A new system from Scandinavia could reduce the guesswork in assessing air-conditioning and refrigeration equipment for energy performance certificates, says Mike Creamer There will be some surprises ...

Thermodynamics, as with most concepts in science and physics, is most accurately described using mathematical equations. However, simple explanations, although not perfectly accurate, are sufficient ...

Article 430, the largest Article in the NEC, is commonly understood to be the “motor” Article. But if motors are a part of air-conditioning (A/C) and refrigeration equipment, they also fall under Art.

It was a monumental day for the environmental movement more than 30 years ago when all 198 countries in the world agreed on something for the first and only time ever. They signed on to the Montreal ...

Motors for air conditioning and refrigeration equipment are special-purpose motors called “hermetic,” meaning they’re sealed. They’re sealed because they’re in the same housing as the compressor and ...