If you have a window that supports it, we highly recommend window AC units over portable units, based on our lab testing and ...

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.

Key Points Power on the AC unit during the off-peak hours and shut it off just before peak hours take effect.Use a fan in ...

Find out how to keep a home with casement windows cool this summer—even with portable ACs that require a little extra rigging ...

This saddle-style air conditioner preserved my window view and cooled a 300-square-foot bedroom quickly.

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 ...

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 ...