Mixing refrigerants in an R-454B system may seem harmless, but it can compromise system performance, void warranties, and ...

Industrial Sales Co.'s products include those for landscaping, water and gas utilities, telecommunications, and geothermal ...

In this video, experts from Carrier, METUS, and Friedrich share advice on what to do — and what to avoid — when during ductless installs.

It’s shaping up to be another summer where air conditioners will be humming across much of the country. To help contractors ...