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The QC ES-6400 advanced whole house fan is a new take on the idea of whole house ventilation. Whole house ventilation allows you to bring the cooler outdoor air through your windows, home, and attic space to thoroughly cool and ventilate both the home and attic. This is what allows your home to stay cooler the next day and resist heating up as much as it would if you only ran the AC to cool the home. The QuietCool QC ES-6400 is designed to be installed centrally in mid-to-large size homes. Simply open a window when you get home from work, flip on the QuietCool, and enjoy a peaceful and cool evening relaxing. And for an even better system, purchase another smaller QuietCool unit for your master bedroom to enjoy a full range of cooling and ventilation.
Never run your A/C at night again!
QuietCool works perfectly at night when the temperature drops, mass-cooling your home without the use of A/C. By mass cooling your home at night it will remain cooler during the day.
Save up to 50-90% off A/C Usage
QuietCool advanced whole house fans use and improve upon the principle of ventilation cooling with savings of up to 50-90% off traditional cooling methods such as A/C. The more you use your QuietCool whole house fan, the less you need to use your A/C.
QuietCool is proudly designed and built in the USA with a 98% customer satisfaction rate.
Zero noise vibration for quiet operation, efficient split capacitor motors to save you money, and R5 Insulated Damper System to ensure no heating/cooling loss between home and attic.
Ultra-high Efficiency Motor
The 2-stage ECM motor operates to suite your needs. Stage 1 operates at an ultra efficient 179-watts while Stage 2 functions at an efficient 527-watts, ready to cool your home in the most difficult conditions.
8.5 sq. ft. of net free attic venting required for proper ventilation.