We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › A heat pump unit installed on side of a yellow exterior wall. Q: My heat pump quit ...

A heat pump functions as a typical air conditioning system in the cooling mode — absorbing heat from indoors and rejecting it outdoors. In heating mode, the coils reverse their functions. The outdoor ...

In this troubleshooting situation, the equipment is a package unit heat pump, and the customer has called for service because although they have the thermostat set at 74° F, the temperature in the ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › A: Cooling ...