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  1. RV Air Conditioners
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Advent Air Low Profile RV Air Conditioner System - Single Zone - 13,500 Btu - Black - R32
Advent Air

Advent Air Low Profile RV Air Conditioner System - Single Zone - 13,500 Btu - Black - R32

Part Number: ADV52SR
In Stock
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$895.64
RV Air Conditioners
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Upgrade your RV's ducted or ductless AC with this low-profile complete system from Advent Air. New R32 refrigerant meets 2025 EPA regulations. Not backwards compatible with any AC systems from 2024 and earlier. Great Prices for the best rv air conditioners from Advent Air. Advent Air Low Profile RV Air Conditioner System - Single Zone - 13,500 Btu - Black - R32 part number ADV52SR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (26)
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Advent Air RV Air Conditioners - ADV52SR

  • Complete AC System
  • 13500 Btu
  • Ducted
  • Ductless
  • Single Zone
  • Black
  • Cool Only
  • Advent Air
  • 115V
  • Rooftop

Upgrade your RV's ducted or ductless AC with this low-profile complete system from Advent Air. New R32 refrigerant meets 2025 EPA regulations. Not backwards compatible with any AC systems from 2024 and earlier.


Features:

  • Air conditioner quickly and efficiently cools the interior of your RV or camper
    • Replaces, upgrades, or adds an air conditioner
    • Compatible with a ductless or ducted system
  • Start capacitor jumpstarts the AC unit if your campsite or generator isn't supplying enough power
  • Wall-mounted thermostat with LED digital display controls the mode, fan, and temperature settings
  • 6-Blade fan with motor provides sufficient airflow
  • Thick, collapsible gasket with foam pads provides support between the roof and AC
    • Gasket seals the opening to prevent water seepage and air leaks
    • Foam pads help reduce noise
  • Hard plastic cover protects internal components from water and debris
    • Can easily be removed for maintenance and cleaning
  • Bolt-on installation - mounting hardware not included
    • Includes wiring harness
  • Electric heat strip (ADV34QR - sold separately) can be added to remove the chill on cold or frosty mornings
  • UL and cUL certified


Specs:

  • Application: motorhomes, travel trailers, and fifth wheels
    • Not approved for school buses, food trucks, enclosed/utility trailers, or off-roading vehicles
  • Fits: roofs 2-1/2" to 5" thick
    • Opening size: 14-1/4" long x 14-1/4" wide
  • Air conditioner power draw (while running): 15 amps
  • Compressor power draw (while running): 9.9 amps
  • Fan motor power draw (while running): 2.6 amps
  • Capacity: 13,500 Btu per hour
  • Electrical rating: 110V, 60Hz
  • Air flow: 500 cubic feet/minute
  • Thermostat temperature range: 65 F to 90 F (16 C to 30 C)
  • Overall dimensions:
    • Air conditioner: 31" long x 24-15/16" wide x 10-1/8" tall
    • Air distribution box: 22-1/2" long x 21-1/2" wide x 3-1/2" tall
    • Start capacitor: 2-1/8" long x 3-5/8" deep x 6-5/16" tall
  • Refrigerant: R32, 16.9 oz
  • Wire gauge: 12 AWG
  • Air conditioner weight: 69 lbs
  • 2-Year limited warranty


Notes:

  • This unit is not backwards compatible with any AC systems from 2024 and earlier. New R32 refrigerant meets 2025 EPA regulations.
  • This unit is not compatible with any Dometic Duo Therm RV AC systems.

Air Distribution Box and Thermostat

Advent Air Air Wall ThermostatAdvent Air Air Distribution Box

The AC unit includes an air distribution box with a built-in thermostat. The thermostat has an LED digital display that lets you control the mode, fan, and temperature settings. If you add an electric heat strip (sold separately) to remove the chill on cold mornings, then the thermostat also controls the heat setting. 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.


Start Capacitor

Advent Air Start Capacitor

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.


Simple Installation

Advent Air AC Installation 13,500 BTU

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.


Advent Air AC Collapsible Gasket and Foam Pads

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.


Advent Air Warranty Coverage

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.


Warranty - Questionnaire  AA Questionnaire

Warranty - 2-Year Card  AA 2-Year Card

Warranty - Dealer Information  AA dealer info



ACRDTH25 Air Distribution Box w/ Wall-Mounted Thermostat for Advent Air RV Air Conditioners - White - R32

ACR135LPB Advent Air Low Profile RV Air Conditioner - 13,500 Btu - Black - R32

ACMSCKIT Start Capacitor for Advent Air RV Air Conditioners




California residents: click here


Ratings & Reviews

4.6

26 reviews
Upgrade your RV's ducted or ductless AC with this low-profile complete system from Advent Air. New R32 refrigerant meets 2025 EPA regulations. Not backwards compatible with any AC systems from 2024 and earlier.

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great service Brandon G did a wonderful job had no problem installing he gave me all the info I needed to get the job done is working great hope I will be able to work with him next time



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Fast shipping. Thank you.



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Bought to replace a 3 year old Domestic. Very pleased with the operation and ease of installation. I did go with an entire system and happy I did even though the unit replacement would have worked. I like the updated thermostat and the 3 adjustable vents.



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Fast delivery



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Unit came damaged, I opened it up on a Thursday and immediately called and Rochelle had a replacement to me on Saturday and installed on Sunday. Worked perfectly, the online video's are helpful. Some more detailed instructions with pictures would be a suggestion. I feel like I torqued the bolts, but it seems like it is almost excessive torque. The instructions do say the seals will crush to about a half inch which is quite a bit of tightening. Overall very happy and happy with the service from Rochelle to get the replacement fast and the call tag for the old one was called in and picked up on a Monday so all is good.



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I installed the unit my self and it work great



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Very knowledgeable about product and extremely helpful. Would use this company again. Thank you Natalie



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Just installed it seems to work fine .... I'm gonna test it out in a couple weeks



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arrived promptly and was well packaged.



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The delivery was perfect, but I haven't installed it.



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I’m not a fan of this unit at all it does not keep up like a 15k btu should !!!!



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Air conditioner seems to work well so far, and is quieter than my old domestic unit. Installation instructions could be better, I had to figure out the wiring on my own. This uses a 4 wire thermostat, my old unit used a 3 wire so I had to run an additional wire.



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Delivery was quick - two days. The AC arrived undamaged. E trailer has plenty of great installation videos which made the process smooth and uneventful. Everything performs as promised. For some reason Advent air conditioners don't come with a hard start capacitor included and they were on back order virtually everywhere online. So the 2 week plus wait for that was a bit annoying, but by no means a game changer. Basically Advent us a great unit at a great price that was easy to install diy.



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Perfect set up for my rv thanks!!


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Show More Reviews

See what our Experts say about this Advent Air RV Air Conditioners

  • Are New R32 AC Units Plug and Play With Old R410A Systems
    Hi Leah; you won't have to run new wiring but it isn't as simple as plug and play. The thermostat and air distribution box will have to be changed for both of your existing AC units. All of the old systems are set up for R410A refrigerant so complete system replacement is necessary when upgrading to the R32 systems. You will have two single zone systems with the Advent Air, at this time there is no way to turn it into a multi-zone. For the single zone systems you can choose from the following...
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  • Solution for Replacement for Discontinued Carrier AC Unit 68RV14102A
    Hey Martin! Carrier is no longer making RV AC units. Although there were some plug and play replacements available in the past, everything has switched to the new R32 refrigerant following 2025 EPA guidelines. This means a complete system replacement will be necessary. If you want an Advent Air AC you can choose from the following: -Advent Air RV Air Conditioner System - Manual - 15,000 Btu - White - R32 # ADV32SR or # ADV42SR (Black) -Advent Air RV Air Conditioner System - Manual - 13,500...
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  • Replacement AC for 2015 Forest River Vengeance Toy Hauler
    Hey Dan! Can you at least tell me who the manufacturer is? You can try to swap it out with # ACM135B which fits a 6-pin but I can't guarantee it will work. Due to compatibility issues we only recommend replacing the AC unit itself with the same model. If you can't figure out the manufacturer and what model the AC is the best thing is a complete replacement. Right now is a good time to switch since all of the old models are being replaced with the new R32 units. This means old parts are...
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  • Replacement AC System for a Dometic Penguin II 11,500 Btu Air Conditioner
    Hey Jeff, thanks for the information! To replace your Dometic Penguin II AC you'll need to replace the entire system. We've found recently that the harnesses and connectors from different manufacturer's don't work well with each other and you'll void the warranty by mixing and matching them. Additionally, the new R32 refrigerant, which is far more efficient, also makes AC components made before 2025 incompatible with the newer compliant units. For a replacement AC system, I recommend...
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  • Do You Have a Replacement AC Unit for a Dometic 641915c851c0?
    Hey Matt, thanks for the picture and information! To replace your Dometic DuoTherm 641915c851c0 Penguin II ac unit you'll need to replace the entire system. None of the newer units are compatible with the older Dometic air boxes because all of the old R410A units and their parts are being phased out. Not only will this allow you to avoid any compatibility issues, it will allow you to upgrade to an AC unit with the new R32 refrigerant. Additionally, if you find a replacement that has the...
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  • Replacement AC Unit for Coleman Mach 48254c86
    Hey Mark! We have run into a lot of compatibility issues lately so we are no longer recommending the Advent Air Replacement RV Air Conditioner for Coleman Setup # ACCOL150B as a replacement. Even though the pins will line up with the 9-pin adapter we find that more often than not a complete replacement is necessary. To avoid finding out you need a new air distribution box (ADB) and thermostat while you're in the middle of the installation we recommend getting a full system. Also, AC companies...
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  • Solution for Replacement AC for Carrier 68RV14113A
    Hey Wayne! Everything is switching to the new R32 refrigerant which isn't backwards compatible. It also means old R410A parts are disappearing so now is a good time to make the switch. Even if this wasn't the case, we stopped recommending adapters for other setups since there were too many variables and compatibility issues resulting in the need for a complete replacement unless you could find the exact same AC model to make the swap. For a complete setup I recommend checking out the new...
    view full answer...
  • Replacement AC Unit for Dometic Air Conditioner
    Hey Jen, thanks for reaching out! The AC world has been shifting a bit this past year because of a new regulation that says all ACs from here on out need to use R32 refrigerant. Because of this, a lot of the older AC units have become obsolete. The Advent Air Low Profile RV Air Conditioner # ADV89FR will still work with an older Dometic unit that uses the 6-Pin connector, and it can be paired with the Start Capacitor # ACMSCKIT for a more efficient start up. If you'd like to get a jump...
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  • Replacement AC for Dometic Penguin on 2003 Holiday Rambler
    Hi Lg; all of the AC systems switched to the R32 refrigerant this year because of the 2025 EPA regulations. Since parts aren't backwards compatible, you will need a complete replacement. Our Advent Air systems have the best price but you won't be able to get any of them quickly because it's that time of year when we're selling most of the AC stock. The next best thing right now is the Furrion Chill HE RV Air Conditioner System - Single Zone - 13,500 Btu - Black - R32 # FR25TD. However,...
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  • Replacement Air Conditioner for Dometic Brisk Air AC
    Hey Patricia! It looks like that part number is associate with the Dometic Brisk Air AC. We no longer recommend swapping just the AC unit unless you can find the same model. There have been a growing number of compatibility issues which result in the need for a complete replacement system and you don't want to find that out in the middle of your installation. Also, AC units are all switching to the new R32 refrigerant following the 2025 EPA regulations so I highly recommend upgrading....
    view full answer...
  • Replacement AC Unit for a 2003 Coachmen Somerset 5th Wheel
    Hey Bill. You won't need to replace the wiring but the Advent Air RV Air Conditioner item # ADV96SR has the new R32 refrigerant so it will not be backwards compatible with any of your existing components. You would also need to replace the thermostat and air distribution box. For this you'll want the Advent Air Low Profile RV Air Conditioner System item # ADV52SR. Do you have a furnace in your 5th wheel trailer?
    view full answer...
  • Replacement AC for Carrier Air V
    Hi Michael; the ACCAR135 is discontinued and so are the parts for it. Everything switched to R32 refrigerant this year due to the 2025 EPA regulations. Since these new systems aren't backwards compatible a complete replacement will be necessary. For an Advent Air setup you can choose from the following: --Advent Air RV Air Conditioner System - Manual - 13,500 Btu - White - R32 # ADV23SR or # ADV75SR (Black) --Advent Air RV Air Conditioner System - Single Zone - 13,500 Btu - White - R32...
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  • Availability of Plug and Play Replacement for Dometic Setup on 2008 Forest River Wildcat
    Hi Austin; all of the AC systems have moved to the new R32 refrigerant following the new 2025 EPA guidelines. These systems require complete replacement so you will need to swap out the air distribution box (ADB) and thermostat as well. Even if that wasn't the case, we no longer recommend trading out just the AC unit since there have been too many compatibility issues. You wouldn't want to swap out the AC only to have it burn up your ADB and you end up needing a complete replacement because...
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  • Replacement AC for RV With Dometic Duo Therm
    Hi Jr; the answer page you saved was written before everything was replaced with the new R32 refrigerant units for 2025 EPA compliance. Due to the changes that AC unit is no longer around. Also, we stopped recommending the plug and play replacement due to compatibility and warranty issues. The R32 units are not backwards compatible so a complete replacement will be necessary. Sticking with the previous Advent Air recommendation you can choose from the following: -Advent Air RV Air Conditioner...
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  • What are the Dimensions and Amp Draw of the Advent Air Low Profile AC Unit ADV52SR?
    Hey Pete. The Advent Air Low Profile RV Air Conditioner System item # ADV52SR measures 31" long x 24-15/16" wide x 10-1/8" tall and weighs 69 lbs. It draws 15 amps while running. What kind of combine do you have?
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