Size matters when you’re buying a window air conditioner. An air conditioner that’s too small will struggle to keep a room at a comfortable temperature. A model that’s too big will cool a room too ...

Q-I have been talking with contractors about a new air conditioner for my home. How can I calculate which unit will be most economical for me? A-Take a look at the rating of the air conditioners that ...

When choosing a window air conditioner, don't assume that buying the most powerful model is the best choice. An air conditioner that is too powerful for the room will not remove enough humidity, ...

If you've finally broken down and decided to beat the sweltering heat with an air conditioner, Consumer Reports has a fantastic calculator for figuring out exactly how much A/C you need. Based on your ...