These affordable units can provide cool relief, but need maintenance and care ...

We got our hands on multiple units and looked for models that are quiet, energy-efficient, and easy to install.

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 ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...

Tom spent 20 years running his own contracting company, working as a building mechanic and operating as a carpenter. Now he creates solar, home security, moving and home warranty content content for ...

These lab-tested window AC units will keep your home cool, and they’re energy efficient.

Portable ACs can work with casement windows but need a special adapter to seal the vent properly. Casement windows' swing and lack of flat windowsill make them incompatible with most window unit ACs.

No central AC? As the National Weather Service warns of dangerous heat across much of the US next week, we tested dozens of air conditioner units to see which delivers the best cooling performance.