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.

US startup TerraVis Energy is developing a residential heat pump that it claims can maintain high comfort levels without requiring defrosting. “The system is based on our soon-to-be patented ...

UK-based researchers have developed a novel method to estimate the amount of defrost cycles a heat pump will experience in the winter and how much energy it would require to implement the cycles. The ...

First introduced in the 1950s, heat pump installations have increased in North America, in both residential and commercial projects. In fact, the U.S. Climate Alliance, a coalition of 25 states, ...