It's hot. Like, really hot. Learn how to clean a window AC unit, and you can stay cool all summer long. Millions of Americans are under heat warnings this summer, and window air conditioners are ...

We don’t always have the answers, but we have some people on speed dial who do — which is why we present to you our series FYI where we have experts explain if lip balm is actually bad, how often you ...

Learn how to identify, clean, and prevent mold in your air conditioner — plus, health risks and maintenance tips.

They all have the potential for moldiness. Here’s how to protect yourself. By Maggie Astor Air-conditioners can save lives and keep us comfortable on blistering days. But they may also carry health ...