In this video, I demonstrate how to test an AC compressor to determine if it is faulty. The two featured tests are quick and straightforward, allowing you to assess the compressor yourself before ...

Want cold air in the summer or clear windows in the winter? Then you’ll want a functioning air-conditioning compressor. It is the power unit of the air-conditioning system that puts the refrigerant ...

You may not be aware that your air conditioning unit has a built-in rule that you need to follow to keep the system running ...

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 ...

The lubricant in refrigeration and air conditioning systems has many important functions. Even though the circulated refrigerant is the working fluid required for cooling, the lubricant or oil is ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

HVACR field service terminology is often confusing and misused even by the most seasoned of veterans. But clarification of such terminology among service technicians is of the utmost importance in ...

Motors used for refrigeration equipment (including air conditioning systems) are hermetic. When we say “hermetic,” what do we mean? It’s a motor that’s sealed from the outside. In the case of ...