Evaporative Cooler

Two Stage Evaporative Cooler

Tue Oct 18, 2011 2:01 pm
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If you're looking for a two stage evaporative cooler, then you have several options to choose between. Two stage evaporative coolers are durable, and very efficient. You can find indirect direct two stage evaporative room coolers, commercial two stage evaporative room coolers as well as two stage evaporative air coolers. An evaporative cooler would be a great alternative to an air conditioning unit if you want to save money. No matter whether you're looking for an evaporative swamp cooler, a window evaporative cooler or a portable evaporative air cooler, you're sure to find a model that suits your needs.

 Two Stage Evaporative Cooler

"Two-stage evaporative coolers are commonly 100%-115% effective in reaching wet-bulb temperatures. They can reduce the temperature of outside air by as much as 50°F (for example, from 115°F to 65°F), while delivering air that is less humid than that from a single-stage evaporative cooler."

Two Stage Evaporative Cooler

"Two-stage coolers (also called indirect/direct coolers) usually use a rigid pad and have an indirect evaporative "pre-cooler." As illustrated in Figure 1, the indirect evaporative cooler cools the tubes in a heat exchanger. At this stage, the air moving down the inside of the tubes is precooled without contacting water. This precooled air then flows into a direct evaporative cooler, where it is cooled again, and finally enters the house."

These coolers can be found at homeenergy.org

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