
Rooftop RV air conditioning units are a game-changer for hot summer days on the road. They can be installed on the roof of your RV, providing a cool and comfortable living space.
A rooftop RV air conditioning unit can cost anywhere from $1,000 to $5,000 or more, depending on the size and features of the unit. This can be a significant investment, but it's worth it for the convenience and comfort it provides.
Some rooftop RV air conditioning units are designed to be more energy-efficient than others, using up to 50% less energy than traditional units. This can help save you money on your electricity bill and reduce your carbon footprint.
Rooftop RV air conditioning units come in a range of sizes, from small units that can cool a single bedroom to larger units that can cool the entire RV.
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Rooftop RV Air Conditioning Units
Rooftop RV air conditioning units are a must-have for any RV owner. They provide efficient cooling performance while maximizing space utilization.
Dometic's rooftop air conditioners are a popular choice among RV owners, delivering powerful cooling capabilities, quiet operation, and energy efficiency. These units are designed to be mounted on the roof of your RV or van, offering a sleek and compact solution that doesn't sacrifice interior space.
Some key features to consider when choosing a rooftop RV air conditioner include energy efficiency, size and height profile, weight, ducted versus ductless, compatibility with flat or curved RV roofs, noise levels, shroud color, and warranty coverage.
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Rooftop
Dometic offers a range of rooftop air conditioners specifically designed for recreational vehicles.
These units are designed to be mounted on the roof of your RV or van, offering a sleek and compact solution that doesn't sacrifice interior space.
Dometic's rooftop air conditioners deliver powerful cooling capabilities, quickly bringing down the temperature inside your vehicle to a comfortable level.
They are engineered with advanced noise reduction technology, ensuring minimal disturbance while you relax or sleep.
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Dometic's rooftop air conditioners are designed to optimize energy consumption, helping you extend your battery life and minimize energy costs.
Installing a Dometic rooftop air conditioner is a straightforward process, and the compact design makes it a convenient choice for RV owners.
Dometic offers rooftop air conditioners in various sizes, including the 13.5K and 15K models, which are suitable for different RV sizes and needs.
The Dometic FreshJet 5 Series Mechanical 15K is a high-efficiency low-profile rooftop mechanical air conditioner, perfect for those who want a compact solution.
The Dometic Penguin II High Capacity with Heat Pump is a high-capacity low-profile rooftop heat pump, ideal for RV owners who need extra cooling power.
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Energy Efficiency
Energy efficiency is crucial for reducing your carbon footprint and minimizing energy costs. Look for air conditioners with energy-saving features like variable speed compressors.
These compressors optimize energy consumption without compromising cooling performance. Installing a reflective vent insulator can also help keep your cabin cooler, especially when the sun's rays penetrate through the vent.
LED lights are a great choice for your coach, as they heat up to 70 degrees, which is significantly less than incandescent bulbs. Less heat from the bulbs means less heat in the cabin, making your RV air conditioning unit more effective.
Shutting your shades when not in use can also help block the sun's rays, keeping your cabin cooler. This simple trick can make a big difference in the long run.
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Choosing the Right Unit
Choosing the right rooftop RV air conditioning unit is crucial to ensure optimal cooling and comfort during your outdoor adventures. You can find the best options from among reputable long-established brands like Dometic, Coleman/Airxcel, Furion, and Atwood.
To choose the right unit, consider the RV size and layout, climate conditions, insulation, and window coverings. A unit with insufficient cooling power may struggle to maintain a comfortable temperature, while an oversized unit may consume excess energy.
The cooling capacity of the air conditioner is measured in BTUs (British Thermal Units) and determines how effectively the unit can cool the interior of your RV. Consider choosing an air conditioner with a cooling capacity of 13,500 or 15,000 BTUs to ensure optimal cooling.
Finding the Best
Choosing the right RV air conditioner involves considering several factors to ensure optimal cooling performance and comfort during your outdoor adventures.
The climate and temperature range of the regions you plan to travel in are important factors to consider, as they can affect the size of air conditioner you need. If you frequently travel to areas with extremely high temperatures, you may need an air conditioner with a higher cooling capacity.
Dometic offers a wide range of RV air conditioners designed to meet the specific needs of recreational vehicle owners. You can choose from models like the Dometic Penguin II High Capacity with Heat Pump, which is a high-capacity low-profile rooftop heat pump suitable for ducted or non-ducted applications.
A rooftop RV air conditioner like the Dometic FreshJet 3 Series 13.5K, which features a standard profile and 13,500 BTU capacity, is also a great option. It's suitable for ducted or non-ducted applications and can provide efficient cooling performance.
Proper RV AC maintenance and regular cleaning are also crucial to keeping your unit healthy and long-lasting. This includes learning about the necessary care and maintenance needs from your RV AC owner's manual and addressing potential problems proactively.
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Choosing the Right Product Size

Choosing the right size of air conditioner for your RV is crucial to ensure effective cooling and optimal comfort during your outdoor travels.
The size and layout of your RV play a significant role in determining the appropriate air conditioner size. Larger RVs with multiple rooms or compartments may require air conditioners with higher cooling capacities to effectively cool the entire space.
Consider the square footage and specific layout of your RV when selecting the size of the air conditioner. This will help you choose the right size to maintain a comfortable indoor environment.
Climate and temperature range are also important factors to consider. If you frequently travel to areas with extremely high temperatures, you may need an air conditioner with a higher cooling capacity to handle the heat.
Here's a general guideline for choosing the right air conditioner size based on RV size:
Remember to choose an air conditioner with the appropriate cooling capacity for the size of your vehicle to ensure effective cooling and optimal comfort.
Personal Preference Comfort

Your personal preference for air conditioning comfort level can greatly impact the size of the unit you choose. Some people prefer a more powerful AC to quickly cool down, while others are okay with a smaller unit that takes longer to reach the desired temperature.
Consider the RV's size and layout, as well as the climate conditions, insulation, and window coverings, to determine the right balance of comfort and power.
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Outlet Volume: 470 CFM
The outlet volume of an RV air conditioner is a crucial factor to consider when choosing the right unit. 470 CFM is a significant airflow capacity that can make a big difference in your comfort level.
In our experience, a higher airflow capacity can help to circulate air more efficiently, reducing the noise level and ensuring a better night's sleep. The RV air conditioner we've been using has a 470 CFM air outlet volume, which has been a game-changer for us on hot summer nights.
This level of airflow can also help to cool down your RV more quickly, especially in well-insulated units. The air conditioner's ability to move a large volume of air makes it ideal for larger RVs or those with multiple occupants.
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Why Choose GE Appliances

GE Appliances RV air conditioners are built to last with corrosion-resistant coatings, heavy-duty motor support brackets, reinforced screw holes, and extensive vibration control testing.
These features ensure that your RV air conditioner will withstand the elements and provide reliable performance.
The indoor coil is designed for easy cleaning and maintenance with expanded polypropylene.
GE Appliances RV air conditioners are also quiet, making them a great choice for RV owners who value a peaceful living space.
Their reliability and efficiency make them a top pick among RV owners, who can rely on them to keep their RV cool and comfortable.
GE Appliances Installation Guide
Your GE Appliances rooftop RV air conditioner will come with all the necessary parts and pieces, and it will fit over a standard 14" x 14" hole in the top of your RV.
To start the installation process, take the pre-existing vent off the roof of your RV and seal any holes or seams. This will ensure a secure and watertight installation.
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Before proceeding, double-check all electrical requirements to ensure a safe and efficient installation. This includes checking the power cord and connections.
The installation process is relatively straightforward. Lift the A/C unit over the opening, being mindful of the mounting gasket and direction of the unit. Once secure, this is all that needs to be done outside of the RV.
Here's a summary of the installation process:
- Remove the pre-existing vent and seal any holes or seams
- Check all electrical requirements
- Lift the A/C unit over the opening and secure it
- Complete the installation from the interior of the RV, following the owner's manual carefully
The rest of the installation will be from the interior of the RV and will vary depending on whether your unit is ducted or not. If your unit is non-ducted, you will hook it up using the bolts and plug-in from the box to the air conditioner. If it is ducted, you will need to line up your ductwork and make sure your thermostat is properly connected.
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Your Usage Patterns
Your usage patterns play a significant role in determining the lifespan of your RV air conditioner. The more it runs, the sooner it will wear out or break down.

If you live in an area with extreme heat conditions, your air conditioner will be working overtime, which can significantly reduce its lifespan. Consider the climate conditions where you'll be using your RV to make an informed decision about the right unit for you.
The size and layout of your RV can also impact how often you'll need to use your air conditioner. Larger RVs with multiple rooms or compartments may require more frequent use, which can affect the unit's lifespan.
Environmental Factors
Using your RV air conditioner in hot climates for long periods can significantly shorten its lifespan. This is especially true if you don't perform regular maintenance.
Hot temperatures can cause the compressor to work harder, leading to premature wear and tear. I've seen it happen to friends who live in Arizona - their AC units lasted only a few years.
In areas with extremely dusty conditions, such as the desert Southwest, the situation can be even worse for your air conditioner. Dust can clog the unit's filters and reduce airflow, causing it to work even harder.
If you plan to use your RV air conditioner in such conditions, be sure to check and clean the filters regularly. This will help extend the unit's lifespan and keep you cool on the road.
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Maintenance and Care
Regular cleaning of your RV's air conditioner filters is crucial to prevent dust buildup. This simple task can be done regularly to keep your AC unit running efficiently.
Don't wait until your RV's air conditioner is struggling to cool the interior, start your cooling process early in the day when temperatures are still manageable.
Cleaning and inspecting your RV air conditioner components regularly, including the evaporator and condenser coils, will ensure more efficient operation. Look for cracks and worn gaskets around the unit.
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Maintenance and Care
Regular cleaning of your RV air conditioner's filters, evaporator coils, and condenser coils is crucial for efficient operation.
Cleaning the inside filters regularly will help keep your air conditioner running smoothly. At least annually, clean the AC unit's evaporator and condenser coils up on the roof, and inspect for any signs of wear or damage.
Don't wait until the inside of your RV is hot to start your cooling process - start early in the day while temps are still manageable. This will prevent your AC unit from working harder than it has to.
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Inspect your RV air conditioner components regularly for cracks and worn gaskets. Cleaning and inspecting your RV air conditioner components regularly will help extend its lifespan.
During storage or long periods of inactivity, consider covering the AC unit with a protective shroud cover to protect it from dirt and the elements.
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Love Your AC
Love Your AC is key to a cool and comfortable camping experience. The expected lifespan of a typical RV air conditioner can be anywhere from five to about 15 years.
Most RVers rely heavily on their AC systems during warm weather adventures, and it's no surprise why. With temperatures creeping into the 80's and 90's, even the triple digits, our ACs are a must-have.
To make the most of your RV AC, it's essential to understand that its lifespan depends on various factors. We can take steps to ensure our ACs last as long as possible and provide years of reliable service.
By following some simple tips and guidelines, you can be one of the coolest rigs in the campground this summer.
Troubleshooting and Repair

If you notice signs of RV air conditioner problems, it's essential to troubleshoot and possibly repair the issue promptly to avoid costly damage.
Signs of potential problems requiring troubleshooting and possible repair work include recognizing issues with your air conditioner.
Proper RV AC maintenance and regular cleaning can keep your unit healthy and functional, ensuring a long-lasting and efficient performance.
Keep in mind that regular maintenance and proactive problem-solving can save you from costly repairs or replacement, and keep your family and pets cool throughout the RVing season.
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Signs of Problems
Signs of problems with your RV air conditioner are often easy to spot. Leaking water is a common issue, so keep an eye out for moisture and water dripping from the unit or the edges of the frame seal around the roof opening.
You may need to tighten the roof mounting bolts if you notice leaks. This simple fix can resolve the problem.
Reduced Cooling Capacity
Reduced Cooling Capacity is a common issue that can make your RV feel like a sauna. Your RV air conditioner struggles to maintain your desired inside temperature, even in mildly warm weather.
A mold or mildew smell, or worse, a potentially dangerous electrical-type burning smell, can be a sign that your RV AC is working harder than it should. This is often due to reduced airflow, which can be caused by dirty or clogged air filters.
Dirty air filters can reduce airflow, causing your RV AC to work harder and leading to reduced cooling capacity. Regularly cleaning or replacing your air filters can help prevent this issue.
Reduced cooling capacity can also be a sign of a more serious problem, such as ice buildup on the evaporator coils.
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Not Running? Try This
If your RV rooftop air conditioner isn't running, start by checking your power. Plug it in, check the breakers, and make sure nothing tripped.
It takes 30 amps to run one RV rooftop air conditioner, which means you'll need to cut out running your water heater, microwave, and fridge when the AC is running to avoid tripping the breaker.
If you're running on 30 amps, be aware that you'll need a generator or a power management system to run multiple air conditioners safely.
A surge guard can be a useful addition to your RV electrical setup, as it will cut power when it signals low voltage and protect your air conditioner and electrical equipment.
Running multiple air conditioners at once can be a recipe for disaster, so it's wise to quit running them all at the same time to avoid wrecking the entire air conditioning unit.
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Check DC Power and Thermostats
Your RV rooftop air conditioner still not working? Let's check the DC power and thermostats first.
Start by checking your 12-volt DC power, as your air conditioner is a 110 to 120-volt appliance but the 12-volt DC powers the thermostat.
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Check the fuse box to make sure it's not blown.
A blown fuse can be a simple fix, but it's essential to check it first.
Make sure your digital thermostat is lighting up green, or if you have an analogue one, remove the cover to check it with a meter.
If there's power running, it'll get up to the right temperature, so keep an eye on that.
If none of these checks solve the problem, we can move on to other possible causes.
But first, let's make sure we've ruled out these easy fixes!
Product Quality and Durability
You want to invest in a rooftop RV air conditioner that will last you for years to come. The quality of the unit is crucial, and as the saying goes, "you get what you pay for". Good quality appliances from reputable manufacturers, like Dometic, Coleman/Airxcel, Furion, and Atwood, will typically last longer.
When choosing a unit, consider its energy efficiency and size to ensure it's suitable for your RV space. A unit with the right BTU cooling capacity rating, such as 13,500 or 15,000 BTUs, is essential to effectively cool your RV.
A durable unit will also withstand various environmental conditions, like corrosion and vibration. GE Appliances RV rooftop air conditioners, for example, are built with corrosion-resistant coatings and heavy-duty motor support brackets. They also undergo extensive vibration control testing to ensure they can handle the rigors of the road.
Quality
Quality is crucial when it comes to RV air conditioners, and you get what you pay for. Appliances of good quality, from reputable manufacturers, will typically last longer.
A good quality RV air conditioner is an important part of your overall RVing experiences. You want to go with units that have excellent long-time user reviews.
GE Appliances RV rooftop air conditioners are built to last with corrosion-resistant coatings. These units are designed to withstand the elements and harsh conditions of RVing.
The rooftop GE RV Air Conditioner is also quiet and reliable, making it a great choice for RVers who value a peaceful and comfortable experience.
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How to Choose a Durable RV

When buying a new RV, you want to choose a durable one that will withstand the test of time. Consider brands like Dometic, Coleman/Airxcel, Furion, and Atwood, which are known for their high-quality and long-lasting products.
These reputable brands have established themselves in the industry by producing top-notch RVs that can handle the rigors of travel and outdoor living. Their products are built to last, and many owners swear by their durability.
To ensure you get a durable RV, choose a model from one of these top brands. They have a proven track record of producing reliable and long-lasting RVs.
Here are some key factors to consider when choosing a durable RV:
By choosing a reputable brand and considering factors like size, weight, and energy efficiency, you can find a durable RV that will meet your needs and provide years of trouble-free service.
What Affects Lifespan?
Your RV's air conditioner lifespan is influenced by various factors.
The quality of your RV's air conditioner is a major factor in determining its lifespan.
Proper maintenance can extend the lifespan of your RV's air conditioner.
Factors such as how long you use your RV's air conditioner and how well you maintain it can impact its lifespan.
The lifespan of your RV's air conditioner will vary with many circumstances such as how long you use it.
Poor installation can significantly reduce the lifespan of your RV's air conditioner.
Regular cleaning and filter replacement can help maintain your RV's air conditioner's performance and extend its lifespan.
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Additional Features
Dometic's RV air conditioners come with a range of additional features that can enhance your comfort and convenience.
Remote control operation is a convenient feature that allows you to adjust the temperature and airflow from anywhere inside your RV.
Programmable timers are also available, enabling you to schedule the air conditioner to turn on and off at specific times.
Adjustable airflow direction is a feature that allows you to direct the airflow where you need it most.
Air purification systems are also available, which can help remove impurities and allergens from the air inside your RV.
These features can make a big difference in your comfort and enjoyment while on the road.
Frequently Asked Questions
What is the best rooftop AC unit?
The most energy-efficient rooftop AC units on the market have SEER ratings of 15-16, with top models like the Trane XL16c and Lennox LRP16GE offering up to 16 SEER. For optimal performance, consider units with high SEER ratings and read more about their features and specifications.
How to cool an RV in 100 degree weather?
Stay cool in your RV by seeking shade, using your air conditioning efficiently, and increasing air flow to beat the heat in 100-degree weather. Learn more about our expert tips to keep your RV comfortable and safe in extreme temperatures
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