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 ...

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 ...

Steve Miles is the general manager of Jerry Kelly Heating and Air Conditioning in St. Louis. He has seen his share of misdiagnosed unitary air conditioners and heat pumps — the company offers free ...

Like any appliance, air conditioners need a little TLC to deliver optimal performance. ACs that haven’t been kept in top-notch condition tend to struggle most. We asked air conditioner pros and ...

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 ...