Quote:
Originally Posted by Chinomax
I have never seen a trailer/5er that does not have the AC air blowing out of the ceiling and the heat coming out of the floor or side cabinets. I don't see how any other way would be possible but maybe your rig is something new! Chino
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In newer RV's with a single thermostat to control both heat and A/C, most are "wired" so the A/C fan will run when the furnace fan runs (if the thermostat switch is set to "LOW" or "HIGH". If it is set to "AUTO" then only the furnace fan will blow. That feature was included to provide the capability to integrate a rooftop heat pump with the furnace and/or to allow for increased air movement. Many RV's have limited heat delivered to the front bathroom/bedroom area. You're right, the A/C (cool air output on rooftop units) is almost always delivered from the ceiling vents.
All rooftop heat pumps deliver the "warm air" via the A/C vents in the ceiling. Those that also incorporate a gas furnace in the system can usually be "switched" so the A/C fan will blow when the furnace output is blowing from the lower vents, delivering air from both the ceiling and the floor.
My 2011 Springdale (manual thermostat) and my Cougar (digital thermostat) are wired so the A/C fan will run when the thermostat fan switch is in any position other than "AUTO."