


High EER and SEER ratings: These two related (but not interchangeable) ratings are a measure of a particular unit’s energy efficiency measured in BTUs.Energy-saving setting: Another feature to look out for in the best air-conditioners is an energy-saving setting, which means that the unit will turn off not only the compressor but also the fan once your space has cooled off, thus conserving energy.Central air systems are frequently even more flexible. Programmable temperature settings: These days, even basic window units come with digital displays so that you can set a precise temperature and even schedule your A/C to turn off when you’ll be out and back on when you’re coming home.Air conditioner sizing is probably the single most important factor to consider. A too-small unit will have to work overtime to maintain the set temperature, driving up your energy bill. A too-large unit will cool the air but leave it damp and clammy. Right size A/C for your space: Size matters when you’re choosing an air conditioner.

Features to Look for When Choosing an Air Conditioner: There are a few key things to look for when you’re buying a new energy-efficient air conditioner that will help keep your energy bill-and the temperature in your home-low. What to Look for When Buying a New, Energy-Efficient Air Conditioner
