CentricAir 3.4 Whole House Fan 3242 CFM (HVI-916)

The CentricAir 3.4 whole house fan delivers a powerful 3242 (HVI-916) and requires about 4.0 sq. ft. of net free attic ventilation. It uses 380 WATTS of power and costs about $0.05 per hour to operate. It’s designed for two story homes up to 3400 sq. ft. and single story homes up to 2500 sq. ft.

CentricAir whole house fans use a German engineered fan that is 30% more powerful and uses 1/3 less energy than other industry fans. These energy efficient fans are rated for 40,000 hours of operation and come with a 15-year warranty.

Provided with the system is a gravity backdraft damper, acoustical ductwork, custom high airflow register, on/off remote control or wall switch & timer and all necessary hardware. Also available with select CentricAir whole house fans are our exclusive two-speed remote control with timer and cold climate damper. (See included and upgrade options below)

Options & Ordering

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Select Your Control:

Choose a remote control or wall switch for your system.

Select Your Damper:

Need a professional to install your whole house fan?

Features & Benefits

Exceptional Power, Extremely Energy Efficient!

The CentricAir 3.4 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% more power while using 1/3 less energy as compared to other industry standard fans.

Extreme Engineering - Built To Last, Extremely Low Noise

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 52 dBA on high, the 3.4 is whisper 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 3.4 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 3.4 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.

Specifications

Airflow:: 3242 actual CFM (max); 2409 CFM low speed
Fan:: 18-inch, industrial-grade motorized impeller
Energy use:: 380 Watts
Efficiency:: 8.49 CFM/Watt (max)
Acoustical:: 51 Decibals (dBA); 49 dBA low speed
Attic seal:: Industrial-grade maintenance free damper
Insulation:: R-10 (cold climate damper only)
Control:: Remote control or wall switch
Grille:: Low profile, hi-air flow, cube-core aluminum (white)
Installation:: Fits in between 16" on center joists
Rough opening:: 14" × 26"
Required attic venting:: 4.0 sq. ft. net-free
Grille size (outer):: 16" x 28"
Damper box size:: 27" × 14" × 13.75" (L × W × H)
Unit weight:: 52 lbs total
Electrical:: 120 VAC, 60 Hz
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.

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

Photos

The Centric Air fan mounted on its damper box

High-flow grille is designed to minimize noise from air movement

The Cold Weather damper viewed from the bottom

The Cold Weather Damper viewed from the top

The Gravity Damper when Closed

Gravity Damper

A photo of the Two Speed Remote Control with Timer

Centric Air 2-Speed Remote Control with Timer

Single Speed Remote Control

Two-Speed Wall Switch

Timer for use with the Two-Speed Wall Switch or alone as the Single-Speed Wall Timer

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Included (Control & Damper)

Back Draft Damper

Industrial grade gravity fed back draft damper requires no power and is standard with all CentricAir whole house fans. The R5 insulated gravity damper is designed keep attic air from entering the living space when the whole house fan is not in use.

Single Speed Remote Control

Our Wireless Single speed remote control is available for FREE with all CentricAir whole house fans. It allows you to operate the fan up to 100 feet away. Make your whole house fan more convenient to use and eliminate the need to cut holes and run wires down the wall with a wireless remote control. (Not…

Single Speed Wall Timer

The Single Speed Timer allows you to operate the fan on high speed and also choose how long to run your fan (1, 2, 4, 8 hours or HOLD).

Upgrade Options

Wireless Two Speed Remote Control & Timer

The CentricAir model CA1248 is a wireless two speed remote control with timer. It features an LED display so you can clearly see what speed your whole house fan is set to (HI/LOW) and how many hours (1, 2, 4, 8 hours or ON) it is set to run.

Two Speed Wall Switch with Timer

Our wall mounted two speed switch & timer lets you set the speed of your fan and choose when it will shut off.

Cold Climate Damper (Ceiling or Wall Mount)

Cold Weather Damper

Designed for cold climates, the Cold Climate Damper (available with 2.7, 3.4, & 4.0 models only) is powered by a heavy-duty actuator that is tested to 60,000 cycles. The damper door is insulated to R-10, (upgradable to R-50), to help ensure an air tight seal whenever your whole house fan is not in use. The damper can be installed vertically or horizontally.

Optional Third Party Controls

WeMo for Smart Phone

The Wi-Fi enabled WeMo Insight Switch connects your whole house fan to your Wi-Fi network, allowing you to turn the system on or off from your smart phone. To install WeMo Insight, simply plug the Switch into an outlet in your attic and then plug your whole house fan into the switch. WeMo is a third party device and is not sold or supported by CentricAir.

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