air from AC escaping into the ceiling cavity
My camper has developed sort of a stale smell that was only occurring when I ran the air conditioner. I cleaned the coil and duct work and all parts that contribute to air coming into the cabin, yet...
Forum Discussion
The plenum of the AC unit is not sealed. There shouldn't be any AC flow into the ceiling space. The gasket between the AC unit and the roof membrane is probably not your problem as it acts as a gasket to seal the weather out of your RV.
