I 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 ...
Electric heat on that thermosat is most likely heat pump on A/C. That is OK above freezing. Below freezing use propane to heat basement, wet bay and water lines.