CentricAir 4.0 Whole House Fan 3921 CFM (HVI-916)

Specifications

Airflow	3921 actual CFM (max); 3184 CFM low speed
Installation	Fits in between 16" or 24" on center joists
Electrical	120 VAC, 60 Hz
Unit weight	64 lbs total
Damper box size	28.5" × 14" × 13.75" (L × W × H)
Grille size (outer)	16" x 30"
Required attic venting	5.0 sq. ft. net-free
Rough opening	14" × 28.5"
Grille	Low profile, hi-air flow, cube-core aluminum (white)
Fan	20-inch, industrial-grade motorized impeller
Control	Remote control or wall switch
Insulation	R-5, R-10, R-50 insulated dampers
Attic seal	Industrial-grade maintenance free damper
Acoustical	49 (dBA); 47 dBA low speed
Efficiency	6.29 CFM/Watt (max)
Energy use	623 Watts
Control	Choice of: Wired 1 Speed Wall Timer – Compatible with Back Draft Damper Wired 2 Speed Wall Switch & Timer – Compatible with All Dampers Wireless 1 Speed Remote Control with Timer – Compatible with Back Draft Damper Wireless 2 Speed Remote Control with Timer & Temperature – Compatible with All Dampers
	Due to product improvements and equipment upgrades, performance ratings and specifications are subject to change without notice.