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.

Space heaters offer excellent spot heating in the colder months, keeping rooms and offices warm at top speed. But they can also be dangerous: Space heaters remain one of the top causes of home fires ...

When a water heater dies, it rarely does so without sending up a flare first. The most important early clue is a subtle but ...

Your water heater rarely fails without warning. Long before a tank splits or a basement floods, an aging unit usually follows a predictable pattern of small changes that, if you know how to read them, ...

As expected in December, it's cold in Chicago. Especially for the Green Bay Packers. With the first-half temperature at 32 degrees and the wind chill at 16, the Packers lost the use of a critical tool ...

Cleaning hearing aids can keep them working for longer, but do expensive UV-C cleaning devices really help? We tried two ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...