MINNEAPOLIS (WCCO)-- Over the past few weeks, most people have likely had their air conditioner running nonstop. In fact, we're so used to it that many don't even think twice about how our homes ...

In our science of summer series, LiveScience looks at how air conditioners work to keep you cool, including the history and chemistry of your home's A/C. Skip to main content.

It’s 95 degrees outside as you drive home from work. When you get home, it is almost as hot inside as outside. You walk over to the thermostat, flip a plastic switch, and the air-conditioning… ...