Article 440 applies to electrically driven air-conditioning (A/C) and refrigeration equipment. Each equipment manufacturer has the compressor motor built to its own specifications. The motors are ...

Got an old air conditioning compressor lying around? And some engineering skills? Why not turn that thing into a real, working internal combustion engine? That's what one YouTuber did, and the result ...

OEMs, distributors, contractors, and technicians all have their eyes on December 31. That’s the date, per U.S. Environmental Protection Agency (EPA) regulations, after which newly manufactured or ...

The compressor's discharge temperature is often an overlooked temperature when troubleshooting a refrigeration or air conditioning system. However, it is very important because it's an indication of ...

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 ...