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.

National Compressor Exchange Inc. ships out all of its remanufactured compressors with computerized test results. According to the company, results are printed at the time of the test and included in ...

Nothing fills a person with dread quite like a misbehaving refrigerator, whether the appliance is humming but not cooling or has started mysteriously leaking water. Buying a new fridge is expensive, ...

Add Yahoo as a preferred source to see more of our stories on Google. Consumer Reports has no financial relationship with advertisers on this site. If you own an LG French-door or side-by-side ...

A shift to angular and polar coordinates offers control engineers a more physically rigorous, PID-friendly approach ...