9/23/2023 0 Comments Rv airflow systems amazonSuch is the theory on ducted RV air conditioners. However, these are usually only available on luxury 5th wheels and motorhomes. If you’re lucky enough to have an under-floor or mini split air conditioner, then the ducts may be run through your floor. Low-profile return shrouds eliminate the 3” thick direct-vent distribution boxes on which you can easily wack your head!.Louvered vent covers allow you to create cooling “zones” within your RV.Better distribution eliminates pockets of cold air, which can confuse your thermostat.The ducts evenly distribute the cold air throughout the interior, even with doors closed.So cold air blows out one side of the room and warm air gets sucked in the other side. On paper, a ducted RV air conditioner is more efficient because the return vents are separate from the supply vents. Unfortunately … reality doesn’t always match up to theory. You would think, as an RV engineer, I would know the answer to this question, wouldn’t you? Is a Ducted RV Air Conditioner More Energy-Efficient? Or you can look into aftermarket products like the RV A/C Silencer. The RV aftermarket actually does a lot of business selling quieter air conditioners. That’s way beyond comfortable for interior noise levels, which is 50-55 dB. It’s not uncommon for a non-ducted RV air conditioner to reach 65-75 dB on High. Some RV air conditioners come with dB ratings, but actual sound volume varies widely depending on the installation itself! For instance, an air conditioner in a small room surrounded by hard surfaces will sound much louder than that same air conditioner in a large room with carpet and cushions. See my guide to troubleshooting RV rooftop air conditioners for more hints and information. Rigid compressor mounts (or loose vibration isolators)Īnd that’s just on new A/Cs! Old air conditioners can suffer from loose vibration isolaters, bad bearings, dirty filters, etc.Example of a ducted systemĪs I said, a lot of noise comes from turbulent air movement. A ducted system distributes the cold air through the roof or floor ducts.A non-ducted RV air conditioner simply blows cold air directly out of the unit.It’s all thanks to the ducts, plenums, registers, vents, and other HVAC magic that directs and controls the flow of air. That’s why a single air conditioning unit can cool your entire 2-story house. Returns are separated from vents, which promotes better air circulation and distribution. Meanwhile, a central air conditioner splits up the system via ducts. Come May, my wife disappeared into the bedroom, and I didn’t see her again until September. In one rental house, I had only a single thru-the-wall air conditioner in the bedroom, which was shut off from the rest of the house by an L-shaped hallway. It just recycles the air in the room around it. So it doesn’t move around the cold air very much. It pulls in warm air in the same spot it blows out cold air. You can imagine the contrast like the difference between a window air conditioner and central A/C.Ī window A/c is an all-in-one unit. Instead, the difference is how air is circulated within the RV. Almost all RV rooftop air conditioners can be configured for either ducted or non-ducted (direct) use. Somewhat confusingly, the difference has nothing to do with the air conditioner itself. What’s the Difference Between a Ducted or Non-Ducted RV Air Conditioner?
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