Space heaters are a fast and economical way to warm up your home when temperatures dip — and they can be a beneficial tool to keep on hand in case of emergencies. Whether it’s a drafty bedroom or ...

Justin Jaffe is the Managing Editor for CNET Money. He has more than 20 years of experience publishing books, articles and research on finance and technology for Wired, IDC and others. He is the ...

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.