Proper air conditioner size selection for your space is a critical step. You want your investment to turn your space into a veritable oasis and to that end may be inclined to get the most powerful unit you can find. However, you want to avoid selecting an air conditioner size that is more suitable for a space larger than which you intend to cool.

A lot of people ask "what size air conditioner do I need?" You would be surprised to know that buying either an underpowered or overpowered unit can lead to a less-than- optimal cooling experience. While an underpowered unit may just not perform, an overpowered unit will cycle on and off too frequently and never run at its peak efficiency when cooling your space. The constant cycling on and off will also lead to improper dehumidification. Use the chart below as a rough guide to get you started:

Finding a properly sized unit should be easy as looking at the accompanying label for any air conditioner. They will tell you, along with the air conditioner size, the average space in square feet for which it is suitable. However, there are more factors to consider before you buy: