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

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

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Summer can either be something to endure or something to enjoy, depending on your perspective. But either ...

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

"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.

People who rent their homes, or don’t have enough money to make major upgrades to their homes, have for many years been left out of a major shift in heating and cooling technology that can improve ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

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.