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.

If you’ve been thinking of trying to cover your heat pump to hide it from view, you’re not alone. For many homeowners, the outdoor unit of an air source heat pump can be a bit of an eyesore and the ...

UK scientists designed a new heat pump concept that they claim could be particularly beneficial to newly developed areas or potential residential complexes. The system uses ice or ice slurry as the ...

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...