Is your old air conditioner getting noisy, or are you sick of how much electricity it guzzles down every summer? Today's energy efficient air conditioner options can help cut down on these costs. Once you know what size air conditioner you need, it's not too hard to figure out what models offer the best energy efficiency.
Which model is the most efficient depends greatly on the size of air conditioner you need, so we won't be making product recommendations in this article. We recommend that you use the Energy Star calculators linked below to sort through products that meet your BTU capacity needs and other must-have features. (For more info on choosing a new AC, check out our air conditioner buying guide.)