Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A heat wave has been scorching the US, signaling that summer weather ...

Air conditioners are life-saving appliances. If you live in an area where the temperatures can soar into the 90s—or higher—you know how crucial it is to have some sort of climate control in your home.

Allow me to set the scene: It's summer, and a heatwave has caught you by surprise. You're lying in a bed of your own sweat, unable to sleep, eat, or do anything except wonder why your usually reliable ...