We've spent the last several months testing window air conditioners and portable air conditioners and found that while window units cooled rooms faster, it wasn't that much faster. It's true that ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." Unlike window air conditioners, portable air conditioners roll easily from room to room and take only ...

"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 ...