See how much you can put back in your wallet when you upgrade to a high-efficiency system using our Energy Savings Calculator.
Mini-Split air conditioners are small and easy to install, but they make a big difference in that one room that's not as comfortable as the rest. http://pub.vitrue.com/MBb1
Try to shade your outdoor AC unit since air in shaded space is about 5-6° cooler than the surrounding air and can improve efficiency up to 10%. For safety, landscaping and other objects should be placed about 3 feet away from the unit.