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



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 54 Decibals (dBA) on high; 52 dBA low speed
Efficiency 6.29 CFM/Watt (max)
Energy use 623 Watts
    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.

If you're looking for a professional whole house fan company, please contact us today at 949-709-8194 or complete our online request form.