should my outdoor heating units blow in the winter? a/c hvac?
Posted on
December 4th, 2009
by Home Improvement
I have gas heat for my stove and indoor heat….A couple neighbors asked why my outdoor unit was blowing air (fan turning) during the winter because they thought it shouldn’t do that…Should it be doing that? (as my heat is on inside)
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you may have a heatpump with a gas back up. Turn the thermostat 2 degrees above room temperature and see if the outdoor unit is running without the gas burner lit inside. Turn the thermostat 5 degrees above room temperature and see if the gas burner lights
your thermostat could be wired wrong,and when the gas heat goes on by the thermostat it might be turning on your condenser.
Unless you have a heat pump, no, it shouldn’t be running. There are some systems that use dual energy sources for heat. They use a heat pump for warmer weather and then the fossil fuel (gas, oil) as the main heat when it is colder.
But if you have straight A/C with gas heat, it shouldn’t be running. You may have a grounding issue with the outdoor unit or a low voltage control problem that is causing the outdoor unit to come on. Check the outdoor unit to see if you can hear the compressor running.
You should call for service if you don’t have a heat pump.
If the outdoor unit is for ac only, then the unit should not be running. If it is you may have a problem with the thermostat or the contactor in the unit. If the unit is a heat pump, then it should be running in mild weather. Some systems called hybrid systems use a heat pump in mild weather with the gas furnace when it is colder. For more info, check out the heat pump page at my source.