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When your RV heats up, cool it without piecing together parts. This 13,500 Btu R32 Advent Air system includes the rooftop AC, non-ducted air distribution box with thermostat, and start capacitor for more reliable starts.
Features:
Specs:
Notes:
The AC unit includes an air distribution box with a built-in thermostat. The dial on the left controls the 3 cool settings and the 3 fan speed settings, which let you increase or decrease the airflow. If you add an electric heat strip (sold separately) to remove the chill on cold mornings, then the dial also controls the heat setting. The dial on the right allows you to set the temperature. Additionally, there are adjustable registers on the front and back of the box. These can be tilted up, down, or side-to-side for directing the air where needed. The removable air filter prevents dust and dirt from building up on the fan blades.
If your campsite or generator isn't able to draw the power you need, then you may have difficulty starting your AC unit. The included start capacitor, however, can eliminate this problem. The capacitor stores energy that will later be used to jumpstart the AC. Once the sufficient amount of power has been supplied to the AC, the compressor will start to run, and the internal relay switch will turn the start capacitor off. At the same time, the compressor will send "back voltage" to the relay switch and capacitor in order to energize them for the next startup.
Because your RV is likely already prepped and pre-wired for an AC unit, installation is simple and easy. Most AC units, including this one, are designed to fit an opening that measures 14-1/4" x 14-1/4". Depending on your roof setup, you may need to do minimal alterations. If the opening is larger than 14-3/8" x 14-3/8", you will need to install spacers between the sides of the unit and the opening's edges. If the opening is smaller than 14-1/8" x 14-1/8", you will need to enlarge the hole to fit the unit snugly inside the opening.
On the bottom of the AC, there's a thick, collapsible gasket with 6 noise-reducing foam pads. This provides support between the RV roof and AC and seals the opening to prevent water and outside air from leaking in. Because of this, the use of fresh sealant isn't required during installation.
To install the start capacitor, bolt it to the fan motor support with the included hardware and then route the wires to the run capacitor.
Once installed, the hard plastic cover on the AC can easily be removed for maintenance and cleaning.
2-Year limited warranty covers defective units when installed correctly on approved applications. The warranty does not cover units installed incorrectly. To ensure air conditioner is installed correctly, please see the questionnaire pdf below. A filled-out questionnaire is required for warranty coverage.
If you are not comfortable using a voltmeter (or removing the charge from the start capacitor), you'll want to make a service appointment with your local RV dealer to verify the installation. Print the pdfs below (warranty- questionnaire, warranty dealer information) and take them along with the RV to your local dealer. ASA does compensate dealers for warranty work as outlined in the dealer information pdf. You may be charged by the dealer for time spent investigating the installation.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
nice air conditioner kit and good value
Satisfied with the delivery. I’m in the process of installation
Thank you
Works great but louder than we wanted. Much quieter than the Coleman Mach 5 it replaced
Worked out well I had to adapt to my Popup camper works great
Works great, easy to install
Order this A/C had it installed during July! Worked great the first day! Hopefully it works for years to come. Fast shipping
I installed it on my Concourse Chinook. The roof thickness is just shy of 2 1/2" and is a fiberglass shell insulated with Styrofoam. I couldn't torque the mounting screws to the recommended 40 in-lbs without deforming the lower plate which then didn't allow the vent cover to fit properly. So I had to reduce the torque. I hope it is enough pressure to keep the seal from leaking. Everything thing else went smoothly. FYI the switch panel is capacitive, so my index finger was not enough surface area to activate the switches. I had to use my thumb. Didn't press, just touched. Before I figured it out I thought the panel was defective.
So far I'm happy with the performance. Just installed and ran it for 15 minutes. The only issue was the mounting bolts were a hair short. I have a deep roof on my 2017 Springdale 5th wheel I guess. I had to cut the mounting bolts and use barrel nuts to extend their reach as they were a couple threads short to catch. I searched everywhere and etrailer had the best price.
Works good cooled camper down from 84 to 74 in about 40 minutes. Installation was easy. Installed by myself in about 2 hours. Replaced ge unit so I didn't have to cut the hole in the roof.
This unit replaced an older Duo-Therm 13.5K BTU unit on our 1987 Avion, over the center kitchen. It was almost identical, a little narrower in length and width (the roof part). It installed easily and works great!
(I contacted Advent this morning to suggest they use additional packing material inside the shipping box to withstand rough handling during shipment.)
Unit was very easy to install. No screws to deal with. The outside unit sandwiches to this inside unit. The out side gasket comes pre installed on the unit. Price point is good. I installed it on a 2005 Jay Feather that did not have ac but was pre wired for it. The only issue I have with the unit is the touch panel is not very sensitive and feels very cheap. That's the only reason for 4 stars. But over all the unit puts out cold air and does what it's supposed to. Would buy again for a budget unit.
Install was good, wiring was confusing but I finally figured it out then when I went to install the thermostat, the connections section broke off so I had to order a replacement and do expedited shipping so I have it for my next camping trip!
My husband installed the unit on our 25' 1986 Airstream by building down to connect the inside air box. We haven't used it yet because of low temp since the installation but are confident that it will work well. We are very happy with the purchase.
Probably my fault but I thought this would run wireless. Not only did I have to figure out how to run a thermostat wire somewhere, I also had to figure out how to get 12 volt to it. And the thermostat broke trying to connect it to its base. The wire terminal blocks busted off. I had to try to figure out where to buy a replacement. After a few days I'm still not up and running waiting for parts. I think it will work nice once I can get it all together. Instructions could be better.
Unit was delivered and it was undamaged. Installed unit with no problems. I turned it on and it operated and cooled. The only problem was I couldn't adjust the thermostat, the screen lit up blue but the display would not show any data. I called Advent Air and they are sending me a new thermostat. Prompt service and very professional technicians.
Great value! Fast shipping; really like that it comes with a start capacitor. Instructions were easy to follow. Much quieter than the 30 year old unit I replaced. Have my old 94 Dutchmen Classic some new life! Only issue I had was one mounting bolt didn’t want to screw in to unit; had some rough threads. I was able to reuse the bolt from my old unit without any issues.
Outstanding product.
Thank you eTrailer for providing a replacement for our original AC unit. Although the original lasted a long time, it decided to give up on us right before our first camping trip of the summer which had a forecast of being really hot. As I frantically searched for a replacement, eTrailer came to the rescue with the Advent Air RV Air Conditioner System. Our original unit was 13.500 BTU, but we opted to upgrade to a 15,500 BTU unit which has been a great increase in cooling power.
The wiring was super easy to get figured out. And I had the entire unit swapped out and running in one evening.
One note... our existing system had a number of other thermostat wires that were not needed for this installation. In addition, there was a hot thermostat wire (12v) coming back from the furnace in the older installation. It appears that wire is not needed for the new system (based upon other online resources - but no explanation has been found as to what that was used for.) We simply cut it flush and taped the end to keep it from causing us trouble.
The system does a great job of cooling the unit and is much quieter than the original AC. We are SUPER happy with the purchase.
So far so good, a relatively easy replacement of the existing unit (2019 Dometic Duo Therm) despite being manufactured under the updated 2025 coolant standard. Was stoked that the wires were labeled, way to go Advent! You'll need four wires to connect the wall-mounted thermostat. Many of the units made prior to 2025 require 3 wires, so running a new cable might be necessary if your current one only has 3.
I have an Advent air in the bedroom and love it so made sense to get the one for the living room when the time came. It’s super easy to install but the thermostat is GARBAGE. It broke right out of the box when connecting the wires, the Bluetooth option doesn’t work and there aren’t instructions in the booklet for it and it keeps turning itself off every 24 hours leaving my RV hot. I would NOT recommend it.
I appreciate your customer service. Briele was very helpful with information on the new Advent air conditioner. I will definitely be back! Thank you!
We have cold air! The system works great but is louder than expected from wind noise due to the design on the louvers. The thermostat cycles this unit on and off very frequently instead of cooling just past set and drifting just above as the dometic system did. The instructions don't mention how to configure the foam plenum for ducted systems. You will need to buy wire nuts for 120v and crimp connectors for 12v wiring. Buy a roll of aluminum ductwork tape to seal things and to cut down on wind noise. I have not yet wired in our furnace, I assume the singular brown wire will signal a relay if I buy one?
So this is the most cost effective complete rv ac unit we could find. It was steam he that they put the wiring on the wrong side of the unit since no rv will have the circuit box on the side of the door that I know of but we made it work fairly simply and unit seems to be working
So far good. The mounting rods should be about 1/2" longer.
Can’t give honest rating yet because I can’t install it. All of the packages have not been received. The last package is still lost in UPS system. Until I receive everything I can’t install new ac unit.
So far not impressed. Once package has shown this many delays, a replacement should have been reshipped to me.
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Russell
7/6/2026
Updated review, once parts arrived after being reshipped, install was straight forward and it cools really well. Actually works better than the Dometic I was replacing. So now I give it five stars!