(Q) The air conditioning unit outside is buzzing, but neither the fan nor the compressor is running.
(A) The breaker tripped or a bad contactor is causing the problem.
(Q) The outside air conditioning unit fan motor is running but there is no cooling.
(A) The air conditioning compressor is not starting. Turn the unit off and contact us for help.
(Q) The compressor and the fan motor of the outside air conditioning unit are running, yet there is no cooling.
(A) Possible causes include the following: a dirty filter, a bad indoor fan motor, leaking refrigerant, a frozen evaporator, or a compressor not pumping adequately.
(Q) The outside air conditioning unit is humming, but the fan motor is not turning.
(A) Fan motor is bad or not starting. Turn the unit off and have it checked.
(Q) The thermostat is off but the outside air conditioning unit is running.
(A) The contactor is bad. Turn the breaker off and contact us for help.
(Q) There is shrilling sound in the indoor air conditioning unit and the pipe outside is frozen.
(A) Blower wheel may be broken. Turn the unit off and contact us for help.
(Q) How often do I need to replace my air conditioning unit filter?
(A) As soon as a layer of dust can be seen on the filter, it is time to replace it.
(Q) I use only pleated air conditioning filters, isn’t it supposed to last 3 months?
(A) If you can see the dust, it is time to replace the filter.
(Q) Does the refrigerant get used up? Why do I have to add some in my air conditioning unit every year?
(A) No, the refrigerant does not get used up. Your air conditioning system has a leak that needs to be repaired. Contact an air conditioning repair company to locate and repair the leak and you won’t have to add refrigerant every year.