A Free Guide to Evaporative Air Cooler Sizing

It is very important to choose the appropriate sized evaporative air cooler, also known as a swamp cooler or desert cooler for your space. An incorrect sized evaporative cooler can cause a high level of indoor humidity and that can be very uncomfortable. mccoy air cooler

The size of your evaporative cooler should be determined by a few key factors, including the area of space in your home, and the climate in which you reside. Generally, the size of your evaporative cooler is based on your climate. The following size specifications for an air cooler are pretty accurate: 2 to 3 cooling feet per minute (CFM) per square foot, in mild-hot climates; 3 to 4 CFM per square foot, in hot dessert climates.

This simple formula will help you determine the proper size swamp cooler for you. All you need to do is determine the cubic feet of space you want to cool, and then divide that number by two. The quotient will give you the CFM rating for the appropriate sized swamp cooler.

For example, if you have a 1,700 square foot home with 9 foot-high ceilings: 1,700 x 9 = 15,300 cubic feet/2 = 7,650 CFM is needed

If you remember these simple tips when purchasing your evaporative cooler, you will find the product that will meet your cooling needs: Be sure to purchase an cooler that has an appropriate CFM rating or higher. Also, make sure your evaporative air cooler is large enough for your space, but not too large. Purchasing an evaporative cooler that is too large is not an efficient use of energy and will waste energy, reducing the savings of a swamp cooler.