Should outside fan run when heat is on?
Should outside fan run when heat is on? The fans in the outdoor unit must also run in order to draw the outside air across the coils where the refrigerant absorbs its heat through evaporation and then takes it indoors. Nonetheless, you should stay vigilant when it comes to the sounds your heat pump makes while it operates. Does the outside unit come on when heat is on? Therefore, when you run the furnace in the winter, the outside unit should not run as it only functions as part of your air conditioning system. With a heat pump, however, the...