Q: I plan to install a backup generator for power outages. How do I determine what size I need? Would it make economic sense to just use one all the time? A: Smaller portable or large whole-house ...

CR's experts help you select the right type and size of generator to keep the electricity flowing, whether you have frequent power outages or none at all To determine the size generator you need, we ...

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an emergency—no matter what.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The power just went out—again. As you dig around for candles and wonder whether your laptop is fully ...