Millions of Americans are under heat warnings this summer, and window air conditioners are working overtime. You know how it is: You come home from a long, hot day, and all you want to do is bask in ...

A good window AC unit is the difference between a fun summer and a miserable one. Just like a refrigerator or dishwasher, the appliance needs to be properly maintained in order to keep you cool and ...

Now that you won’t need your whole-house air conditioner much more this year (we hope), here’s something to think about during the long winter: Your outside unit might be growing a fur coat. I’m ...