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**wingnut60** · 07-27-2016, 07:13 PM

You have only one AC? If so, that is the problem. Too much space, too little AC capacity.
A properly operating AC unit will only cool incoming air about 20d--you need to get a temp gauge and check air coming out of the vent, should be about 18d cooler than near the intake. However, if this measurement is close to 20d, then the answer is a 2nd AC.
Fivers are not inherently 'harder to cool' but additional room space IS harder to cool--and keep cooled.
Joe

07-27-2016, 07:13 PM	#2
wingnut60 Site Team Join Date: Sep 2005 Location: Where we park it Posts: 2,838	You have only one AC? If so, that is the problem. Too much space, too little AC capacity. A properly operating AC unit will only cool incoming air about 20d--you need to get a temp gauge and check air coming out of the vent, should be about 18d cooler than near the intake. However, if this measurement is close to 20d, then the answer is a 2nd AC. Fivers are not inherently 'harder to cool' but additional room space IS harder to cool--and keep cooled. Joe __________________ 2016 Tiffin 40 QBH 2015 38RSSA, traded 2005 TK3 #1869, 10 yrs of memories, 2017 F450 KR--one more Ford is it 2009 F450 4x4-died; 2010 F450-retired