If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

Initially, the residents of a five-story New York City apartment building feared the conversion from their oil-based heating ...

Modern heat pumps are engineered for extreme cold, yet misconceptions persist. Field data and proper system design are ...

Heat pumps have become a kind of Rorschach test for the future of home comfort: to some people they are a climate solution, ...