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QA-Deluxe 3300 Whole House Fan 2425 (HVI-916)

A photo of a fully-assembled QA-3300 whole house fan.
QA-3300 Whole House Fan More Photos

QA-Deluxe 3300 is for 2-story homes up to 1550 sqft & single story homes up to 950 sqft and requires about 2.5 sqft of net free attic ventilation. It delivers a powerful 2425 CFM (HVI-916) certified rating.

It comes with an option of an On/Off remote control with timer, two-speed (Hi/Low) remote with timer & temp control or two speed HI/LOW wall switch and digital timer. (See Control Options Toward Bottom of Page)

All CFM ratings listed for QA-Deluxe have been verified by an independent testing agency authorized by the State of California as meeting the strict (HVI-916) airflow testing standards.

To see how our QA-Deluxe whole house fan compares against the competition click here: QA-Deluxe vs Competition

Choose fan options to show pricing.

Choose a remote control or wall switch for your system.

From:$879.00 $779.00 Sale!

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Motor Voltage

120 VAC, 60 Hz

Energy Use

417 Watts Hi / 380 Watts Low


5.82 Air Flow Efficiciency (CFM/Watts) Hi Speed

Air Flow

2425 CFM (HVI-916)

Square Foot Coverage

2-Story Homes up to 1450 sq ft & Single Story Homes up to 900 sq ft

# of Speeds


Duct Diameter


Duct Length

7 feet

Motor Head Diameter


Motor Head Length

12 1/2"

Sound Level in Room

Hi 51 dB Low: 48 dB

Control Choice of:
  • 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

R5 Back Draft Damper


10 years


None required

Joist Cutting

None required: fits 16” or 24” on center

Minimum Suggested Attic Venting

2.5 SQ FT net free attic ventilation

Ceiling Rough Opening

14” x 20”

Box Dimensions

20”x20”x28” and 20”x20”x20”

In the Boxes

– QA 3.4 Motorhead
– Damper Box – Ceiling Grille – 7’ acoustical duct
– Accessory bag

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


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Money Back Guarantee10 Year Limited Warranty

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

Included (Control & Damper)
Insulated R5 Gravity Backdraft 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.
Wireless Single Speed Remote Control & Timer
Single Speed Remote Control
Plug & Play. No Wires To Run. Just plug into an outlet. Our Wireless Single speed remote control with timer (1, 2, 4, 8 hours or ON) is available for FREE with all CentricAir whole house fans that use the back draft damper. It allows you to operate the fan up to 100 feet away. Make…


Two-Speed Wall Switch & Timer for QA-Deluxe Fans
Two-Speed Wall Switch & Timer
Our wall mounted two speed switch & timer lets you set the speed of your fan and choose when it will shut off.
Upgrade Options
Two Speed Wireless Remote with Timer & Temperature Control
Two Speed Wireless Remote with Timer & Temperature Control
Wirelessly controls whole house fan using built-in timer or by temperature. Wireless remote sits on a bedroom table or used anywhere in the home. Improves Comfort and Energy Efficiency using Temperature Control. Never overcools the home and eliminates homeowner having to get up to adjust a timer. Never wastes energy because fan only runs when…
Optional Third Party Controls
WeMo for Smart Phone
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.
SKU: QA-3300 Deluxe Categories: ,