By Mary H.J. Farrell Size matters when you’re buying a window air conditioner. An air conditioner that’s too small will ...

The window opening should be wider than the unit but still narrow enough to fit the maximum width of the air conditioner’s baffles. The window should also open wide enough to allow the air ...

Until recently, those of us without central air had to choose between sweltering humidity and loud, cold-inducing frigidity every summer. But the latest window air conditioners are capable of ...

The reason being is that they are slightly less efficient than window units.” So when buying a portable air conditioner, size up — and don’t be surprised that you will usually have to pay up.