Having the proper test and measurement equipment should be on every HVAC service technician’s to-do list when troubleshooting compressors. Some people say that the compressor is the key component, or ...

The compressor is the power unit of the air-conditioning system that puts the refrigerant under high pressure before it pumps it into the condenser, where it changes from a gas to a liquid. A fully ...

Since this column's inception, we've received a substantial number of questions concerning air-conditioning troubleshooting. Answering each one would take quite some time, but we will attempt to ...