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 ...

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 ...

We may receive a commission on purchases made from links. Air compressors are an invaluable part of a professional's job, as they can power a wide range of tools. From paint sprayers to nail guns, air ...

Your air conditioning can feel fine one day and then blow warm air the next, with no warning. When that happens, the AC ...