After years of sticky summers in small city apartments, my childhood memories of air-conditioned houses started to feel more and more distant. Living in buildings with small, oddly-shaped windows or ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A portable air conditioner is just what it sounds like — a mobile device that delivers cool air where and ...

A portable heat pump can both heat and cool a room, so you can replace an air conditioner and a space heater with a single unit. Portable heat pumps—sometimes marketed as "portable air ...