Uneven cooling in a house is most commonly caused by leaky ductwork, clogged air filters, an improperly sized HVAC system, poor thermostat placement, or inadequate..
AC short cycling means your air conditioner turns on, runs for only a few minutes, then shuts off and fires back up again before finishing..
A musty AC smell almost always means moisture is sitting somewhere it shouldn’t, usually on the evaporator coil, in the condensate drain pan, or inside..
During a Pennsylvania heat wave, set your AC to 78°F when you are home, raise it to 85°F when you leave for four or more..
An AC unit freezes up in summer when airflow across the evaporator coil is restricted, refrigerant pressure drops too low, or the system runs during..
