Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...

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.

Buying a new AC can be confusing, especially when deciding between a split AC and a window AC. Both are designed to cool a room, but they are different in terms of cost, installation and power ...

Living in a historic Pittsburgh home without central air, window units are not optional for my family. Since our 1904 home has radiator heat and no ductwork, I have used many window-unit and ...

These affordable units can provide cool relief, but need maintenance and care ...

The way portable and window AC units operate is the most significant factor that determines their cooling capabilities. The Windmill was the top-performing window AC unit in our tests, while the Black ...