A window AC unit will not be as expensive as central air and it will still keep your home cool through the hottest months of the year.

We've spent the last several months testing window air conditioners and portable air conditioners and found that while window units cooled rooms faster, it wasn't that much faster. It's true that ...

These ACs from Frigidaire, GE, LG, and Midea can keep things cool and quiet while you sleep U-shaped air conditioners like this Midea can run quieter because they use your window to block out noise.

Summer arrived with a bang last week, with temperatures soaring all around the country, and if you’re anything like me, the first 90-degree day means pulling window air conditioners out of storage for ...

As is the case for many people, my home cannot be retrofitted with central air. My 100-plus-year-old Brooklyn apartment, which features prominently in my seven years of air quality reporting for WIRED ...