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Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor - 13,500 Btu - Black

Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor - 13,500 Btu - Black

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Our Price: $617.08
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ACDOM135B - 13500 Btu Advent Air A/C Unit Only
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Product Expert Kathleen M

Is this right for you? Product Expert Kathleen M says:

Yes, if you:

  • Already have an existing Dometic AC that has exhausted its lifespan, but the thermostat and air distribution box work just fine
  • Have rooms or partitions within your RV and need as much airflow as possible to keep the air moving through, especially if it is ducted
  • Want your AC on the roof to match your RV's dark exterior

No, if you:

  • Are replacing a vent or sky light to add an AC where one didn’t exist before
  • Camp in VERY hot or humid areas and would be better off with the highest cooling power output (BTUs)
This AC unit replaces the Dometic air conditioner on your RV or camper. AC plugs directly into your Dometic setup to work with your existing air distribution box. Start capacitor jumpstarts AC when camp power or generator power isn't enough. Lowest Prices for the best rv air conditioners from Advent Air. Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor - 13,500 Btu - Black part number ACDOM135B can be ordered online at etrailer.com or call 1-636-306-4830 for expert service.
  • All Info
  • Reviews (482)
  • Q & A (0)
  • Photos
  • Why etrailer?

Advent Air RV Air Conditioners

  • Dometic
  • A/C Unit Only
  • 13500 Btu
  • Cool Only
  • Black
  • With Start Capacitor
  • Advent Air
  • Ducted
  • Ductless

This AC unit replaces the Dometic air conditioner on your RV or camper. AC plugs directly into your Dometic setup to work with your existing air distribution box. Start capacitor jumpstarts AC when camp power or generator power isn't enough.


Features:

  • Air conditioner replaces your Dometic rooftop AC to quickly and efficiently cool the interior of your RV or camper
    • Plugs directly into your Dometic setup to work with your existing air distribution box and thermostat
    • Compatible with a ductless or ducted system
  • 6-Blade fan with motor provides sufficient airflow
  • Start capacitor jumpstarts the AC when a campsite or generator doesn't provide enough power
    • Stores energy that will later be used for the next startup
  • Thick, collapsible gasket with 6 foam pads provide support between RV roof and air conditioner
    • Gasket seals the opening to prevent water seepage and air leaks
    • Foam pads help reduce noise
  • Black, hard plastic cover protects internal components from water and debris
    • Can easily be removed for maintenance and cleaning
  • Bolt-on installation
    • Includes wiring harness and mounting hardware
  • UL and cUL certified


Specs:

  • 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
  • Cooling capacity: 13,500 Btu per hour
  • Electrical rating: 115V, 60Hz
  • Air flow: 500 cubic feet/minute
  • Overall dimensions:
    • Air conditioner: 31-3/16" long x 24-7/8" wide x 12-13/16" tall
    • Start capacitor: 2-1/8" long x 3-5/8" deep x 6-5/16" tall
  • Refrigerant: R410a, 16.9 oz
  • Wire gauge: 12 AWG
  • Air conditioner weight: 68 lbs
  • 2-Year warranty


Advent Air Dometic Plug-In

This AC unit from Advent Air is designed to replace the old or broken Dometic air conditioner on your RV or camper. It plugs directly into your Dometic setup and works seamlessly with your existing, in-good-working-order Dometic air distribution box and thermostat. This eliminates the need of an adapter wiring kit, which saves you time and effort. The AC has a powerful fan and motor that provides a steady stream of air to efficiently cool the inside of your RV on a hot or muggy day. The included start capacitor will help jumpstart the AC. This beneficial upgrade provides the AC a boost when shore power or generator power isn't enough to start it. And everything you need in order to replace your AC unit is included, which makes installation simple and easy.


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

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.



ACM135B Advent Air Rooftop RV Air Conditioner - 13,500 Btu - Black

ACMSCKIT Advent Air Start Capacitor for RV Air Conditioners

Item # ACDOM135B




California residents: click here



Customer Reviews

Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor - 13,500 Btu - Black - ACDOM135B

Average Customer Rating:  4.6 out of 5 stars   (481 Customer Reviews)

This AC unit replaces the Dometic air conditioner on your RV or camper. AC plugs directly into your Dometic setup to work with your existing air distribution box. Start capacitor jumpstarts AC when camp power or generator power isn't enough.

by:

Working well so far - no issues. Just make sure the start capacitor wires aren't hitting the blower fan when you install. That was my mistake.




by:

It was installed as a second unit with manual controls and heater upgrade. It has performed great, no complaints. Love having a cool trailer on just minutes.


Comments
Very satisfied with the quality and performance. I use a 2400 watt generator and the AC unit starts up with ease. I installed the hard start kit. The heat setting takes the chill off, when I have shore power. I’m glad I installed the heating kit.kp
Brian - 05/03/2022


by:

Works great. Had some issues with shipping. It was damaged but the folks at etrailer took care of my needs very quickly and made it right




by:

In a three year period I'd replaced two Dometic HVAC units on my 2016 Forest River TT that I'd purchased new because they'd completely stopped producing cold air during the hottest months of each summer. I google searched for an exact replacement unit and came across Advent Air, it truly was an exact replacement and fit perfectly without any modifications, the price of the unit was appealing as well. It's been an year now and it has performed as well as an HVAC is expected to perform and is also running at half the noise level the Dometic was. I can actually hear my television now while it's running. Great product so far!!!




by:




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


This was supposed to be a replacement for a Jayco 19h 2008 hybrid. I was told it would work fine with my ceiling control with the addition of a converter cable. This is a stretch at best. The holes for fastening the unit are 13 1/2 inches between. The holes in my old mounting plate are 12 1/2 inches. Thinking I needed to use the Advent ceiling unit, I ordered that. When I looked at that there was no way to make that fit. Back to using my old ceiling unit. Drilled new holes and then had to figure out air defection as the Advent doesn't match my old ceiling unit. Had to reroute the wires and build baffles out of foam and alum vent tape. Also installed start capacitor to make sure my trailer would handle the new unit. Had to call Advent to verify wiring connection for start capacitor. You should be creative and patient to install this unit yourself.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Great A.C. and perfect replacement for my Dometic unit that was 21 years old. Easy installation with all of the foam sealant in the right areas.
I would given etrailer five stars but there's two items they can improve on.
1. Better package and bubble wrap for the new roof unit. My cover was cracked on one side due to no secure wrapping.
2. A basic diagram of where to attach the old coolant coil sensor.
Last but not least Etrailer did it again with a affordable product and fast shipping. I'm in South Florida and my travel trailer is 60° in open sun with an out temperature of 95°.
Thanks guys for your outstanding customer service.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Just finished installing this unit and it truly is a direct replacement for Dometic. I feel I got a fair price and shipping was fast. Taking off 1 star because the unit did arrive with a small dent along the base but this did not affect the install or function. Also, there was no install or warranty information included with the unit. Since this is the 2nd time I've had to replace the A/C on my RV, warranty info is kinda important.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


The unit is smaller than the unit I replaced and the fit was perfect at the access way. The Advent was plug and play with the Dometic harness and lower bezel. I couldn't be happier I had to look up torque specs for the gasket, as there were no instructions, but it was just a Google search (33-35 inch pounds)




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Advent 15000 BTU AC. Best price I could find on the internet or anywhere else for that matter. I received the unit 4 days earlier than expected which was a good thing. The installation, including getting it on the roof, was about 30 minutes. The Advent was a direct replacement for a 4/5-year-old Dometic Brisk II that quit cooling. The Advent is slightly quitter that the Dometic but of course that is only my subjective opinion. On low speed you can continue an intelligible conversation. The Advent has been installed 3 days now and it is working great.
I have purchased from etrailer in the past and have been completely satisfied. There are three concern/issues that need to be mention/address. (1) Packaging could have been better. The box it came in looked like it had been rolling around in the back of a UPS truck. (2) There was no installation instruction or owner’s manual whatsoever that came with the unit. I pulled mine off the internet. (3) the unit had minor damage on the base or main frame of the unit (I hope it does not cause issue later). The damage was not so bad as to cause forgoing the installation. Since the shipping box did not show any noticeable damage at the location of the damage on the unit, I can only assume that it was shipped by etrailer that way which is a QC issue.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Finally received a month after I ordered the unit with that being said the installation wasn’t too bad however I had to do a little modification due to the 7 inch bolts being a quarter inch shy for my trailer but once I’ve got that figured out the rest was smooth sailing. So we’ll see what happens next Summer as the heat is now winding down.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Unit works great. Took an hour to change out. Hooked up as advertised. We replaced a Coleman Mach 3 13,500 btu for the 15,000. Puts out a lot of CFM.

Unfortunately, UPS shipping damage occurred in transit. Really nothing you can do about them being careless with your packages.


Comments
I hate to see this kind of damage! I passed your information along to customer service for them to better assist you.
-- Etrailer Expert Katrina B - 04/13/2022


by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


simple install, make sure to prep around ducting with foil tape to seal good and decrease loss of cool air escaping. Plug and play install, blows harder than the dometic it replaced on my motorhome.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


I upgraded from my Dometic 13500 Brisk 2 to the Advent 15000. The installation was flawless, but, the installation is not entirely seamless.
My Dometic had a two speed fan while the Advent 15000 has a three speed fan. I believe that the Advent is running on the medium and low speed. The unit cannot defeat the Florida heat. At 99F the unit only dropped the temp 8 degrees. The air at the registers seem to be cold, but, the airflow was not what I expected from the 15000 unit. I’m hoping that the Advent ACTH12 thermostat will work. It doesn’t appear that etrailer sells them without the AC cover. Without the initial high airflow to defeat the heat, this unit will not make muster in the south.
To be fair, I’m giving a 5 for the customer service and swift shipping. All the guys got me this far, they are terrific. I submitted a question for the additional information needed to get it right. I checked all the QA&A and comments for anyone that has experienced my problem. A couple fellows upgraded but said it was all good without mentioning the three speed difference. My guess is that they live in a cooler climate or don’t realize the 15000 has three speeds.
If I get the Advent thermostat and it solves my problem I will readdress my comment and also update the Q&A page.


Comments
Good:It’s still working great over this summer in 90+ degree weather. Bad: Heavy rain began entering the coach past the AC seal last month. Tightening up the four mounts had no help to the point of distorting the interior ceiling. I went to Ace Hardware and purchased 4 flat metal angle supports, three inches long on each side of the angle and placed them between the lip of the unit and ceiling to give additional strength to the ceiling. It was genius on my part. I was able to tighten the mounts more and stop the leak without distorting the ceiling and they were the perfect width and do not show. The seal had taken a set at the original compression point and I am afraid I will be required to retighten again in the future. Ugly: At some point soon I think the seal will need replacing and when I cross that bridge I hope there is one available and of better quality. The alternative may be using a recommended sealant between the seal and roof which will require loosening the mounts to wedges to open a space to allow sealant to flow between the seal and roof. Sealing on initial installation with sealant may not be a good idea by adding additional work a year or so after installation while on the road somewhere.
Bryan - 08/20/2022
Yes the thermometer and plenum was the answer. The unit now operates as advertised and does well in bringing down and maintaining a cooler temperature. Happy Campers
Bryan - 08/20/2022


by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Great service just received the product. However the product was slightly damaged in shipment. Have pictures where do I send them? No damage to shipping box.


Comments
Thank you for letting us know. I have sent your information along to our customer service team.
-- Etrailer Expert Brooke M - 05/02/2022


by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Easy to install, straight swap for the old unit. It provided very good airflow to the front and back of the RV and cooled well also.
Actually didn't require the start capacitor to work with our Onan generator.
Product arrived with cosmetic damage.
Prepare the roof area and clear all debris (1)
Situate the upper unit and offer up the internal frame (2) Adjust position slightly if needed.
Carefully select the internal steel duct height to suit your roof thickness - shown in (3) un-compresssed.
Cinch down all four mounting bolts evenly to compress the foam gasket sufficiently without over-tightening (4)




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Now don’t get me wrong; the air conditioner works great and cools perfectly! But this is supposed to be a straight hookup to dometic systems… yeah NO! Maybe dometic 1990’s but not 2010+ Dometic heat and cooling systems. The wiring is for old school dometic and we had to remove the control box off the original AC and install it on this new ac unit cutting all connects at the blower motor and compressor and wiring it into the old control board!!! This is insane…. Might as well of sent us a blower motor and compressor in a box all disassembled. If your dometic system is wired with telephone Jack’s DO NOT BUY THIS!!!


Comments
Yes, this is designed to replace the old or broken Dometic air conditioner on your RV or camper. It plugs directly into your Dometic setup and works seamlessly with your existing, in-good-working-order Dometic air distribution box and thermostat. This eliminates the need of an adapter wiring kit, which saves you time and effort.
-- Etrailer Expert Sierra K - 07/19/2022


by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


After an incident with a tree branch, our factory ac (coleman) needed to be replaced. I went with the Advent over the coleman for price and reviews, and it works great. I have never replaced an AC unit before, but a couple of youtube videos and about 45 minutes of work and we were back in business.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


So far so good. Unit installed in a couple hours AB’s is working well. Dometic duotherm failed so I ordered this one to replace it. Easy to remove old one and relatively easy to install new one.

The two challenges were getting the big heavy box on the roof and aligning the bolt holes between the air handler and the new a/c unit. I eventually got these done myself but would highly recommend you get a helper for those two portions of the job.

Another tip would be to run a screw into the ceiling on two corners of the air handler before you lift the old unit off. Mine wanted to fall out of the ceiling once I got roof unit off; that meant I had to try to hold the air handler up while repositioning the air conditioner from below by reaching up through the air handler. Had I secured air handler first it would have been much easier.

Install of the start capacitor was easy. Note: the start capacitor has two black wires that look the same except for the connectors are *slightly* different. The diagram says put black wire on common and then put black wire on the other terminal. And I couldn’t tell from the picture which connector went on each. I called an electrician friend and he says capacitors don’t have polarity, in other words it doesn’t matter which of the two wires goes to which terminal. I took his advice and all seems well.

One installed the unit itself puts out nice cold air. It’s a smaller footprint than my 15 year old dometic, but the past that mattered lined up perfectly. I think it’s about an inch taller also, maybe a little less. Just something to be aware of if you’re pushing the height limit on overpasses already :-)




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Everything worked great except my old mounting bolts were 5/16 and these units require 1/4 so would recommend getting the bolts before installation 1/4 x7 are needed. But otherwise they work great! Love them!




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


I received this unit very quickly. Communication was outstanding. I knew when it was shipped and when to expect it.
Installation was very easy. 4 bolts and plug in wiring harness. The most difficult task was to get the unit on to the [email protected]!




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


The AC blew up before I had a chance to install the Start Capacitor, I had to buy a Furrion kit from [online].. Not sure what happened the AC had a little cosmetic damage when I received it, the cover had a small crack and the metal base had a little dent, I was able to fix with a little tape and pull the dent out by hand. With all the hassle of getting a SC delivered being full time RVrs it wasn't worth the time to exchange it, well it literally blew up after about 1 1/2 months use.


Comments
Wow, I am sorry to hear about what happened with the AC unit. It definitely should not have blown up like that. Our customer service team will reach out to assist you.
-- Etrailer Expert Jenny N - 06/20/2022


by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Easy installation of replacement of Carrier rooftop unit . Carrier controls were plug and play . Unit not quite as quiet but cooled 31 ft Domani TT to 72 degrees in 105 degree Texas weather.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


The first unit that I got failed within two weeks of service So far this new unit is working. The staff at etrailer has been great to deal with they were able to get this new unit shipped ASAP If I wasn't working though warranty with ASA I don't believe I would have purchased another Advent. So far the process with ASA has not been bad three phone calls and hold time of only about an hour and a half and countless emails and I'm thankful that I was able to get in contact with a person that has been a lot of help. So we will see if I get reimbursed for the falty unit.




by:

Review from a similar Advent Air AC Unit in RV Air Conditioners


Took 3 months to receive the ac unit when it finally arrived it did not have the mounting screws, carrier wire harness adapter or the start capacitor with it.. had to deal with constant emailing to get the unit shipped to me ordered on 4/29/22 didn't receive until 7/28/22 and as of today 8/02/22 I still have not received all the missing parts..oh and the box it arrived in was beat to [crap] I recommend going with another company other than etrailer



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  • Recommended For Best Replacement For Dometic Duo-Therm 620426.321 & Heat Strip
    For the simplest and most straight forward 13.5K btu replacement of your current Dometic air conditioner we have several options. Each of these AC's plug directly into your Dometic setup to work with your existing air distribution box. The Advent Air RV Air Conditioner, # ACM135 is a 13,500 Btu unit that comes in white cover. The # ACM135B is the same unit with a black cover. We also have these same units configured with a start capacitor, # ACDOM135 in white and # ACDOM135B for black. All...
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  • Replacement for 2004 Damon Daybreaker Carrier Air V 13500 btu
    Try resetting the Carrier internal computer by disconnecting the 12 volt power source for a 1-1/2 minutes. This may clear the computer from what caused it to quit working correctly. Many users report that the AC will then work for some amount of time until the existing problem that caused the computer to say STOP happens again. With all power off, you can remove the rooftop shroud and ensure that parts are clean up there, especially the coils. Over heating due to dirty coils could be...
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  • Recommended Rooftop Condenser Unit Replacement For A 1999 Monaco Diplomat Class A Motorhome
    Since you have a Dometic AC system in your 1999 Monaco Diplomat Class A motorhome the Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor - 13,500 Btu - Black # ACDOM135B will be a plug and play replacement for your rooftop unit. This means that you'll only be swapping out the condenser unit on the roof of your motorhome and will be using the included wiring adapter to plug right back into the system the same way your current unit does, retaining use of your...
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  • Difference Between the Advent Air RV Air Conditioner # ACDOM135B and # ACM135B
    The only difference between the Advent Air Replacement Rooftop RV Air Conditioner # ACDOM135B and the part # ACM135B is that the first one includes the Start Capacitor # ACMSCKIT. Other than that the wiring on these units are the exact same. The Dometic setup simply means that this is compatible with your current setup (ceiling vent and thermostat) if you are replacing a Dometic rooftop AC unit. If you are replacing a different rooftop AC unit please let me know and I can see if we have...
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  • 13,500 Btu Advent Air RV Air Conditioner to Replace Dometic Unit
    While we do not have the configuration you linked to currently available, we do have an option in the 13,500 Btu Advent Air RV Air Conditioner, # ACM135B. This Advent Air AC unit works with your existing, in good working order, Dometic air distribution box and thermostat and is delivered with everything you need to replace your current Dometic. This is the same unit as you linked to without the start capacitor but that can be ordered separately and connected at time of install using part...
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  • Advent Air Conditioner to Replace Dometic Air Conditioner
    This Advent Air Replacement Rooftop RV Air Conditioner part # ACDOM135B replaces an existing Dometic Air Conditioner. The unit plugs directly into where your Dometic setup was installed. You do not need anything else for installation as long as your current air conditioner is a Dometic Air conditioner setup. You use the thermostat and ceiling vent of the Dometic setup. I recommend Advent Air part # ACM135BC if you are not replacing your existing air conditioner. This Advent Air Conditioner...
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  • Replacement Roof AC For 1995 Sunline Solaris 1850 With Dometic Duo-Therm
    The Duo-Therm 57912 is Dometic manufactured air conditioning unit. We have a series of Advent Air Replacement RV AC units specifically for the Dometic Setup. My recommendation is the 15 K Btu Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor, # ACDOM150. This AC unit from Advent Air is designed to replace the old or broken Dometic air conditioner on your RV or camper. It plugs directly into your Dometic setup and works seamlessly with your existing, in-good-working-order...
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  • Replacement AC Unit for 1994 National RV Motorhome with Dual AC Units
    The Advent Air Replacement Rooftop RV Air Conditioner for Dometic Setup - 15,000 Btu - Black # ACDOM150B is what you will want as a replacement because it comes with the start capacitor so you will be able to run both units. The start power is usually what keeps people from running both units, but if you replace both units with these then you won't have any issue. When you are able to run both units, you can absolutely go with the 13,500 btu unit instead. I recommend the Advent Air...
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Info for this part was:

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