RV Air Conditioner and Return Vent
In another article, I wrote about the rv air conditioner and how you could locate it on the external part of the RV. I also had an article with a picture of the roof with the air conditioner clearly showing.
In this article, you can see the INSIDE of the RV, looking up at the ceiling, where the rv air conditioner is located along with its return vent.
On almost every RV with an air conditioner, you’ll see a very large rectangular GRID on the roof of your RV. On every one of these, the air conditioner return vent is located there. Why? Well for one reason, it is the direct input to the air conditioner and the return vents are located so that the conditioners can get air. You can’t very well get outside air since the air conditioner has to suck in and cool the air and the outside air would be too hot. The idea would be that you cool air that is already cooler so your air conditioner doesn’t have to work so hard. Since the air conditioner blows air, it stands to reason that it has to suck in air from somewhere so that it has air to cool and blow out. So that is why you need a air return vent.
Some RV air conditioners will also just blow their chilled or cooled air out from a vent right next to the air return vent. The advantage to this is that is is cheap and simple – the RV manufacturer doesn’t have to put in an ductwork. Another advantage is that the air conditioner has to work less since it doesn’t have to push air into ductwork. The disadvantage is that the cool air is located mostly in one spot.
Our Open Range 399BHS has ductwork. Honestly, I would recommend against an RV with ductwork and encourage you to get one that has a straight dump out. In our Open Range, the ducts are very small and I think make it very difficult to route the air efficiently. With two $20 fans from Walmart you could just as effectively get the cool air where you want it – with the added advantage that air would always be moving on those warm days.
I thought I would list just a small handful of RV air conditioners from Amazon (disclosure) for your convenience.
- Brisk Air Dometic Duo Therm RV Air Conditioner Shroud (New Style)
- Dometic A/C Brisk Air Roof Top Air Conditioner 13,500 BTU Upper Unit Polar White 457915.XX1C0
- Dometic Brisk Air 457915 13,500 BTU Upper Unit Polar White RV Rooftop A/C Unit
- Dometic A/C Penguin II 13,500 BTU Roof Top Air Conditioner Upper Unit White 640315CXX1C0
- RV Motorhome Solar Battery 12-Volt Evaporative Swamp Air Conditioning Cooler
CURRENT eBay listings for RV Air Conditioner items:
- NOS DANHARD CEILING MOUNT AIR CONDITIONER EVAPORATOR A/C VINTAGE VAN RV 00890-CM
- CARRIER 99-00469-00 INSIDE ASSEMBLY FOR 68RV0010AA AIR V RV AIR CONDITIONER
- NEW RV POP UP CAMPER EXTERIOR AIR CONDITIONER POWER CORD OVER 15' LONG
- Adco RV Air Conditioner Cover, Coleman 8000 Series 3026
- Dometic 3314471.003 Penguin II Black Replacement RV Air Conditioner Shroud – AC
- Dometic 3314471.001 Penguin II Polar White Replacement RV Air Conditioner Shroud
- Coleman 48203C969 13,500 BTU Black Mach 3 Plus RV Air Conditioner AC
- Dometic 3101597.007 RV Air Conditioner Module Board
- Carrier 99-00469-00 Inside Assembly for 68RV0010AA Air V RV Air Conditioner – AC
- Coleman 9330F715 White RV Air Conditioner Air Distribution Box – AC ADB
- Carrier 99-00469-22 RV Air Conditioner Ducted Ceiling Assembly
- Carrier 08-50012-00 RV Air Conditioner Coil Condensor Assembly
- Advent AC135HP 13,500 BTU White RV Air Conditioner with Heat Pump – AC
- Advent AC150HP 15,000 BTU White RV Air Conditioner with Heat Pump – AC
- Coleman Rv Air Conditioner Unit.
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