Compact heat pumps that slot into windows could be a planet-friendly way to efficiently heat and cool apartment buildings without breaking the bank, experts say. While many single-family residences ...

We may receive a commission on purchases made from links. A questionable smell, an odd noise, or just the feeling that your window AC unit isn't keeping the space as cool as it used to can set off the ...

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 ...

Like a lot of New Yorkers, I’ve always depended on a humble window AC unit to survive summer’s swampy grip. For nearly a decade, my old Frigidaire did its best: It was dented from three moves, louder ...

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 ...

Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...

This spring, I decided enough was enough. It was time to get a grown-up air conditioner that wouldn’t wake me (and all my neighbors) up every time it hummed to life. So I did what any Brooklynite who ...