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.

As outlandish as it seems, an English research team is working on a heat pump that runs off actual ice … well, more like slushies. It’s a serious effort to tackle one of our biggest energy challenges: ...

Scientists in the United Kingdom have demonstrated the feasibility of residential ice-source heat pumps in cold climates and densely populated areas. They designed a heat pump system that utilizes ...

A heat pump doesn't generate heat; it transfers it from one place to another. It's an appliance with a bright future in an ...