The best window air conditioners we tested can reduce the room’s temperature by 10° F in less than 15 minutes. If your window air conditioner is on the fritz—for example, it’s struggling to produce ...

Even in the Midwest, heat waves can make even the coolest homes feel like ovens. As the sun blazes outside, preparing your indoor environment for the summer heat becomes a necessity, and keeping your ...

With much of the country in the grips of a massive heat wave, many people who have air conditioners in their homes are running them overtime. But these extreme temperatures present a significant ...