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CentricAir 4.0 (ECM) High Efficiency Motor (4164 CFM)

CentricAir 4.0 (ECM) High-Efficiency Motor energy-efficient whole house fan delivers a powerful 4164 CFM (HVI-916 certified airflow rating). This CentricAir whole house fan requires about 5.5 sqft of net free attic ventilation and costs about $0.12 per hour to operate. It uses 749 WATTS of power on HI and even less on Low and Medium speeds and is designed to cool 2-story homes up to 4400 sqft and 1-story homes up to 3000 sqft.

This 4164 CFM whole house fan comes with a 3-speed low voltage temperature and timer wall switch. You can also upgrade your 4164 CFM ECM motor fan with our three-speed (Hi/Low) remote with timer & temp control. Also available with select CentricAir products is our exclusive cold climate damper. (See Included & Upgrade Options Below)

IMPORTANT: All CFM ratings for CentricAir have been verified by an independent testing agency authorized by the State of California as meeting the strict (HVI-916) standard. When comparing CFM (airflow) ratings against similar style whole house fans, it is important to compare the HVI-916 CFM certified airflow rating. This is the true apple to apples comparison. The following link is to the CA.Gov website and allows you to search a company’s Brand to see their products HVI-916 CFM rating  CA.Gov 

A photo of the CentricAir 4.0 ECM Whole House Fan showing the fan blades.
CentricAir 4.0 (ECM) High Efficiency Motor Fan Blades More Photos

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From:$1946.00Choose all options above for updated pricing.

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Exceptional Power, Extremely Energy Efficient!

The CentricAir 4.0 (ECM) High Efficiency Motor 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 49 dBA on high, the 4.0 (ECM) High Efficiency Motor 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 (ECM) High Efficiency Motor 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

4146 CFM (HVI-916)

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

5.5 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

Control Choice of:
  • Wired 3 Speed Low Voltage Wall Switch with Timer & Temperature for ECM CentricAir Fans – Compatible with All Dampers
  • Wireless 3 Speed Plug and Play Remote Control with Timer & Temperature for ECM CentricAir Fans – Compatible with All Dampers
Insulation

R-5 or R-10 (cold weather damper ) or R-50 (extreme cold weather damper)

Attic seal

Industrial-grade maintenance free damper

Acoustical

49 Decibels (dBA); 47 dBA low speed

Efficiency

5.54 CFM/Watt (max)

Energy use

749 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.

Damper Choice of:
  • R5 Back Draft Damper
  • R10 Cold Weather Damper
  • R50 Extreme Cold Weather Damper
Optional Wall Mount Adapter Choice of:
  • No Adapter required for ceiling installation
  • Vertical Wall Mount Adapter for Wall Installation
Brand

CentricAir

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

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Money Back Guarantee 15 Year Limited Warranty Assembled in the USA Caution: Make sure the fan you buy correctly states its airflow rating.
Included (Control & Damper)
Insulated R5 Gravity Backdraft Damper
Insulated R5 Gravity Backdraft Damper

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

Three-Speed Wall Switch. Temperature, Timer and Speed Control
Three-Speed Wall Switch. Temperature, Timer and Speed Control

Three-speed wall switch with 50' Cable. Temperature, Timer and Speed Control. Improves Comfort and Energy Efficiency. Plug & Play Connection. Eliminates Installing and Wiring Line Voltage Timer and Speed Switch.

  • 3-speed wall control available with QA-Deluxe 4800 (ECM) whole house fan only
Upgrade Options
Upgrade Your Control
Three-Speed Wireless Remote with Temperature & Timer (1-12 hours)
Three-Speed Wireless Remote with Temperature & Timer (1-12 hours)

Wirelessly controls whole house fan using built-in timer or by temperature and can be operated from anywhere in the home. Never overcools the home and eliminates homeowner having to get up to adjust a timer. Never wastes energy because fan only runs when needed. Simple and Fast Installation - Eliminates wiring and installing a timer…

Upgrade or Wall Mount Your Damper
Cold Climate Damper (Ceiling or Wall Mount)
Cold Climate Damper (Ceiling or Wall Mount)
Designed for cold climates, the Cold Climate Damper (available with CentricAir 2.7, 3.4, & 4.0 and QA-Deluxe 4800, 5500 and 6500 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 air damper can be installed vertically or horizontally.
Vertical Wall Mount Adapter
Vertical Wall Mount Adapter

Compatible with our back draft damper, the Vertical Wall Mount Adapter lets you mount the gravity damper on a wall instead of the ceiling.