Add Yahoo as a preferred source to see more of our stories on Google. Keeping your window AC unit clean helps improve its performance and longevity. This summer has been an absolute scorcher, with ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Cory Fernandez Commerce Editor We don’t always have the ...

Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn more. We don't always have the answers, but we have some people on speed ...

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 ...

Where you put your AC units and vents and how you maintain them can really impact their efficiency—and your electric bill.