The compressor is the heart of any air conditioning or refrigeration system, so when it starts showing signs of not working correctly, technicians must act quickly in order to find out what is wrong.

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 ...

Kristin is a lead editor at Forbes Home and has nearly a decade of professional experience as a writer and editor. She's previously worked at sites like Talking Points Memo, Insider, Delish, Angi and ...