aftermarket unit, you can use a tool like the Model Number Replacement Tool from Coleman-Mach to find up-to-date product information for corresponding AC replacement units that are available for RV owners to purchase.

How many BTUs do I need?

When it comes to BTUs, the higher the rating the more cooling power the AC unit has. The most common sizes for RV air conditioners are 13,500 BTUs and 15,000 BTUs but there are smaller units for more compact vehicles. Choosing the right size of AC for your RV and working out how many BTUs your rig will need depends on several key factors starting with but not limited to coach size.

The first thing to consider of course is the size of your RV with bigger coaches needing more powerful units to cool their more spacious interiors. Second, take into account the number of AC units in your RV model as well as other environmentally stabilizing factors that may help to keep rigs organically cooler like reflective roofing. Third, you need to be cognizant of the power system on-board your rig whether that be solar, shore power, or generators because different systems have technical limitations to what they can support. Fourth, does your vehicle or your plans on where you’re traveling in that vehicle have rooftop restrictions, like height restrictions for example, that would help define the different options for the best rooftop RV air conditioner? Lastly, take into consideration your destination preferences as frequent travel to hot and humid climates necessitates a stronger air conditioner to account for the larger gap between exterior temperatures and your interior comfort level.

Can I install my new air conditioner myself?

Coleman-Mach recommends a licensed, trained technician completes the installation of any RV air conditioner. Find the closest service location or retail outlet through the Airxcel Dealer & Service Locator .

What’s the difference between ducted and non-ducted AC models?

Just like you may see different types of air conditioner units for brick-and-mortar homes, there are multiple designs for RVs as well. Ducted RV air conditioners have a rooftop unit that distributes cool air to multiple points in the coach through a series of ceiling ducts. Ducted units are controlled through a remote or wall thermostat. Non-ducted units, on the other hand, are like the smaller residential AC units that sit in a window in that they pull hot air in and blow cold air out directly into the interior space; there is no built-in duct work to distribute the cooled air to other parts of the home or RV.

Why is there the option for heat in an air conditioner?

In many RVs the primary source of heat comes from a propane furnace. However, there are other warming options that can be utilized including a heat pump in an air conditioner. Think of a heat pump as an AC operating in reverse. Instead of pulling unwanted heat from inside the RV then expelling it outside like an AC does in the summer, a heat pump pulls ambient heat from outside the RV and routes it into the coach’s interior essentially warming through heat transfer. While a heat pump is not as powerful as a furnace, and likely not a viable choice for freezing weather, it’s a great option during chillier parts of spring and fall travel.

There is also the option of retrofitting existing ACs with an electric heat element. Though not ideal for extreme cold, this heating element can be used to chase the chill away for more comfortable interiors that don’t drain your propane. You can buy an Electric Heating Kit where Coleman-Mach products are sold; find your nearest location on the Dealer & Service Center Locator .

What new technology or upgrades are most worthwhile for RV air conditioners?

The answer to this question heavily depends on your RV lifestyle and what you prioritize on the road. And while there are many options, two that improve both performance and experience are an air purifier and a soft start.

• Air Purifier – Air purifiers can play a number of roles in vehicles and thus be useful to a range of RVers. First and foremost, an air purifier cleans the air; Coleman-Mach’s iWave-M Air Purifier removes bacteria, virus spores, airborne mold, and other pathogens. Air purifiers also remove odors from RV interiors so those that love to cook, those travelling with pets, or those that smoke in their RV can keep their home on wheels smelling fresh.
• Soft Start – A soft start protects your AC by reducing inrush amperage up to 75% and lowering the overall power consumption without sacrificing the unit’s cooling ability. This upgrade is useful for not only extending the life of your AC, but also for vehicles with multiple units. You will see soft starts built into new units now and also soft start kits that can be retrofitted into existing units.

Besides getting a bigger AC, what else can I do to help keep my coach cool?

The effectiveness of any RV air conditioner to cool a space is affected by the overall energy efficiency of the coach. Therefore, looking for ways to elevate your RV’s overall efficiency can go a long way towards creating a comfortable interior environment and easing the strain on AC units so they do not become overused.

Starting at the top and working down, reflective roofing like Tufflex™ from Dicor deflects solar heat keeping interior temperatures cooler. Likewise, exterior awnings, fan/vent shades , and interior window shades that block or absorb sunlight preventing it from entering the RV in its full, temperature raising force are another way to keep interior temperatures naturally cooler.

Another key way that your air conditioner affects the energy efficiency of your RV is through aerodynamics. Low-profile rooftop units are more streamlined which creates less drag for better fuel efficiency. And currently, the Coleman-Mach Mach 8 Plus has the lowest profile on the market.

What are the different kinds of thermostats for RV air conditioners?

We can put thermostats into three general groups: Bluetooth thermostats, digital thermostats, and analog thermostats. Starting with the most cost-friendly are the analog single stage thermostats offering environmental control through manual operation. Next are digital thermostats advancing precise temperature control through a digital display with single stage thermostats. And finally, Bluetooth thermostats that allow for control of the AC wirelessly through the use of Bluetooth and a digital app.

There are also ways that RVers can use the same smart residential thermostats in their RV as they do in their brick-and-mortar home. The Smart Control Center from Colman-Mach has bridging technology that allows residential smart thermostats to work in RVs including their compatible devices like Google Assistant or Alexa.

Where is the best place to buy an RV air conditioner?

Airxcel provides a free Dealer & Service Center Locator for its family of brands including Coleman-Mach with hundreds of dealers and service centers coast to coast in both the U.S. and Canada. Easily find the nearest dealer to your location simply by inputting your zip code.

Have additional questions about buying a new AC or your existing Coleman-Mach unit? Our experts are here for you! Join our private Adventure Club for ongoing access to Airxcel product experts and industry insights to elevate your RV experience. Or submit your question below for a chance to have it answered by our professionals in our next how-to blog on RV air conditioners.

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RV Air Conditioner Repair and Troubleshooting Guide

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One of the best aspects of RVing is the ability to bring the comforts of home on the road with you – with one of the main comforts being air conditioning !

Unfortunately, there will come a time when that comfort breaks down. And let me tell you, your AC never breaks down at a convenient time.

Our RV air conditioner repair and troubleshooting guide below covers some of the most common AC issues and tips to repair them. This will help you save time and money you can spend on the road!

RV Air Conditioner Repair & Troubleshooting Guide

Even the best RV air conditioner will eventually run into problems. And when it does, there are five main issues you will run into:

• The air conditioner has no power and won’t turn on
• It will turn on but won’t run
• It runs but isn’t blowing cold air
• The air conditioner cycles on and off
• It’s noisy (or making an odd noise)

If you’re experiencing one of these five issues, jump down to the appropriate section below for tips to repair it.

Important : Before performing any repairs on your AC unit, be sure to turn the unit off and disconnect it from the power source to avoid electrical shock.

RV Air Conditioner Won’t Turn On

If your RV air conditioner is not receiving power and won’t turn on, it’s typically an issue with the power supply or the breakers.

Troubleshooting Tips

• Test the RVs power supply : Plug an appliance into a 110v outlet in the RV to see if it works. If it works, then the power coming into your vehicle is fine.
• Check the breakers : If your RV is receiving power, next, we need to check the breakers. It’s not uncommon for a breaker to trip in the RV and cause the AC to stop working.
• Check the transfer switch : If your unit powers on with shore power but not while using a generator, it could be a bad transfer switch.

If everything checks out, it’s time to call a qualified professional to service your air conditioner.

Tip : Find a mobile RV repair service near you to get your AC running again!

My RV Air Conditioner Won’t Run

If your RV air conditioner powers on but will not run, it’s typically an issue within the unit itself.

• Check the fault codes (if applicable) . Many RV air conditioner models, for example, the Dometic Brisk 2, will display a fault code on the unit when there is an issue. Check your owner’s manual for the meaning of the code.
• Check the high-pressure switch circuit . If your AC model has a high-pressure switch safety circuit, it could have been tripped due to abnormal conditions (dirty filters, etc.). Refer to your owner’s manual for steps to reset the circuit. In some models, it’s as easy as turning the RV’s power supply off and back on.
• Check the capacitors . Your RV air conditioner unit typically has two capacitors – a run capacitor and a start capacitor. Often when you hear a humming sound but your fan won’t kick on, it’s due to a bad capacitor. You can test your capacitors using a standard multimeter. If you find a bad one, you will need to contact the manufacturer for a new one or find a suitable replacement.
• Check the thermostat. This may seem like a no-brainer, but make sure the temperature on the thermostat is low enough for the unit to kick on.

If all the above checks out, you will need to contact a qualified service technician to service the unit.

My RV AC is Not Blowing Cold Air

If your RV air conditioner turns on but isn’t blowing cold air, it typically needs proper maintenance performed on it, or it simply can’t keep up.

• Check the Thermostat: The first thing to do is to ensure that your thermostat is set to the right temperature and is in the ‘cool’ mode.
• Check the outside temperature : On extremely hot days, it can be difficult for your RV AC to keep up, especially if your RV has a high heat gain. If your vehicle is poorly insulated, has a lot of windows, is located directly in the sun, and so on, it can be difficult for even the best air conditioner to keep the vehicle cool. Try parking your RV in the shade, keep doors and windows shut, and don’t use heat-producing indoor appliances like your stove to help keep your RV cool.
• Check the air conditioner filters : A dirty air filter can restrict airflow and cause the air conditioner to not cool properly. Checking and cleaning the filters every two weeks will help keep your AC blowing cold air.
• Inspect the condenser and evaporator coils : Dirty condenser and evaporator coils are another common culprit of air conditioners not blowing cold air as they should. They can also lead to your high-pressure switch circuit tripping. Check out this video on how to clean your RV air conditioner coils.

• Check the refrigerant levels: Low refrigerant levels in the compressor are another common cause for your AC not blowing cold air, though, in our experience, it’s rarely the culprit. How you check the refrigerant level will depend on the model you have (if you are even able to). And while you might be able to check the levels and even recharge the air conditioner yourself, I recommend you leave this to a qualified technician. They will be able to identify why your refrigerant levels are low and will be sure to discard the old freon responsibly (hopefully).
• Examine the Air Ducts: If the air ducts are blocked or leaking, they can cause the air conditioner to not cool properly. If your RV has a ducted system, inspect them for any blockages or leaks.
• Is your AC unit old? Let’s face it, nothing lasts forever. The older your AC gets, the more of a chance it won’t be able to keep up with the high demand of keeping your RV cool. So, it may be time to invest in a new unit for your RV.

RV Air Conditioner Cycles on and Off

If your RV air conditioner is cycling on and off frequently, this is a common issue known as short cycling. It can lead to inefficiency, increased wear on the air conditioner components, and inadequate cooling.

Here are some troubleshooting steps to help you address this issue.

• Check the Thermostat Settings : The first step in troubleshooting this issue is to check your thermostat settings. Ensure that the thermostat is set to the correct temperature and mode. If the settings are too close to the current room temperature, it may cause the unit to cycle on and off frequently.
• Check for Frozen Evaporator Coils : Frozen evaporator coils can cause your air conditioner to cycle on and off frequently. When the coils freeze, the air conditioner may become inefficient and start to short cycle. This is often due to insufficient airflow from issues like a dirty air filter or blocked vents. If you see ice buildup on the coils, turn off the air conditioner to allow the ice to melt.
• Check for Refrigerant Leaks : Low refrigerant levels can cause the air conditioner to cycle on and off frequently. If you suspect a refrigerant leak, you’ll need to have a professional inspect the system and refill the refrigerant if necessary.
• Evaluate the Size of Your Air Conditioner : If your air conditioner is too large for your RV, it may cool the space quickly and then shut off, only to turn back on when the temperature rises again. This is a more complex issue that may require professional evaluation and potentially replacing the unit with one that is appropriately sized.

If you’ve gone through these steps and the problem persists, it’s time to seek professional help. An HVAC professional can diagnose and fix more complex issues that may be causing your air conditioner to cycle on and off.

RV Air Conditioner is Noisy

A noisy RV air conditioner can be a nuisance, especially when you’re trying to enjoy a peaceful trip. The noise can be a sign of various issues, from minor to more serious ones.

Here are some steps to troubleshoot and potentially quiet down your noisy RV air conditioner.

Step 1: Identify the Type of Noise

The first step in troubleshooting a noisy air conditioner is to identify the type of noise. Is it a rattling, buzzing, humming, or whistling noise? The type of noise can give you clues about the potential issue.

Step 2: Check for Loose Parts

A common cause of noise in an air conditioner is loose parts. This could be anything from the screws that hold the unit together to internal components. Tighten any loose screws and check the fan blades for any signs of looseness or damage.

Step 3: Inspect the Fan

A noisy fan can cause your air conditioner to make a lot of noise. Check the fan for any signs of damage, such as bent blades. If the fan is damaged, it may need to be replaced.

Step 4: Check the Compressor

The compressor is another component that can cause noise when it’s not working properly. If the noise is a buzzing or humming sound, it could be a sign of a compressor issue. A professional may need to inspect the compressor to determine if it’s the source of the noise.

Tip : If you’ve gone through these steps and the noise persists, it’s time to seek professional help. An HVAC professional can diagnose and fix more complex issues that may be causing the noise.

Remember, regular maintenance of your RV air conditioner can prevent many common issues, including noise. Regular cleaning of the filters and coils, checking for loose parts, and ensuring the unit is working properly can all contribute to a quieter and more efficient air conditioner.

Regular RV AC Maintenance Tips

Maintaining your RV air conditioner is crucial for its longevity and efficient operation. Regular maintenance can prevent common issues, enhance performance, and extend the unit’s lifespan.

Here are some expert tips on how to maintain your RV air conditioner:

Important : Before performing any maintenance on your AC unit, turn the unit off and disconnect it from the power source to avoid electrical shock.

Clean the Air Filters

Be sure to clean the air filter(s) in your RV AC after every two weeks of operation. Check out our guide on how to clean an RV air conditioner filter for the exact step-by-step process.

Important : Do NOT run your AC without the filter in place! This can cause the evaporator to become clogged with dust and reduce performance.

Clean AC Box Housing

Clean the air distribution box housing and the control panel regularly with mild soap and a soft cloth.

Important : Do NOT use an abrasive scouring pad or furniture polish to clean the housing or control panel.

Inspect for Leaks

Leaks can lead to various problems, from reduced efficiency to potential water damage in your RV. Regularly inspect your air conditioner for signs of leaks, paying particular attention to the condenser coils and the gasket that seals the unit to your RV’s roof.

Keep Your RV AC Covered When Not in Use

There are days, even months, when the RV air conditioner isn’t running. During this time, it’s easy to accumulate soot and dirt in the air conditioner, which can cause a host of issues. By investing in a good A/C cover, you can keep a lot of that debris out, thus keeping the unit clean.

Tip : While on your roof, check any seals and tighten any screws or bolts as needed. This will help ensure a tight seal to prevent leaks and help keep your RV AC quiet when operating.

Inspect the Condenser & Evaporator Coils

At least once a year, inspect the air conditioner condenser and evaporator coils. Look for coils that have been blocked by dirt or leaves. This is especially important if you start to notice your AC not blowing as cold of air as it used to. Check out our video above on how to properly clean these coils.

Lubricate the Fan Motor

Some units may require you to lubricate the blower motor periodically. Check the owner’s manual to see if this is necessary and for the type of oil needed. SAE 20 non-detergent type oil is most commonly used and can be found at a heating and cooling parts supplier.

Regular Professional Service

While many maintenance tasks can be performed on your own, it’s a good idea to have your air conditioner professionally serviced at least once a year. A professional can perform a thorough inspection and address any potential issues before they become significant problems.

How Much Does It Cost to Replace an RV Air Conditioner?

It can cost between $500 to $1100 on average for a new RV air conditioner, plus an additional $400 to $700 (or more) to install it. Keep in mind running costs will change, as well, depending on the size of the new air conditioner. Luckily, newer models tend to be a little more energy-efficient.

Can RV Air Conditioners Be Recharged?

While you can recharge some RV air conditioners, most models do not allow you to without some customization by a qualified service technician.

Why Does My RV Air Conditioner Leak When It Rains?

If your RV air conditioner only leaks when it rains, it’s likely due to a bad seal or rubber gasket where the unit meets the roof of the RV. Read RV Air Conditioner Leaks When it Rains? Do This! for more information on how to identify the cause and fix it.

What Is the Lifespan of an RV AC?

The lifespan of an RV air conditioner can vary depending on several factors, including the brand and model of the unit, how often it’s used, and how well it’s maintained. On average, an RV air conditioner can last between 10 to 15 years with proper care and regular maintenance. However, this can be shorter or longer depending on the factors mentioned above. Regular cleaning, timely repairs, and proper winter storage can all contribute to extending the lifespan of an RV air conditioner.

4 thoughts on “RV Air Conditioner Repair and Troubleshooting Guide”

WHAT TYPE OF FREON DO RV A/C’S CONTAIN & WHAT IS THE NORMAL SUCTION LINE SIZE? THANKS.

Without knowing the year, make, and model of the unit I can’t accurately answer these questions. Your best bet is to reach out to the manufacturer.

My roof top A/C travel trailer is making a clicking sound. Only way to rid of it was to disconnect battery cable. Would a bad start or run capacitor cause the clicking?

Does it only click and not turn on? It could be a number of things, including a capacitor like you mentioned, the control board, a relay, etc.

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Best RV Air Conditioners: Efficient And Affordable Cooling Solutions For Your Camper

Cool your RV and make camping a comfortable adventure with these top RV air conditioners.

We may earn revenue from the products available on this page and participate in affiliate programs. Learn more ›

If you love spending time in your RV, whether it’s parked at your favorite national park, or driving all over the country exploring, one thing is certain: hot, humid nights create unhappy campers. Investing in a quality RV air conditioner can be a game-changer when it comes to creating a comfortable, climate-controlled environment that’s perfect for sleeping. Today’s RV air conditioners are efficient and powerful units that will cool your space quickly and help cut down on mold-causing humidity, keeping your RV cleaner and healthier. They come in a variety of sizes, installation configurations, and vary greatly in price. To help aid you in the decision-making process, we’ve come up with a list of some of the best RV air conditioners on the market.

ASA Electronics ACM135 Advent Air RV Air Conditioner

This 13,500 BTU AC unit is manufactured to be extra durable and effectively withstand harsh weather and temperatures while still running reliably.

• Compatible with most RV makes and models
• Reasonably priced
• Features an optional plug-in heat strip
• Concern over long-term reliability
• Control knobs tend to come off easily

Dometic Brisk II Rooftop Air Conditioner

This RV AC unit is our best value pick because of its great performance and affordable price point. It features a 15 percent increase in air flow over its predecessor, cooling your space quickly.

• Tough design withstands shocks and vibrations
• Compact structure works in any RV
• Limited power consumption
• Noisier operation than some other options
• Base pan is less durable than rest of AC unit

RecPro RV Air Conditioner 15K

This 15,000 BTU RV air conditioner functions as a heater in addition to an air conditioner, allowing you to kill two birds with one stone and save valuable RV space in the process.

• Rugged, streamlined design
• Compact height works well with almost any RV model
• Improved efficiency over previous models
• Installation manual can be confusing
• Heavier than some other units on the market

Summary List

• Best Overall: ASA Electronics ACM135 Advent Air RV Air Conditioner
• Best Value: Dometic Brisk II Rooftop Air Conditioner
• Best Premium: RecPro RV Air Conditioner 15K
• Best Dual-Motor: Furrion Chill 15,500 BTU RV Rooftop AC
• Most Versatile: Coleman 48204C866 Mach 15+ A/C Unit

Our Methodology

Our product selections, rankings, and awards for this story are based on research. While we haven’t conducted real-world testing yet on all of these products yet, we’ve looked at consumer testimonials and data, tutorials, and general discussions on social media and in forums. We also consider price and specification in the context of the segment. And, of course, we rely on our institutional knowledge of the automotive landscape to weed out weak products.

In order to be sure we chose the best available and most reliable RV air conditioners, we weeded through countless dozens of options available. When it comes to RV air conditioners, there is a surprising number of choices, so we narrowed it down by relying on our own personal expertise, as well as the experiences of thousands of satisfied, and unsatisfied, customers. 

In the end, we also wanted to provide you with options that were suitable for a wide variety of RV makes and models, and not specialized to one specific RV type, because let’s face it, there are a ton of different RV styles and sizes out there. We further eliminated options that were manufactured by companies that didn’t already have a stellar reputation and a long-standing track record of producing high-performance, durable products. The result is the list you see above.

Best RV Air Conditioners: Reviews and Recommendations

Best Overall

When it comes to our top pick for the best overall RV air conditioner, it’s got to be the ASA Electronics ACM135 Advent Air RV Air Conditioner. It’s a 13,500 BTU unit capable of effectively and quickly cooling even large RVs. Manufactured to be durable, this rooftop air conditioner is designed to withstand some of the harshest elements, from direct sunlight to driving rain and wind. It also features a rigid, all-metal construction base pan.

We also like that this air conditioner comes with everything you need to get up and running quickly — and you can also get an optional plug-in heat strip for added customization. A high-quality, thick, watertight vent opening gasket features six foam pads that ensure no water gets through, even in the most driving rain. 

This unit also fits ideally with most standard 14.25 x 14.25-inch vent openings, making it a versatile choice for a wide range of RVs. There have been a few customer complaints about the overall cooling capability, but these issues have been limited to just a selection of units. Our advice would be to try it out immediately upon arrival so you can troubleshoot any issues early on.

• Brand: ASA Electronics
• Model: Advent 13.5
• Weight: 50 pounds
• Relatively affordable
• Fits most RV makes and models
• Can add an optional plug-in heat strip
• Some concern over long-term cooling power
• Doesn’t include inside ceiling kit with purchase
• Control knobs fall off easily

The Dometic Brisk II Rooftop Air Conditioner sets itself apart from the competition with a bunch of features that you’ll normally find on pricier models. This RV air conditioner packs a respectable 13,500 BTUs of power that can cool recreational vehicles of all sizes. You don’t need to worry about the power consumption, as this model offers a 15 percent increase in airflow from its previous version, while still drawing the same amount of power. As a result, the Brisk II is now compatible with standard air vents. You get better cooling capacity since the distribution box uses central air delivery. 

Moreover, the unit is made from quality materials for better durability, absorbing shocks and vibrations, as well as all types of weather, with its stable and strong frame. One thing to watch out for with this model is the base pan. It’s less durable than the rest of the unit and customers have reported that it’s also a bit noisier during operation than some other models. The packaging is another issue that needs to be addressed since the box doesn’t protect the unit from major damage during shipping. Finally, the starting electrical load is too high for small generators.

• Brand: Dometic
• Model: ‎B59516.XX1J0
• Weight: 74 pounds
• Base pan is not very durable
• Noisier than some other options
• Control unit is sold separately, adding to the overall cost

Best Premium

The RecPro RV Air Conditioner 15K gets high marks for being one of the only units on our list that’s both an air conditioning and a heating unit, letting you extend your RV season to the max. It’s a non-ducted setup that’s quick and easy to install. Like most other air conditioners on the market, it’s available in black or white and runs off 115 volts of power. This unit features a quiet operating noise level of less than 60 decibels and draws just 12 amps for heating and 14 amps for cooling, which is less than many other models available. That translates into less electricity use for you which can amount to significant savings over time. 

This unit also comes with a straightforward and easy-to-read wireless remote control for added convenience. While it is on the high end of the price range, this air conditioner does come with everything you need for installation and since it doubles as a heater, it’s actually a great value for your investment.

• Brand: RecPro
• Model: RP-AC3800
• Weight: 80.3 pounds
• Can be used as an AC unit and also as a heating unit
• Sleek and modern looking
• Comes with everything you need for complete installation

Best Dual-Motor

Furrion Chill 15,500 BTU RV Rooftop AC

The Furrion Chill 15,500 BTU RV Rooftop AC features a sleek and modern design that fits almost any RV. It has a powerful output of 15,500 BTU, which is ideal for cooling medium to large RVs quickly, and it’s equipped with dual-fan technology and features a lightweight insulated heat exchanger housing and an isolated plastic base. 

This unit features 50 percent greater cooling capacity and 40 percent better energy efficiency when compared to many other models we looked at, too. We also like that this RV air conditioner is built with the brand’s ClimateSmart and VibrationSmart technologies that help improve its overall durability and longevity. 

The Chill also has a UV-resistant cover with thermal insulation to protect components from damage due to heat, rain, sun, and debris. One thing many users note is that installation of this unit can be somewhat difficult compared to other models and that the instruction manual is not as clear or understandable as it should be if you’re doing a self-install.

• Brand: Furrion
• Model: FACR15SA-PS-AM
• Weight: 84 pounds
• Powerful enough to cool larger RVs
• Uses eco-friendly coolant
• Boasts the highest energy efficiency rating on the market 
• Instruction manual needs to be easier to understand
• Doesn’t come with everything you need to do a complete installation

Most Versatile

Coleman 48204C866 Mach 15+ A/C Unit

If you want the ultimate in functionality, versatility, and aerodynamic design, check out the Coleman 48204C866 Mach 15+ A/C Unit. This unit is one of the most powerful RV air conditioners you can buy. It features a 1/3 HP fan motor, which is the largest available in an RV air conditioning unit and it can move air at an impressive 320 CFM. 

It fits perfectly in most existing 14 x 14-inch rooftop vent openings, making it a great choice for almost any RV make and model. It’s charged with eco-friendly R-410A refrigerant, which is better for the environment than typical freon. And with 15,000 BTUs of power, you can be sure your RV will be cooled to your liking in no time. 

It has a streamlined design that helps enhance airflow over the top of the unit and allows for improved cooling efficiency. Gas-flux brazed joints and all-copper tubing are durable construction elements that you won’t find in all RV air conditioner models. This unit is also set up to accept an optional heater assembly that’s capable of pumping out up to 5,600 BTUs of heat. It is, however, one of the pricier units on our list and it doesn’t come with an included thermostat.

• Brand: Coleman
• Model: 08-0080
• Weight: 90 pounds
• Can be modified to be a heater as well as an air conditioner
• Compatible with almost all RV makes and models
• Features the largest and most powerful fan motor on the market
• One of the heaviest units on our list
• Doesn’t come with an included thermostat

Our Verdict on the Best RV Air Conditioners

Now that you know what to look for in a top-quality, high-performance RV air conditioner, it’s probably easy to see why we chose the ASA Electronics ACM135 Advent Air RV Air Conditioner as our top pick. It’s a reasonably priced unit that’s compatible with most RV makes and models. It also comes with an optional plug-in heat strip, making it an even better value. 

For a more budget-friendly option, we like the Dometic Brisk II Rooftop Air Conditioner . It’s a well-built RV air conditioner that comes with a lot of features you will only find in pricier models. This newly revamped version also offers a 15 percent increase in airflow from its previous version, giving you a bigger bang for your buck.

What to Look For

When it comes to selecting the ideal RV air conditioner to suit your needs, there are several key factors that, if addressed appropriately, will ensure you get a great product that will last you a long time. After all, RV air conditioners aren’t cheap, so you want to make sure that you’re getting the most out of your investment won’t be left sweating and miserable on those 100-degree days.

Benefits of RV Air Conditioners

• Customizable comfort level. When the temperature outside becomes unbearable, you’ll appreciate the cool air inside your RV. Whether you’re camping or on the road, an efficient RV air conditioner is a necessity. It makes the difference between a comfortable experience and one you’d rather forget. 
• Clean indoor air. The air quality inside the RV gets better with an AC unit installed. No more dust or allergies; fresh and moving air is less likely to breed germs or impact the health of those living on board.

Types of RV Air Conditioners

Rooftop .

Rooftop air conditioner units are popular since they save you space inside the RV. Their ideal place on top of the vehicle means the brisk air outside cools the RV AC unit, and low-profile units consume less energy and have a lower risk of damage when passing under bridges. Rooftop AC systems come in two options: ducted and non-ducted. Ducted systems are suited for large RVs, as they push the cool air to all corners of the RV. Non-ducted units are suitable for smaller RVs and cost less.  

Under Bench

The under-bench RV air conditioner, as you might expect, is located inside your vehicle. It’s stored under a seating bench or inside a cabinet. So while it does take up valuable storage space inside your RV, it’s a perfect option if you have an RV with a curved or already overcrowded roof. It does allow you to keep your windows free and unaffected by ductwork.

Portable units have a smaller size and a better design, as you can move them around, and they don’t require installation. They take up space inside the RV and need extra care for handling. The units are energy efficient but require a hose to avoid water leakage. Instead of the usual refrigeration process, the unit evaporates the air and releases a cold air stream to cool the area. 

A Swedish company opening its doors in 2001, it manufactures a wide range of products, designed for recreational vehicles. With a global distribution network dealing in over 100 countries. Its product line continues to evolve, including everything from camping gear to power systems for RVs and boats. Among its top climate control systems for RVs is the Dometic B59516.XX1J0 Brisk , favored for its powerful cooling effects. 

This brand falls under the Dometic manufacturing umbrella, but it’s still worth noting. It was successfully bought out due to its high-grade products spanning from heating systems to windows and doors. Focusing on the recreational vehicle industry, you’re likely to find an Atwood product in just about every modern RV. An Illinois-based company, it dates back to 1909, continuing to innovate tech in the RV industry. One of its helpful products when setting up an RV air conditioner is the Atwood Ducted Ceiling Assembly . 

Furrion is a company that’s dedicated to melding modern luxury with sustainability. The founding partners met as engineers on a megayacht crew, so they understand what luxury mobile living means on a personal level. 

Founded in Kingfisher, Okla. in 1900 by William Coffin Coleman, this company has been manufacturing and delivering reliable and trusted camping and outdoor equipment for more than 120 years. From tents and sleeping bags, to camp stoves, gas-powered generators, and RV air conditioners like the Coleman 48204C869 RV Air Conditioner , there’s almost nothing you can’t get to make your camping or RV experience as comfortable as possible.

Key Features

BTU stands for British Thermal Unit and it’s a technical specification that can help you decide which AC suits your RV based on its size and average local weather conditions. The average AC unit has 13,500 BTU power. This is enough power to cool down a large RV. Humid weather conditions demand more BTU power in your AC. If you visit areas with high humidity or extreme temperatures, you’ll need to invest in a unit with more BTU power. 

Power Consumption

Air conditioning units consume a lot of energy, so choosing a unit that consumes less power saves you money in the long run. 

Air Purifier

Air with poor quality is a health hazard, especially for people prone to allergies or respiratory issues. Not all RV air conditioners have built-in air purifying systems. Those that have them, however, do a good job of removing odors. The air purifier improves the quality of the air inside the RV and keeps it fresh and clean, regardless of the conditions outside.

Not all RV air conditioners are manufactured to the same size specifications. Be sure to measure your existing unit or the hole for the AC unit prior to purchasing. This is true for rooftop units, under-bench models, and window units. Most rooftop openings measure 14 x 14 inches, but some can be smaller or larger, depending on the manufacturer.

Q: Can I heat my RV with the air conditioning unit as well?

You cannot use the unit to heat the RV in cold weather unless it comes with a heat pump. If your AC doesn’t have a heat pump, you can buy heat strips or a heater assembly kit. 

Q: How often should I maintain my RV air conditioner?

Every two months. Check for cracks in the plastic. Clean the filters and air vents and check for wear and tear marks on the unit.

Q: Can I run my RV air conditioner on battery power?

While you technically can run your RV air conditioner using battery power, it’s not recommended. RV air conditioners are power draws that can quickly drain your batteries down to an unusable state, even with plentiful solar panels to help recharge them. It’s usually best to run your AC only when the engine is running, plugged into pedestal power, or by using an appropriately sized gas-powered generator. 

Why Trust Us

Our reviews are driven by a combination of hands-on testing, expert input, “wisdom of the crowd” assessments from actual buyers, and our own expertise. We always aim to offer genuine, accurate guides to help you find the best picks.

Other ‘ RVs ’ Reviews You Might Like:

• Types Of RVs
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• RV Power & Electrical Supplies
• RV Appliances
• Living In An RV
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Stay Cool in 2024 with the Best RV Air Conditioners – Top Picks for RV AC Units

• Last Updated: March 12, 2024
• 45 minutes read

About Author / Aaron Richardson

Aaron Richardson is an expert RVer and the co-founder of RVing Know How. Aaron, along with his wife Evelyn, has been living and traveling in their Keystone Fuzion RV since 2017. Their adventures span across the country and beyond, including memorable RVing experiences in Mexico. Aaron's passion for the outdoors and RVing shines through in his writings, where he shares a blend of travel stories, practical tips, and insights to enhance the RV lifestyle.

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Converting a Vee nose twin axle trailer to a bunk house for kids. The foot print of the floor is 6 ‘wide X 14′ long, ( 84 Sq ft.) with 7’ of headroom. I need to install an AC/Heat pump unit to cool and heat the rig. Having trouble finding the right size unit to do the job.

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5 Best RV Air Conditioners In 2024 (15,000 BTU Rooftop)

RVs can get incredibly hot in the summer. All interior aside, an RV is basically a metal box. When you park it in the sun, the metal box will easily heat up in much the same way as metal containers in the docks.

RV air conditioners are a part of essential equipment for all RVs. They can have a powerful cooling effect, good reliability, and they can be lightweight. Obviously, they can also be too weak to properly cool an RV during the summer heatwave, they can be less reliable, and heavy.

Here’s the thing:

When buying an RV air conditioner you really have to be careful to sieve the ‘bad’ RV AC units out. That’s why LearnMetrics has prepared a selection of the best air conditioners for RVs and campers where we have done just that (you will find the list further on).

When choosing the best RV AC units, you have to primarily look at 3 specific factors, namely:

• Strong cooling effect (measured in BTU/hr). Air conditioner has to be strong enough to adequately cool down the entire RV, even during heatwaves. That means they have to have at least 12,000 BTU/hr of cooling output.
• Reliability . Traditional tried-and-tested RV air conditioner brands are the best. Dometic and Coleman are the two best RV AC unit brands with a long and successful track-record for reliability.
• Weight . RV air conditioners can easily weigh 150 lbs and more. If you regularly use your RV, you can easily make 1000 miles per year. Lightweight air conditioners below 100 lbs will somewhat reduce gas consumption.

Before we look at the list of the best 5 RV air conditioners in 2024, let’s get a little insight into these 3 key factors for buying an AC unit for an RV:

What Size AC Do I Need For My RV?

Nobody wants to buy an RV air conditioner that doesn’t adequately reduce the temperature. Summer is the season for RVs, and the beautiful thing about summer are the high temperatures. If you’re not sweating in an RV with an inadequate cooling system, that is.

Having a strong (but not too strong) air conditioner for RV is essential. The cooling effect of every RV AC unit is given in BTUs per hour (if you look at the specification sheet, that is usually the No. 1 spec).

The question to answer is this: how many BTUs should an RV air conditioner have? For a great majority of RVs, you should use this rule of thumb when it comes to the size of an AC unit:

• 10,000 BTUs. Too weak to properly cool down an RV in the summer heat.
• 15,000 BTUs . Just right, even for heatwaves.
• 20,000 BTUs. Overkill; electricity and unit costs are unnecessarily high.

In short, 15,000 BTUs is more than enough for pretty much all RV sizes.

Reliability: Which RV Air Conditioner Brands Are The Best?

The worst thing is installing a rooftop RV air conditioner that you have to continually fix. Those ones usually give out when you need them the most – during the summer heatwave.

If you’re buying an air conditioner for an RV, you should buy a quality and reliable unit to avoid future problems. How to figure out which RV air conditioners are reliable?

The brand is the best indication of reliability . Newer brands don’t have the necessary track-record to say “Yes, this AC unit will last for 4+ years”.

Established brands that have been in business for 20+ years have a track-record. Of those, the most successful and best RV air conditioner brands are Dometic and Coleman. The majority of RV owners have either a Dometic or Coleman AC unit simply because they are the most reliable ones.

How long do RV air conditioners last?

Between 3 and 5 years , depending on the use and, obviously, the quality of the unit. Dometic and Coleman units are known for their 5-year lifespans. RV AC units from less established brands will last closer to 3 years.

Lightweight vs Heavyweight AC Units

RV trips are usually long. You can drive for more than 1000 miles before you arrive at your destination. Every pound you take with you will add to the gasoline bill.

If you have an option, you should invest in a lightweight RV AC unit. You can reduce the weight of a rooftop AC unit up to 100 lbs or so.

Here’s a rule of thumb as far as the weight of RV units go:

• Lightweight: Below 100 lbs.
• Heavyweight: Above 100 lbs.

Another advantage of lightweight air conditioners is an easier installation. Lifting a 100+ lbs unit up on the rooftop of an RV or camper is harder than with a below 100 lbs unit.

Secondary Factors When Buying An RV Air Conditioner

In addition to BTUs, reliability, and weight, you should also look into:

• Electrical requirements. 115 V / 60 Hz is the standard; all RVs support that.
• Optional heating. RV ACs like Coleman Mach 15 can also provide a heating function, in addition to the cooling effect. Mach 15, for example, can generate 5,600 BTU/hr of heating output. This comes especially handy during colder summer nights or using an RV in the winter.

With all of this in mind, let’s look at the best RV air conditioners currently on the market. Below you will also find a short review of all RV AC units:

Best RV Air Conditioners In 2024 (Comparison)

• Best RV Air Conditioner In 2024: Dometic Brisk II
• Best RV AC Unit With 5,600 BTU Heating: Coleman Mach 15
• Best Small RV Air Conditioner: Airxcel Mach 3 Plus
• Most Powerful RV Air Conditioner: Furrion CHILL
• Cheapest RV AC Unit: Advent ACM150

1. Dometic Brisk II Review (Best RV Air Conditioner In 2024)

Dometic Brisk II is the quintessential RV air conditioner. It’s pretty much perfect in all the right ways:

• Has perfect 15,000 BTU/hr cooling output. Adequate and appropriate for all RV sizes.
• Reliable. It’s made by Dometic, probably the best RV air conditioner producer with a successful 20-year track-record for reliability.
• It’s lightweight. Dometic Brisk II weighs less than 100 lbs – 85 lbs, to be exact.

Dometic is one of the best known Swedish companies. What is Ikea for affordable furniture, Dometic is for RV air conditioners. The Brisk II (model B59516.XX1C0) is their top-of-the-line flagship model.

It has a characteristic Scandinavian minimalistic design and is available in Polar White as well as in Black color.

Dometic Brisk II is well-engineered; you can see that improvement in high maximum airflow and overall best performance. The Brisk II also includes the dampening brackets that reduce noise levels and vibrations this 15,000 BTU RV air conditioner produces.

With 29.18″ x 27.23″ x 12.7″ dimensions, it will fit on the rooftop of any RV or camper. You also have the 115 V / 60 Hz electrical requirements all RVs can provide.

Perfect in every way, the Dometic Brisk II is the most popular and best RV air conditioner model, available at a moderate price point:

• Exactly 15,000 BTU/hr cooling effect; not too big, not too small, just right
• Lightweight; weighs only 85 lbs and reduces the gasoline usage
• Minimalistic Scandinavian design with 2 color options
• Comes with noise and vibration-reducing dampening brackets
• Made by Dometic; one of the most reliable Swedish RV AC unit producers
• Due to its moderate price, it’s extremely popular and a best-seller
• Doesn’t provide additional heating functionality due to a lack of heat pump

2. Coleman Mach 15 Review (Best RV AC Unit With Heat Pump)

Coleman is, alongside Dometic, one of the two best RV air conditioner brands. Their Mach 15 model is generally considered one of the safest investments if you’re looking for an AC unit for an RV.

The same as Dometic Brisk II, the Coleman Mach 15 (model 08-0080) provides the optimum 15,000 BTU of cooling effect. As you know, 10,000 BTUs would be too weak, 20,000 BTUs is overkill, 15,000 BTUs is just right.

As for electrical requirements: The fan motor is powered by 1/3 HP that is wired with a 115 V / 60 Hz grid (1 phase current). Every RV has that; you don’t have to worry about electrical incompatibilities.

Coleman Mach 15 is especially popular because it has something that a lot of RV air conditioners lack: the heating function. Mach 15 is basically a heat pump. If you want to reduce the temperature inside the RV, you can turn on 15,000 BTUs of cooling power.

If, however, you are camping somewhere where it gets a bit chilly at night, you can turn on a heating function that provides up to 5,600 BTUs of heating effect. That alone makes the Coleman Mach 15 the best RV heat pump, capable of working as an air conditioner as well as a heater.

All in all, Coleman Mach 15 is a perfect all-season RV air conditioner. The air conditioning is used in the summer, the heating can be used on cold nights and even in the dead of winter:

• Best AC with heat pump
• Can produce 15,000 BTU of a cooling effect as well as 5,600 BTU of heating effect (dual function)
• Lightweight enough (90 lbs)
• Can produce very high 320 CFM airflow
• Reputable Coleman brand; guaranteed reliability
• Higher price point due to dual (cooling + heating) effect

3. Airxcel Mach 3 Plus Review (Best Small RV Air Conditioner)

Dometic and Coleman are the 2 best RV air conditioner brands. Airxcel is a Coleman-owned brand, and Coleman knows their RV AC engineering. In short, Airxcel, backed by Coleman, is one of the more reputable brands.

Their best unit is the Airxcel Mach 3 Plus (model 08-0079). It is designed in a similar fashion to Coleman Mach 15 with one major difference: it’s a little less powerful.

With 13,500 BTU of cooling power, this is the best air conditioner for small RVs. A 15,000+ BTU air conditioner would surely be overkill for smaller RV units. The 13,500 BTU is driven by 13.1 cooling amps, 115 VAC 1-phase current.

For cold nights, you can switch to the heating effect. The Airxcel Mach 3 Plus is capable of working as a 5,600 BTU/hr heater. In essence, it is a heat pump, not a cooling-only AC unit.

With a little less power and a little less weight (85 lbs) than Coleman Mach 15, the Airxcel Mach 3 Plus also costs a little less. All in all, it’s a reliable little RV air conditioner with heating option:

• With 13,500 BTUs, it’s the best RV air conditioner for small RVs
• Has heating option with 5,600 BTU/hr heating output (useful on cold nights)
• Reputable Airxcel brand, backed by Coleman engineers
• Reasonable price
• Not appropriate for big RVs or campers

4. Furrion CHILL Review (Most Powerful RV Air Conditioner)

Furrion CHILL is your basic RV AC unit with manual control. The bigger 15,500 BTU model is more appropriate for bigger RVs because it has more cooling power.

The good thing about a big RV air conditioner like Furrion CHILL is the dual-fan system. Most AC units have a single fan; with two fans, the Furrion CHILL can distribute the air more homogeneously throughout the RV or camper. The dual-fan usually also has better energy-efficiency; up to 25% higher than single fan units.

A bigger unit also means that you’re driving around with more weight. The drawback with Furrion CHILL is the 106 lbs weight. This, sadly, can’t be avoided.

Furrion CHILL consist of two units:

• Air conditioner on the rooftop (FACR15SA-PS model).
• Air distribution box in the RV (FACT11MA-PS model).

The Furrion CHILL also has dual compatibility with a ducted or ductless system.

All in all, Furrion CHILL is not a Dometic or Coleman unit but it has 2 fans, good energy-efficiency and a more powerful 15,500 BTU output:

• Very powerful with 15,500 BTU cooling output (appropriate for larger RVs)
• 2 RV fans instead of 1; better energy-efficiency and distribution throughout the RV
• Easy bolt-on installation
• 106 weight (it’s not considered a lightweight unit)
• Not a reputable Dometic or Coleman brand

5. Advent ACM150 Review (Cheapest RV AC Unit)

Top RV air conditioners can easily cost up to $1,000. While Coleman and Dometic units cost about $900, Advent, a lesser-known brand offers a cheaper RV model with a price tag of less than $700.

Advent ACM150 offers a budget-friendly option of a 15,000 BTU air conditioner for RVs. It has 6 dense foam support pads that reduce the vibrations of the metal base pan on the rooftop.

The best part, apart from the cheap price, is the low weight of the Advent ACM150. The whole unit weighs only 68 lbs; it’s the lightest 15,000 BTU unit.

Nonetheless, the Advent brand is not exactly Dometic. Reliability-wise it might be questionable.

All in all, the lesser-known brand might be a problem for some RV owners. The price and the weight of the device, however, are quite impressive:

• Lightweight (68 lbs)
• Available at a very low price point for an RV air conditioner
• Has foam support for vibration-reduction
• Reliability might be questionable
• Not a Coleman or Dometic unit

If you have any questions about RV air conditioners, you can pose them in the comments below.

Related posts:

• How Many BTU To Cool 500 Sq Ft? (+ 500 Sq Ft AC Recommendations)
• 4 Best Cassette Ceiling Air Conditioners In 2024 (+ Specs)
• PTAC Units: What They Are, Pros & Cons, 4 Best PTAC Units (+Specs)
• How Cool Should My House Be If It’s 100F Outside (Or More)?
• How Cool Should My House Be If It’s 90F Outside (Or More)?

15 thoughts on “5 Best RV Air Conditioners In 2024 (15,000 BTU Rooftop)”

One of the most important factors was left out. What is the db noise level when these AC’s are run on high? I don’t care who makes it or how heavy it is if it’s too noisy.

Hello Donald, that’s true. We will try looking into the quietest RV air conditioners; going rank them by noise levels (dB in specifications).

I read about some “soft start” units that have a lesser current draw on startup. Are any of the units recommended equipped with that feature?

Hello Frank, a good question. None of these units is a soft start RV air conditioner; this is a rather new trend and there are practically no soft start RV air conditioners just out of the box. Every RV AC can be turned into a soft start RV AC with a ‘soft start capacitor’. This is an RV AC add-on that reduced the initial current draw for all your RV electric equipment. One of the best well-known of these soft start capacitors is the SoftstartRV (you can check it here) which is more than capable to reduce the initial compressor draw of 15,000 BTU RV air conditioners.

Soft start RV air conditioners are basically the ones that come shipped with the SoftstartRV included. So, if you’re looking for a new RV AC, you can get any one of them and just install the SoftstartRV (it’s surprisingly easy, actually) or just install a SoftstartRV on your existing RV AC. Hope this helps.

Should look further into Furrion Chill. They are out of box with capacitor and use two separate motors so lower initial power draw on startup so doesn’t have the need for a extra soft start system. I about to purchase the 14.5 for a second unit. there supposed to blow colder and bring temp down about 10 degrees cooler then the Coleman Mach have in front. But they are known to freeze up if not properly ducted etc.

Hello Chris, are you referring to this Furrion Chill FACR14SA-PS 14,500 BTU ? Yes, this is a superb RV air conditioner, you have described the key features pretty well. It’s undoubtedly a good choice.

Glad to jump on your post. I am about to change my air conditioning system of my Winnebago. I am thinking of converting most of the electrical appliances to solar panels, but I am confused which one will work better with solar panels. After reading your post, I think Coleman Mach 15 Review will be suitable for this purpose. Can you please give your valuable suggestion on this ?

Hello there, the true question here is if it’s possible to run an RV air conditioner on solar panels. RV AC is the most power-hungry unit in most RV; the perfect RV AC to run on solar panels would be the one with the lowest running wattage. Obviously, Coleman and Dometic are the best two brands you want to choose an RV AC from.

Now, Coleman Mach 15 has a 1580W running wattage (14.8 amps). For comparison, Dometic Brisk II has 2,800W running wattage. From this viewpoint, it’s clear that Coleman Mach 15 is a suitable choice of RV AC that works well with solar panels. Hope this helps.

The Bank of batteries, charge controller, and inverter required to store enough current to run an AC system our WAY outside of the weight and space requirements of an RV…

Yeah, it’s very impractical. Solar is much better.

Appreciate your efforts on writing such a valuable post. In my opinion, for better performance and making the RV fuel efficient, solar panels are much needed. While deciding on the best air conditioner it would be much better if you install a solar panel too.

Thank you. That’s a valuable insight, solar panels are on the rise.

As a RV tech I can tell you there’s no debate. Coleman. More reliable and quiet. I change 15 dometic ac’s for every one Coleman

I am on my 3rd GE air conditioner on my 27’ Class C by Forest River. They switched in 2022 to GE. The first one died on first outing. The second one heat pump died. It had to go back to the factory and they installed the 3rd one. Went camping last 2 days and lowest temp in RV was 88 degrees. I’m DONE with GE. I’ve decided to switch to Coleman Mach 15+. My RV is ducted with wall mount thermostat. Can I switch to Coleman? Will thermostat need to be changed? Is that an easy switch for me?

Hi David, the GE RV air conditioners have never been particularly praised. For RV cooling, Coleman and Dometic are the go-to choices. Both have thermostats; it’s much easier to go with their thermostat. If you want to use the existing thermostat, you have to wire everything correctly, and that is only if the thermostat is compatible with the RV AC unit. In short, mounting a Coleman thermostat with a Coleman unit makes the most sense. Hope this helps.

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7 Most common RV Air conditioner problems and how to fix them

• BEGINNERS GUIDE

G. Yoganand

Air Conditioning units (AC) on RV’s can be a great asset for those that spend a lot of time in them. But, on some occasions, some sort of deterioration or leakage can occur.

However, these may not be a very difficult situations to fix and it is possible for one to do it at home, provided that the right tools are used.

Troubleshooting a not working AC may not be difficult if you have basic knowledge about AC’s. Most RV’s are equipped with AC’s from atwood, coleman, dometic or advent. We recently replaced our old ac with a Dometic Brisk II Rooftop Air Conditioner (check current price and reviews on amazon). Its an awesome product, easy to install and replace.

In this article, lets explore common issues that we face with RV air conditioners and how to troublshoot them.

 Assessing the problem

When you detect that something is wrong with the Air Conditioning unit of your RV, the first thing to do is to see exactly what the problem is, in order to properly fix it. Now, it is important for you to keep in mind how old and how often your AC is used, as that can also influence the problem.

One can face varying issues with camper AC’s like “the RV ac shuts off on its own”, or the AC turns ON and OFF repeatedly or sometimes the AC wont blow cold air at all. There can be issues with the thermostat, or the capacitor in the air conditioner. So, how do you identify and repair these issues?

Read : How to install a portable Air Conditioner in a camper

AC units are complex enough and may not always be fixed by RV owners. RV AC professional becomes a must then. But, sometimes its better to understand the problem and see if you can get it fixed yourslef.

Fixing the problem

Different problems ask for different solutions. Once you have determined what is wrong with your Air Conditioner, then you can move on to fixing it. Lets check out different problems that rooftop AC on RV or travel trailer can face and how we can fix those problems.

1. The AC Does Not Turn “O N”

When you have an Air Conditioner in your RV, usually you want it to work, and so, it can be quite frustrating when it doesn’t. The first step towards fixing it is to check for battery in the remote. Although AA and AAA batteries are known to last for a very long period of time, cheaper brands can wear out sooner than expected.

Generally, changing batteries should be sufficient, but if it is not, then the next step is to check whether there is anything broken in the remote. If your remote seems to be in good condition, then a simple, yet overlooked step is to check whether the electricity in the RV or motorhome is on.

2. The Air Conditioner Blows Out Hot Air

If your AC is blowing out hot air, then the first step is to check the thermostat. If however, you set the temperature right and the AC keeps blowing out hot air, then it is possible that the problem itself is in the thermostat.

To fix this, you will need to disconnect the wires leading to the thermostat and then attach them together, bypassing the thermostat entirely. If the AC starts working properly, then it is definitely a broken thermostat, to which you will need to buy a new one.

 3. The Air Conditioning Unit Motor is Unusually Loud

AC units are usually very smooth and silent and so, it is easy to notice when it starts acting up and making a lot of noise. This noise is very likely caused by the fact that the rubber shock absorbers are not in their rightful place.

To fix this issue, you will need to remove your AC unit shroud, find the rubber shock absorber and make sure that they don’t brush up against the fan or compressor coils. Here is a detailed guide on how to quiet your rv ac .

4. There is Ice on Your Air Conditioner

Although it is not a very common issue, ice can appear on the outer part of your AC unit. The problem itself is related to the Freon levels in your AC unit, but it is a rather easy problem to fix. The first thing you need to do is check if there are any leaks.

If you can’t seem to find a leak, then all you need to do is to top off your AC’s Freon. Afterwards it should work well again, not producing that unwanted ice.

5. The Air Conditioner Has a Foul Smell

Air Conditioners don’t usually leave smells, but on rare occasions, an uncomfortable smell can appear. This can happen when the filters aren’t regularly cleaned or replaced. If you do clean the filters and the smell remains, then the problem comes from the radiator. To fix this, you will need to clean all the dirt. Doing that should fix the problem.

6. The AC doesn’t stop running

If you notice that you try to turn off your AC unit, but it keeps running, then you will have to fix it right away to prevent damaging of the machine or decrease in longevity. There are a few reasons as to why your AC unit won’t turn off. First, it could be a busted thermostat, in which case you will have to replace it with a new one. If that does not appear to be the issue, then the circuit board could be affected, and so you will have to hire a professional.

7. The Air Conditioner is Leaking

Leaking is a common problem when it comes to Air Conditioners in Recreational Vehicles. Checkout my previous post on how to fix leaking RV air conditioner . Here, it is important for you to check whether it leaks when the AC is on or when it rains, and maybe even if it leaks in both situations.

Now, Air Conditioners are sealed to the rooftop of the RV with a rubber gasket. This gasket is usually very low-maintenance and so will require little attention. Nevertheless, if you start noticing that there is a leak, then you definitely should try to fix it as soon as possible, before it becomes a long term problem.

That being said, the first step towards fixing it would be to verify if the rubber gasket is intact. To do this, you will need to check whether there is at least) half an inch of height in the gasket between the Air Conditioner and the RV itself. If the rubber gasket really is the problem, then you will need to replace it with a new one.

Here, you can either hire a qualified RV air conditioning specialist or do it yourself. If you wish to do it yourself, then you will need a few tools:

• Screwdriver
• Wire cutter
• Rubbing alcohol

Once you’ve gathered all the necessary tools, then you can move on to fixing it. We carry this Black and Decker RV toolkit (amazon link) in our rig, it has most basic tools. That’s very helpful in fixing and installing appliances on RV.

First of all, you will need to remove the outer part of your AC, also known as shroud, in order to reveal its inner parts. After this is done, you will have to locate the bolts and remove them, placing them in a bag, so that you’ll find them easily when needed. Then you should carefully remove the shroud and set it aside, where you can easily reach it later.

The next step is to remove the Air Conditioning unit from the roof, as it will be much easier to work with. Remove the screws that hold the AC unit to the rooftop of your RV and set them aside. Then, you will need to observe whether there is an electrical connector and, if there is, what sort of connection there is.

Before cutting the three wires attached, you will need to make sure that the power is disconnected. Once it is disconnected, then you can proceed to cutting the three wires with a pair of cutters. After that, removing the Air Conditioner should be pretty easy, but be careful not to scratch the paint of your RV. Also, be vary of the fact that rv roofs support weight upto certain limit and therefore be careful when climbing up there.

Once the Air Conditioning unit has been removed from the rooftop, you can pull out the old rubber gasket and throw it away. If the rubber gasket is either stuck or hard to remove, use a knife to remove it.

Make sure that you remove all of the remaining residues and clean the entire rooftop with rubbing alcohol.

Moving on to the next step: Placing the new rubber gasket. On this step, you will need to return the AC unit to its rightful place, over the new gasket and reattach it, using the right tools. You will need to reconnect the wiring harness and then reattach the shroud.

Once your work is done, you will need to verify if everything is working properly. To do this, you should use a water hose to lightly spray the AC unit while it is running, and then check if there are any leaks.

Related Reading : Consider this before buying a RV Air Conditioner

Tips For The Future

Air Conditioners are practical and useful devices, but they do need some sort of regular maintenance, in order to function properly. Whether you own a class A motorhome or a fifth wheel or a small pop up camper, air conditioner are very important while camping.

That means that if you don’t wish to buy a brand-new AC unit every few years and don’t want to spend unnecessary money on air conditioning repair specialists, that you will have to dedicate some time to make basic maintenance a part of your routine.

Maintaining your Air Conditioner can be done in four easy steps:

1 . Protect from all elements

First of all, you need to protect your AC unit from all the elements. That means you should cover it when you are not using it. There are many covers out there for the buying and they are very easy to apply to your AC unit. This might seem like an expendable step, but it will protect your AC from dust and dirt.

2. Maintain and service the fan

The second step is to oil your Air Conditioner’s fan. It will run much more smoother if it is properly oiled. Note that every AC is different, and so, you should reach for your manufacturer’s instructions, to ensure that you do it properly.

You should buy a high quality oil that is detergent-free, such as automotive motor oil, as cheap oils might wear out faster and could leave residues that could later on become a problem.

3. Inspect the AC Condenser

Step number three involves inspecting the condenser of your AC unit. This step is important, as its coils will provide you with the cooling you seek in the hot summer days.

It is important to occasionally check the condenser as it can accumulate dirt, dust and other debris (as it is exposed to the elements).

4. Air Out roof vents

This last step is a considerably important one, if you wish to keep excessive moisture away from your RV’s Air Conditioning Unit.

In order to do this, you will have to air out the roof vent. It is quite an easy step and it will help you avoid a lot of unwanted and unnecessary issues.

Related Read : How to keep your RV or travel cool without Air conditioner

Your RV Air Conditioner is an important component, but you can’t expect it to last for a lifetime, especially when left uncared for. Many of the issues that can occur in your AC unit can easily be fixed without the aid of professionals, so long as you get informed on how to fix it.

You should establish a schedule to help you know when to do a little cleaning and maintenance. The only thing you should always keep in mind is that all sorts of maintenance should be done while your AC unit is not running.

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When you buy through our links, we may earn a commission. Learn more .

Best RV AC Units Reviewed 2024 (13,500 & 15,000 BTU)

What Is The Best RV AC Unit?

RV air conditioners have changed a lot over the years and it may be time for an upgrade.

Big brand names like Dometic, Airxcel/Coleman, and Advent have been making better, more efficient, and sometimes slimmer, AC units for campers.

Related Product: Power an RV AC using a smaller generator using a Hutch Mountain Microair Easy Start (click to view on Amazon)

Newer RV air conditioners are not only better in design and function.

Did you know you can install an RV air conditioner in a normal vent cover with no ducts necessary?

You can have an extra AC in the bedroom of your travel trailer or easily install one in your van or newly converted bus.

See Also:  How To Easily Replace An RV AC With A Fan, Vent, or Skylight

I’ve researched the best RV AC units for ducted and non-ducted RVs, trailers, vans, buses, and even horse trailers.

There are 15,000 and 13,500 BTU RV air conditioners, low profile, and standard.

Whatever your RV AC need, this review has you covered.

Summary (Links to Amaz0n)

Best Overall – Dometic Brisk II RV Air Conditioner

Least Wind Resistance – Dometic Penguin II Low Profile RV AC

• Coleman Mach RV Air Conditioners
• Lowest Power Usage – ASA Electronics Advent Air RV AC
• Furrion Chill Rooftop RV Air Conditioner

Table of Contents show What Is The Best RV AC Unit? Best RV AC Units Reviews & Info 1. Dometic Brisk II RV Air Conditioner 2. Dometic Penguin II Low Profile RV AC 3. Coleman Mach RV Air Conditioners 4. ASA Electronics Advent Air RV AC 5. Furrion Chill Rooftop RV Air Conditioner What To Look For In An RV AC Unit Conclusion & My RV Air Conditioner Recommendations Frequently Asked Questions About RV Air Conditioners How can I make an RV AC run quieter? Why is the initial start up wattage higher than the running wattage on an RV AC Unit? How to run an RV AC with a small generator (Easy Start) Can RV air conditioners be recharged? Does an RV air conditioner run on propane? What causes RV air conditioners to freeze up? How to clean an RV air conditioner filter. Do I Need To Run A Dehumidifier When The RV AC Is Running?

Best Overall

Least Wind Resistance

Lowest Power Usage

Last update on 2024-04-18 / Affiliate links / Images from Amazon Product Advertising API

Best RV AC Units Reviews & Info

1. dometic brisk ii rv air conditioner.

Check Price at Amazon

Dometic is one of the biggest names in camper appliances and gear. There’s a good chance that the air conditioner on your RV is a Dometic.

The Brisk II is Dometic’s standard air conditioner for RVs, travel trailers, 5th-wheels, buses, and even vans.

If you’re replacing an older AC, the Brisk II is going to be a big upgrade.

Dometic spent 2 years redesigning its classic RV AC units.

They ended up making a more durable, lighter, quieter, smaller, and more environmentally friendly camper air conditioner.

It has 15% more airflow than the Brisk I and is 19% lighter.

Both the 13.5k BTU and the 15k BTU (click to view on Amazon) version of the Brisk II have an electrical rating of 115 V AC and are compatible with ducted or non-ducted systems.

On the high setting, they have a 350 CFM airflow which is higher than most.

They both use the universal 14″x14″ roof fit.

Almost all the vents in campers use a 14″x14″ hole as well so if you want an extra RV AC unit for your bedroom Dometic Brisk II will most likely work.

There is even a black version (click to view on Amazon) available.

Both sizes of units are 27.23″ long, 29.18″ wide, and 12.7″ tall.

See Also:  The Best Camping Gas Generators That Will Run Your RV AC

If you installing this camper air conditioner into a ducted system, use the Dometic Quick-Cool Return Air Package (click to view on Amazon) to replace the vent cover on the inside.

If you are installing a Brisk II Dometic RV AC in a non-ducted system like in a van, bus, small trailer, or camper you are going to need the compatible Dometic Non-Ducted Control Panel (click to view on Amazon) .

This ceiling panel is both a duct to blow out the cold air from the Dometic AC unit, and the control panel where you adjust the temperature and turn it on and off.

It is also compatible with the Dometic Brisk II with Heat (click to view on Amazon) if you want the AC+Heat combo.

Note that the Brisk II with heat weights significantly more than the standard Brisk II at 82 lbs.

Related:  Can You Replace A 13,500 BTU RV AC With A 15,000 BTU RV AC?

Now let’s talk about the differences between the 13,500 BTU and the 15,000 BTU Dometic Brisk II.

The 13,500 BTU Brisk II which is the smaller version weighs 72 lbs, uses 3,953 initial start-up watts, and uses 1,670 watts when running.

If you are going to run this with a generator, I suggest getting one that has at least 5,000 running watts.

The Dometic Brisk II 15,000 BTU weighs 75 lbs, uses 4,392 initial start-up watts and 1,725 watts when running.

The 15,000 BTU RV AC unit is 11% more powerful than the 13,500 BTU unit.

It can run on the same size of generator and doesn’t take that much more power or weigh much more.

If you are buying an AC for a bus, RV, travel trailer, or 5th-wheel I suggest going with the 15,000 BTU because you get more bang for your buck and it puts out more cold air.

The Dometic Brisk II RV Air Conditioner is a true classic when it comes to RV air conditioners.

Dometic makes high-quality RV accessories and its standard RV AC unit is affordable and works just like it should.

It’s perfect if you already have a Dometic unit and need a replacement that will be an upgrade.

• 13,500 & 15,000 BTU Options
• Ducted & Non-Ducted Compatible
• Lightweight
• High Profile Creates Wind Drag

2. Dometic Penguin II Low Profile RV AC

The Dometic Penguin II is a lot like the Brisk II just a much more low profile version.

It’s a fantastic option if you have a large RV or trailer with multiple AC units or you travel a lot and want to cut down on fuel costs with a more aerodynamic RV air conditioner.

It has all the benefits of the Dometic Brisk II, like the lower vibrations, quieter running, and high cold air output but with half the height.

There is a 13.5K BTU polar white and a black version (click to view on Amazon) available.

Now for the differences.

The Dometic Penguin II is short, measuring only 10 inches tall once installed, but it is longer than your average RV AC unit, measuring 40 inches long and 29 inches wide.

It’s also much heavier than the Dometic Brisk II reviewed above.

The 13,5000 version weighs 99 lbs and is for non-ducted campers only.

You need a Dometic Control Assembly (click to view on Amazon) to run it.

The electrical rating is 115V AC, initial start up watts is 3,953 with 1,731 running watts, and airflow on high is 320 CFM.

See Also:  Best Portable Quiet Inverter Generators For RV Camping

The “High Capacity” or 15,000 BTU Penguin II (click to view on Amazon) weighs 110 lbs and is both duct and non-duct compatible. The electrical rating is 120V AC.

The initial start up watts is 4,392 with 1,762 running watts.

When using it in the ducted application, it can be controlled using the Dometic Duo Therm Comfort Control 2 (click to view on Amazon) .

The airflow on high is 310 CFM.

Both versions of the Penguin II can be run with a 5,000 or higher watt generator and have the universal 14″x14″ opening for almost any RV or trailer vents.

The Dometic Penguin II Low Profile RV AC has all the things you love about Dometic RV air conditioners but with a very slim aerodynamic body.

The low profile will save you on gas mileage, especially if you have more than one.

Some people even use these on small trailers or vans because luggage racks fit over them. The only downside is how heavy they are.

• Only 10″ Tall
• Less Wind Resistance Than Standard Options
• 15K BTU Ducted & Non-Ducted Compatible
• 13.5K Non-Ducted Only

3. Coleman Mach RV Air Conditioners

Airxcel makes the Coleman Mach RV air conditioners, which are also very popular in the world of camping.

Its RV AC units are a lot like the Dometic Brisk II in power usage and style.

But they have a few additions in quality and craftsmanship that make their RV air conditioners some of the best around.

There are two size options, the Coleman Mach 15 Plus that is 15,000 BTU (linked to in the picture above). And the Coleman Mach 3 Plus, which is 13,500 btu.

The Coleman Mach 3 Plus (click to view on Amazon) is powerful enough to work as a ducted and non-ducted unit.

If you use it as a non-ducted RV AC, get the compatible Coleman Mach Non-Duct Ceiling Assembly (click to view on Amazon) .

The Mach 3 Plus has a heating element with a 5,600 BTU rating and weighs 90 lbs.

It has a 115V AC electrical rating, uses 3,500 initial start up watts, and runs on 1,695 watts.

It produces a 320 CFM airflow, weighs a reasonable 90 lbs, and has all copper tubing and gas-flux brazed joints for durability when driving down the road.

The Coleman Mach 15 Plus comes in white or black (click to view on Amazon) and also weighs 90 lbs.

It has an electrical rating of 115V AC, the initial start up watts are 3,900, and runs on 1,800 watts.

The airflow on high is 320 CFM. All the tubing is gas-flux brazed copper.

If you want an RV air conditioner and heater combo, there is a version of the Coleman Mach 15 Plus with heating and cooling capabilities (click to view on Amazon) .

Both sizes of Coleman Mach RV AC units are duct and non-duct compatible with a variety of uses, such as vans, buses, and small RVs.

If you are replacing an existing ducted RV AC with a Colman Mach, you can use the existing thermostat already on your RV or trailer.

If you are installing a brand new system, you will need a Coleman Mach Thermostat (click to view on Amazon) .

See Also:  Best Portable Power Station/Solar Generator For Camping

All the Coleman Mach camper air conditioners in this review fit in the universal 14″x14″ hole and are 42″ long, 28″ wide, and 16″ tall.

Both versions need to be run with a 5,000 watt or larger generator.

The Coleman Mach RV Air Conditioners are made with high-quality materials and put together the right way.

They will withstand the constant bumps of long dirt roads and freeways.

If you spend most of your time boondocking and driving on rough roads, the Coleman brand may stay in better shape than other RV AC brands.

• Duct & Non-Duct Compatible
• Lowest Initial Start Up Watt Usage (Both Versions)
• RV AC/Heater Combo Option

4. ASA Electronics Advent Air RV AC

ASA Electronics is another large camper air conditioner brand.

Its 13,500 btu RV AC is one of the few you can run with a 3,500 watt generator without using a soft start kit (read more about RV AC soft start kits in FAQ section below).

There is both a 15,000 BTU (click to view on Amazon) and 13,500 BTU option.

Both sizes of the Advent rooftop RV air conditioners are made with metal base pans, non-ozone depleting coolants, and silicone coated cooling fins to reduce freeze-ups.

They have a 320 cfm airflow and both are duct and non-duct compatible.

You need the ASA non-ducted ceiling assembly (click to view on Amazon) for non-duct installation.

Both versions run off of 115V AC power and fit 14.25″x14.25″ holes.

Advent’s 13,500 BTU RV air conditioner weighs 69 lbs and measures 35″ long, 30″ wide, and 13.2″ tall.

It uses 3,000 initial watts and runs on 1,450 watts. You can run it with a 3,500 watt generator.

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The 15,000 BTU RV AC unit weighs 69 lbs and measures 33.5″ long, 25.6″ wide, and 15″ tall.

It uses 4,500 initial watts and runs on 1,800 watts. You need a 5,000 watt generator to run it.

The ASA Electronics Advent Air RV AC Units are the more basic camper air conditioners, but when you need to keep your RV, trailer, van, or bus cool, they will do the job.

The 13,500 option could be the best choice for van owners because it’s the lightest RV AC unit in this review and also uses the lowest start up watts.

• Good Basic Option
• 13.5K BTU Uses Least Amount Of Watts

5. Furrion Chill Rooftop RV Air Conditioner

The Furrion Chill Rooftop RV AC units not only look different from your average camper air conditioner, they also use slightly different BTU ratings.

Instead of going with the standard 13,500 and 15,000, the Furrion Chills are 14,500 and 15,500 BTUs.

The difference is small, but it’s something to note when reviewing.

Both sizes of the Furrion RV AC units have two fans which help with better air distribution and efficiency.

Furrion advertises them to be 25% more efficient than the standard single fan RV AC’s.

For better durability and resistance against the wear and tear of RV travel, these RV AC units use Vibrationsmart and Climatesmart technology.

The Vibrationsmart helps keep everything together while driving. The Climatesmart helps the RV AC work at full capacity in extreme climates.

Like all RV AC units, the Furrion Chill goes on the roof, and reducing wind resistance to help with gas mileage is a priority.

To help with this, the units are fairly lightweight and have an aerodynamic design with a narrow nose that cuts into the wind and directs it away.

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The 14,500 BTU version (linked to above) weighs 88 lbs and measures 35 inches long, 28 inches wide, and 14 inches tall.

It uses 115V power, and runs with 3,450 starting watts, and 1,620 running watts.

The 15,500 BTU (click to view on Amazon) weighs 90 lbs and measures around 36 inches long, 28.5 inches wide, 14 inches tall.

It’s not that much larger than the 14,500 version.

It uses 115V power and runs with 3,760 watts and 1,720 running watts.

The Furrion Chills are compatible with both ducted and non-ducted systems.

For either system you will need to get the Furrion Chill Air Distribution Box (click to view on Amazon) and the Furrion Single Zone Wall Thermostat (click to view on Amazon) .

The Furrion Chill Rooftop RV Air Conditioner is going to be the best choice for a direct Furrion RV AC replacement.

It’s also a nice upgrade if you are looking to swap out your old rooftop RV AC for a newer one.

The power usage of both versions is fairly low and they aren’t as heavy as some of the other RV AC units in this review.

Furrion is a very trusted name in the camper industry and you may already have a lot of its products in your own RV or trailer.

They make good quality RV products and the Chill AC units are built to last and cool in hot climates.

• 14,500 & 15,500 BTU Options
• Made For Extra Hot Climates
• Fairly Quiet When Running
• Need To Get Inner Cover & Thermo Control
• No Single Non-Ducted Cover

What To Look For In An RV AC Unit

Total Watts Used (Starting Watts)

If you only look at the running watts used, an RV roof AC doesn’t look like it needs very much power.

But if your generator isn’t powerful enough, or you are plugged into a 15 or 20 amp outlet, you will definitely trip the breaker when you try to run it.

The reason for this is the initial or start up watts that are used to start the compressor inside the AC unit.

To get things running, an AC will use a high surge of power that is normally about double what the running watts are.

Many home electronics like microwaves and residential refrigerators do this as well, which is why campers have their own specialty appliances that are more power friendly.

Even if you are plugged into 30 or 50 amp shore power, make sure you aren’t using too many appliances when you start up the RV air conditioner because the surge watts could still trip the breaker.

If you are planning on using a generator to run your RV AC, look at the surge watts so you know how many total watts it will need to output to start the compressor.

There is a way around the start up watts you can read about in the FAQ section below.

RV AC units are a lot heavier than they look.

While the wiring and general installation process are fairly easy, getting the old unit off of the camper roof and getting the new one up safely can be a bit of a challenge.

If you don’t have the resources to lift a heavy 100 lbs rooftop air conditioner onto your camper, consider getting one of the lighter ones.

Weight could also be a factor when loading your camper. If you never use your RV AC, getting rid of that extra weight will help a lot.

Related:  How To Easily Replace An RV AC With A Fan, Vent, or Skylight

Ducted Or Non-Ducted

Many large RVs, travel trailers, and 5th-wheels come with ducted RV air conditioners.

The duct openings are the round vents you may have noticed throughout your camper’s ceiling.

Many RV AC units are compatible with ducted campers, but some are for non-ducted only.

Non-ducted RV AC units are found mostly in smaller trailers and vans.

Instead of a duct system, the air is blown out directly under the unit via an interior vent cover.

The difference between a non-ducted RV AC inside cover and a ducted one is normally the control system.

On a ducted system, the controls are normally on the thermostat on the wall.

A non-ducted system usually has the controls on the inner vent cover itself.

If you are planning on replacing the RV AC unit in your camper, finding out if it’s a ducted system may help you decide on which one is best for you.

Conclusion & My RV Air Conditioner Recommendations

Even in mild climates, campers can get really warm inside. The sun has a way of heating them up.

If you camp in a van, it can be even more difficult to stay cool on hot sunny days.

RV air conditioner units are one of the best ways to keep your RV cool, but only if you are connected to 30 amp or 50 amp power or have a high power generator.

Standard RV AC units won’t work with regular 15 or 20 amp 120V outlets (home wall outlets) because of the high initial watt usage.

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That being said, there is a way to add what’s called an easy start, sometimes referred to as a “soft start” that allows you to use an RV AC with a smaller generator.

You can read more about it in the FAQ section below.

All the RV AC units in this review are the standard rooftop kind and the options are mostly between the 13,500 and 15,000 BTU versions.

Looking at things like total power usage, weight, and wind resistance will help you choose the best style for your camper.

I have to go with the Dometic Brisk II as the best overall RV air conditioner.

The reason it beat out similar RV ACs is mostly because of the overall performance and weight.

It’s around 20 lbs lighter than the other high performance option in this review.

Saving weight not only helps when installing, but helps save on travel costs in the long run.

Another reason it’s my top pick is it has the highest airflow output in this review.

Airflow is important for cooling down RVs because they don’t normally have great insulation.

It can take a lot of initial cold air to cool them down.

Another thing I like about Dometic is the availability of replacement parts.

They have excellent customer service and because of how used their brand is you can find a lot of their parts at local dealers and RV stores.

The unit is compact and has a sleek aerodynamic design that will reduce wind drag and hold up against all kinds of weather and the sun.

If you are a snowbird or full-time RVer who travels long distances in an RV or trailer, getting an RV AC unit that doesn’t stick up very high is a good idea for a few reasons.

The biggest benefit to a low profile RV AC like the Dometic Penguin II, is saving on gas mileage.

It also reduces the risk of being too tall for structures you have to drive under, like gas station roofs and bridges.

It may not seem like a lot, but 6 inches of height can be the difference between smashing the RV AC into something and narrowly missing it.

I’ve seen several destroyed rooftop air conditioners, and it was just a few inches too tall every time.

If you are tired of worrying about the bulky RV AC on the roof and want to save a little on gas mileage, switching to a low profile RV AC will help a lot.

Lowest Power Usage (Initial & Running Watts) – ASA Electronics Advent Air RV AC

If you like having an RV AC, but you rarely camp connected to 30 or 50 amp power, consider getting a low power air conditioner like the ASA Electronics Advent 13,500 BTU.

It uses the least amount of both running watts (1,4500) and starting watts (3,000).

Most RV AC units require a 4,000 to 5,000 watt generator, but the Advent could be run with a 3,000 water generator with a high surge watt rating.

You could even use a 2,000 watt generator if you add a soft start kit.

It’s not the most powerful option, but for boondockers and dry campers, it could be the most usable option.

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Frequently Asked Questions About RV Air Conditioners

How can i make an rv ac run quieter.

RV AC units are loud. The compressor humming combined with the large, loud fan running usually results in a lot of noise.

To make things worse, everything is happening directly over your head, which makes it that much more annoying.

It’s mostly something you just have to live with if you want cold air inside your RV.

If it seems like your RV AC unit is way louder than it should be, you can check a few things to fix it.

First, make sure all the bolts and screws securing the unit to the roof are tight.

You may need to remove the inner cover to get to the main bolts. Once you’ve tightened those, make sure the inner cover is replaced and secured.

Cleaning the filter may also help reduce noise, as the fan could be working overtime to push air through a dirty filter.

Also check the fan underneath the shroud. It’s not uncommon for debris to get caught underneath the cover.

If there’s stuff inside the RV AC, the fan will move it around, which can make a lot of noise and vibrations.

There are also products out there called RV AC Silencers. They are basically an inner cover that is insulated to help reduce the noise that gets into the camper.

The last thing you can try is upgrading your RV air conditioner.

Newer fans are much quieter and a brand new fully charged RV AC probably won’t have to be run as long to fully chill your RV and less run time means less noise.

Why is the initial start up wattage higher than the running wattage on an RV AC Unit?

Camper air conditioners use compressors to cool down air and when a compressor starts up it draws a lot of power to get going.

Once it’s started, it drops back down to what is called the running wattage.

Some people are fooled when they see the wattage of an AC and think they can use a small generator to run it.

In most cases, they will need a generator that can output almost double the number of running watts to start the RV AC’s compressor.

How to run an RV AC with a small generator (Easy Start)

Now you know what initial start up watts are and why you need a large generator to run an RV air conditioner.

But there is a way to cheat the system and run an RV AC on a smaller generator by using a soft start.

With a soft start, you can use a 2000 watt Honda generator or a 3,000 watt generator of any other brand with a 121cc engine to run most 13,500 and 15,000 BTU RV air conditioners.

You can also use the soft start to run 2 RV AC units at the same time on a 30 amp power source.

The best soft start is the Hutch Mountain MicroAir Easy Start (click to view on Amazon) .

It works by using a microprocessor to deliver the perfect amount of power at a certain time to start up the air compressor.

In other words, it tricks the compressor into starting even though the initial watts are lower than it normally needs.

The soft start connects directly to your AC roof unit and is an easy installation.

For detailed instructions, check out this video by the RVgeeks.

Can RV air conditioners be recharged?

RV air conditioners are not made to be recharged.

If your AC system is leaking the refrigerant, there may be something that needs fixing or the unit will need to be replaced.

Does an RV air conditioner run on propane?

No, RV air conditioners run on electricity only, even the ones with heating elements.

What causes RV air conditioners to freeze up?

A common problem with the AC units on RVs is the coils or cooling fins freezing up.

If your AC is getting noisy, or the fan isn’t blowing out the normal amount of cold air, you may have a frozen unit.

You can check by taking off the shroud on your RV’s AC and looking for visible ice.

If your AC is frozen, turn it off immediately. Further freezing can damage it.

There are a few reasons an AC freezes: the coils are dirty, there is a lot of moisture in the air, the thermostat isn’t working correctly, the refrigerant levels are low, the air filter is clogged, or the condenser coils are dirty.

I suggest checking the air filter first because that’s the most common problem.

Once you’ve cleaned the air filter, run the fan part of the AC for a few hours.

This will defrost the coils. If the coils look dirty, clean them before turning your AC back on.

How to clean an RV air conditioner filter.

A dirty RV air conditioner filter is the most common reason for an RV AC to not be putting out enough air.

If you use your RV AC regularly, you need to check the filter at least once a month. A dirty AC filter can damage the AC or cause it to freeze up.

You can clean an RV AC filter a few times with water or even with a vacuum. Eventually, the filter will need to be replaced because even cleaning it with water and a vacuum will not be enough.

The good news is RV AC filters are easy to find and inexpensive.

Do I Need To Run A Dehumidifier When The RV AC Is Running?

I’ve written a full post answering this question. You can find it here.

Have any more questions about RV air conditioners? Leave a comment below.

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• How To Install

3 Reasons Your RV Needs an RV Air Filter

1 RV Air cleans your RV’s interior air while creating a barrier against airborne contaminants.

2 Regional allergens can make RV travelers sick, but  RV Air filters capture these allergens. 

3 Mold easily grows in RV AC units. Our RV air filters inhibit the growth of mold spores.

Find The Filter That Fits

Easy to install.

Simply replace your existing filter with your new RV Air filter.

90 Days of Continuous Use

Replace your RV Air filter after 90 days of using your A/C.

Manufactured in the USA using unwoven polyester, your RV Air filter is completely recyclable.

Clean Air Inside Your RV is Nothing To Sneeze At

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