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 on too. This is not good, I don't think. The thermostat (located above the dash on the passenger side) is set for 66 in both zones. Tonight, when I got there, it showed the temps as 58 in both zones. Turned the heat on and the A/C came on also. What am I doing wrong?

Are the ACs reverse cycle heat pumps? Let them run a little while and see if you get hot air. Also, try setting the temp only a few degrees above the inside temp and then bump the temp up keeping within four degrees of the inside temp.

What type Fleetwood? Bounder or what.

The heat comes on at the same time as the A/C. Where would I see if the A/Cs are reverse cycle heat pumps?

My thermostat has a "mode" button and I can cycle through fan only, cool, heat pump, furnace. I have to set this for each zone. What are you doing to turn heat on/off?When you say the A/C "comes on too," are you saying the roof units start up AND you can hear the gas furnaces ignite?

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.

Heater vs. A/C | Good Sam Community

16 Replies

PennyPA
Explorer
Dec 09, 2013
My thermostat has a "mode" button and I can cycle through fan only, cool, heat pump, furnace. I have to set this for each zone. What are you doing to turn heat on/off?

I set the mode to Heat/Electric. I don't have a choice except between gas & electric. The slider switch has "Cool" "Off" "Heat".

When you say the A/C "comes on too," are you saying the roof units start up AND you can hear the gas furnaces ignite?

Yes. And feel cold air out of the A/C vents and heat from the heater vents.
WyoTraveler
Explorer
Dec 09, 2013
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.
tkcas01
Explorer
Dec 09, 2013
My thermostat has a "mode" button and I can cycle through fan only, cool, heat pump, furnace. I have to set this for each zone. What are you doing to turn heat on/off?

When you say the A/C "comes on too," are you saying the roof units start up AND you can hear the gas furnaces ignite?
PennyPA
Explorer
Dec 09, 2013
The heat comes on at the same time as the A/C. Where would I see if the A/Cs are reverse cycle heat pumps?
Crazy_Ray
Explorer
Dec 09, 2013
What type Fleetwood? Bounder or what.
Ivylog
Explorer III
Dec 09, 2013
Are the ACs reverse cycle heat pumps? Let them run a little while and see if you get hot air. Also, try setting the temp only a few degrees above the inside temp and then bump the temp up keeping within four degrees of the inside temp.

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Heater vs. A/C

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