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A major problem we have with cooling our RVs using our RV Air Conditioner is inefficient ductwork. Make sure the plenum areas are taped off and not leaking into the ceiling space. Heat runs to cold and if we have any cracks in the plenum or duct work then we have warm attic air mixing with cold air making it every inefficient. Next check the filters and gently clean or replace.

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Category: Air Conditioners