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.

Master-Bilt has announced patent approval for its reverse-cycle process. The proprietary technology involves a reverse-cycle valve that is added to the condensing unit which reverses the direction of ...

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 ...

It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold air!" While there may be a chance the system needs work, a reputable HVAC pro will ask a few ...

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 ...

In climate-controlled works there is need for some kind of defrosting. Defrosting precludes ice formation and to thaw ice in cooling and freezing systems. The defrost control assembly mainly consists ...