Forum Discussion
Bob_Landry
Nov 23, 2013Explorer
CavemanCharlie wrote:
I have a old 20 foot TT with a discontinued Emmerson roof mount AC unit. I have no idea of the size but, it puts out 35 degree cold air on a 85 degree day. My brother has a 3 year old 5th wheel and his "Brisk Air " roof mount unit only puts out 60 degree air on a 85 degree day. I say go with the bigger unit because the new roof mount AC units are junk and don't put out decent cold air.
Between 56 & 60 degrees output temp is what a R22 unit will do. 35 degree air indicates an air restriction either dirty return filter or a blockage or restriction somewhere in the ductwork and at that temperature, the evaporator temp is below freezing and if it's running in a humid environment, it will ice up rather quickly.
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