How Do Evaporative Coolers Work?

How Evaporative Coolers WorkWith the summer months quickly approaching, most consumers will be considering how their air conditioners will affect their electric bill.  But what many consumers don’t realize is that there’s a more natural, energy-efficient way to stay cool without breaking the bank.

In less humid climates such as Arizona, Utah or even parts of Southern California, an evaporative cooler is a viable cooling option for many homes in that it’s capable of significantly lowering indoor temperatures by using very little energy.   Your average evaporative cooler can cost up to half as much to operate than an air conditioner, and most portable household models use only as much electricity as a light bulb.  Large evaporative coolers can also be used for automotive, industrial, agriculture and horticulture applications.

An evaporative cooler is basically a large fan with a water-soaked cooling pad in front of it.  The fan brings in warm air from the outside and blows it through the pad, which cools the air and distributes it back into your room.  A water pump helps to continuously soak the cooling pad with water.  Some units, like the Luma Comfort EC45S and EC110S, also have built-in dust filters to capture any airborne particles that might be lurking in the air you breathe.

Just keep in mind that evaporative coolers work best in hot, dry climates.  Since an evaporative cooler basically uses humidity as the main element in the cooling process, it will slightly raise moisture levels, which may or may not be a good thing, depending on where you live.

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