During the cold of winter, we long for the warm days of summer. But once the temperatures top 75 degrees or so, we head back inside for the cool air delivered by an air conditioner. But what type of ...

The air conditioner's energy efficiency rating indicates how much electricity it uses and, in turn, the environmental harm. If you want to spend less and still enjoy great features, buy an AC with the ...

We're going to buy some new room air conditioners and are choosing between through-the-wall units that require a sleeve and window-mounted units. Which do you ...