A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

The core of a refrigeration system is the compressor, which is designed to pump cool refrigerant gas from the evaporator into the condenser. To accomplish this task the compressor raises the ...

When my air conditioner stopped cooling properly in the middle of July, I didn't expect the culprit to be the compressor. I thought maybe it needed cleaning, or the thermostat was acting up. But once ...

Is your AC ready for summer? Discover the 10 most common air conditioner problems — from dirty filters and refrigerant leaks to failed capacitors — and learn exactly how to fix them before the heat ...