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Two-stage Evaporative Cooler

Two-stage evaporative coolers improve efficiency and reduce the amount of moisture added to the air.

U.S. Department of Energy
Energy Efficiency and Renewable Energy (EERE)
Web Site

Disclaimer: The information on the system, product or material presented herein is provided for informational purposes only. The technical descriptions, details, requirements, and limitations expressed do not constitute an endorsement, approval, or acceptance of the subject matter by the U.S. Department of Housing and Urban Development (HUD/FHA), The Partnership for Advancing Technology in Housing (PATH), or any PATH-affiliated Federal agency or private company. There are no warranties, either expressed or implied, regarding the accuracy or completeness of this information. Full reproduction, without modification, is permissible.