Installing a whole house fan by QuietAir fans can significantly reduce your air conditioning bills. If you live in an area with hot days and cool nights， stop throwing money away on air conditioning and save by drawing the cool night air into your home. Super quiet modern engineering advances. This is not the old belt drive， loud， noisy and vibrating whole house fan of the past. QuietAir fans use acoustical ducting for quieter operation. A gravity damper isolates the living area from the attic when the system is not running. Easy Installation. Unlike older style whole house fans， QuietAir fans are designed and engineered to fit between 16 in. and 24 in. on-center joists， no additional framing is required.
CentricAir 3.4(R10) is designed to cool 1-story homes up to 2400 sq. ft. and 2-story homes up to 3400 sq. ft.
15-year fan motor warranty
3242 CFM (HVI-916 certified aiflow rating)
2-speed wireless remote control with timer
382-Watt， 2-speed high efficient German engineered fan motor
Acoustically designed， precision balanced， 5-blade fan for exceptionally quiet operation
Sealed motor prevents dirt and debris from plugging the motor causing it to over heat or prematurely fail
R-10 power actuated cold weather damper
Acoustical ducting reduces noise and eliminates vibration
Fits between 16 in. or 24 in. on center joists; no joist-cutting required
Requires 4.0 sq. ft. of net free attic ventilation
Installation typically takes just a few hours
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