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

whole house fan on damper box
The Centric Air fan mounted on its damper box More Photos

CentricAir 4.0 whole house fan delivers a powerful 3921 CFM (HVI-916). It requires about 5.0 sq. ft. of net free attic ventilation and costs about $0.08 per hour to operate. It uses 623 WATTS of power and is designed to cool 2-story homes up to 4400 sq. ft. and 1-story homes up to 3000 sq. ft.

CentricAir whole house fans consist of a German engineered fan motor which is 30% more powerful and uses 1/3 less electricity than other whole house fan motors. These high efficient motors come with a 15-year guarantee and are rated for 40,000 hours of operation.

Included with the system is an industrial grade back-draft damper, sound absorbing acoustical duct-work, custom high airflow grill, on/off remote control or wall switch/timer and all necessary hardware. Also available with select CentricAir products are our exclusive two-speed remote control with timer and cold climate damper. (See included & upgrade options below)

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Choose a remote control or wall switch for your system.

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Exceptional Power, Extremely Energy Efficient!

The CentricAir 4.0 is a high quality, very powerful and ultra quiet alternative cooling solution. It uses a German engineered industrial grade fan motor that can provide 30% power while using 1/3 less energy as compared to other industry standard fans.

Extreme Engineering - Built To Last, Ultra Quiet

These high-end industrial grade motors are built to last and are rated for approximately 40,000 hours of operation. The noise level is also really something to hear – or, actually not hear. At a very quiet 54 dBA on high, the 4.0 is very quiet. Every aspect of this system is built to a rigorous specification suitable to demanding industrial applications and is completely maintenance free.

Heavy-duty Maintenance Free Damper

A fundamental problem with traditional whole house fans was air leakage between the attic and living spaces. This could result in dirty attic air entering your home. The 4.0 takes care of this problem with an industrial-quality damper that is thermally insulated and maintenance free. Silicone seals are provided to ensure sealing longevity; they also provide phenomenal resistance to weathering and changes in temperature. Silicone seals have an approximate service life of 30 years and remain flexible down to -40 degrees F/C.

Low Profile - High Air Flow Register

The CentricAir 4.0 comes with a high air flow register that reduces air movement noise through the register. These high-performance grills look great too, so your system looks as inconspicuous as it sounds.

Maintenance-Free Operation

The German-engineered sealed motor and damper never requires lubrication or maintenance of any type.

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" × 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"

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-4

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

Warranty

15 year limited fan motor warranty. All other components and electrical parts are warranted for 1 year from date of purchase. Warranty excludes batteries.

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
Damper Choice of:
  • R5 Back Draft Damper
  • R10 Cold Weather Damper
  • R50 Extreme Cold Weather Damper

Due to product improvements and equipment upgrades, performance ratings and specifications are subject to change without notice.

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Money Back Guarantee15 Year Limited Warranty

Assembled in the USACaution: Make sure the fan you buy correctly states its airflow rating.