Yes. In most cars (especially those that have climate control) the Air Conditioner compressor will run periodically, while the heat is on, to dry the air as it comes into the cabin; this prevents the windows from fogging. The A/C Compressor will always run when you have the window defrosters on.
The air conditioner or heater continually runs.
the answer is air conditioner
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Yes, a remote control is included with the LG 7000 / 3850 BTU Air Conditioner / Heater.
If your heater is a heat pump , then yes.
The car has a new radiator and the air conditioner was serviced last year
This has much to do with how the air conditioner and the heater is vented. If the air conditioner draws its air from outside it could be picking up air / smell of smoke from the other family and then redistributing it into your home. A heater on the other had usually has a heater input vent within the house it is heating (it draws the interior air in and then heats it blowing it back out) as the air within the home will be significantly warmer than the exterior air.
check fuse.
its called a heat pump
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Check main breakers.