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

Heat Waves Are Coming. Our Exclusive Lab Tests Reveal Whether Portable or Window AC Units Work Better to Keep You Cool ...

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

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." Living in a historic Pittsburgh home without central air, window units are not optional for my family.

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

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 ...