Installing a window air conditioner is typically a straightforward DIY process that can quickly transform a muggy room into a much more comfortable space. If you have any questions about your specific ...

Q: I am renting a small, old home without central air conditioning. I have a window air conditioner, and the past few years I’ve awkwardly filled in the space around it with a large piece of plywood.

Are you ready to throw in the towel on surviving another summer in New York City without comfortable air conditioning? When temps soar past 90 degrees, those window units just don't pass muster—and ...

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

The best window AC units of 2026 are both powerful and energy-efficient. Our top five picks include quiet models from LG, ...

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 ...

DIYer and woodworker April Wilkerson installs a window AC unit in her workshop for improved cooling.