Add Yahoo as a preferred source to see more of our stories on Google. A dirty window air conditioning unit. - Xphotoz/Getty Images We may receive a commission on purchases made from links. Once you ...
Pro tip: It needs a lot more TLC than a filter change.
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 ...
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