PennyPAExplorerDec 10, 2013Heater vs. A/CI am currently the "carer" for a 2006 Fleetwood while its owner is in the hospital. It has a 2-zone heat system. During the day, I turn the heat off; at night, I turn the heat on BUT the A/C comes ...Show More
pianotunaNomad IIIDec 10, 2013Hi Penny,Turn it on. Wait 15 minutes. Check to see if the air coming out of the air conditioning ducts is warm, or lukewarm (or at least not cold).
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