The QUIETCOOL QC ES-2850 (U.S. Patent #7497774) will help you slash your A/C related electricity costs by 50-90%* and pays for itself faster than any other "green energy" product on the market today. New in 2011, our "Energy Saver" motors have taken the whole house ventilation industry by storm. The QC ES-2850 is the workhorse of our ES line, yet still draws a puny 177.6 watts while blowing 2850 C
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