Air conditioners are costly but in case you know what to appear for you personally can make them spend for themselves within a matter of months. 1. appear for one particular that has a genuine high Energy Star Efficiency Rating. They are far more costly within the sale price tag but you can save as high as a hundred  or far more monthly as opposed to a less expensive low energy efficiency unit. That implies you get that additional revenue back in short order but maintain on saving year right after year.