brian_bp wrote:A member of FiberglassRV (Per Walthinsen) built a similar A/C unit into his small trailer with added ducting like this, and it works... but due to the resistance to air flow through the restrictive ducting it needed a booster fan. It is descrbed in the topic A/C in Fiberglass Trailers, Cool your egg the efficient, cheap and easy way..
McTeardrops wrote:With the supply and return as close together as shown, air flow will be out one grill and in the other. (short circuit) I used my rear shelf to provide separation, but the vaned diffusers from the unit might also work. Ideally, for AC, the supply should be below the return. The thermostat sensor should be as far from the unit as possible, but the easiest location would be in the return air duct.
You've been thinking.
You might want to consider increasing the size of the vent on the side of the tear. Ideally it should come as close as possible to the same size area as the intakes on the sides and top of the AC unit combined.
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