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

Installing a window air conditioner is a sweaty job, so you might be tempted to simply open the window, boost the air conditioner into place, close the window, and hope for the best. Not a good idea, ...

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.

Choose the right type of air conditioning system to keep your home comfortable this summer ...

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

Although air conditioning units are generally subdivided into a number of categories, including window, split and whole house/building units, they still work the same, with the compressor, condenser ...

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

Trying to choose between a portable AC and a window air conditioner? Experts break down the pros, cons, cooling power, and ...

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 ...

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 ...