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QA- Deluxe 4800 (ECM) High-Efficient Whole House Fan 3209 CFM (HVI-916 Certified Airflow Rating)

QA-Deluxe 4800 high-efficiency whole house fan is for 2-story homes up to 2800 sqft & single story homes up to 1900 sqft and requires about 4.0 sqft of net free attic ventilation. It delivers a powerful 3209 CFM (HVI-916 certified airflow rating). It uses of an energy saving (ECM) electronically commutated motor.

This high-efficiency whole house fan comes with an option of a single speed remote control with timer. You can also upgrade to our three-speed (Hi/Medium/Low) remote with timer & temp control or three-speed (HI/Medium/Low) wall switch and digital timer. (See Additional Control Options Toward Bottom of Page)

IMPORTANT: All CFM ratings for QA-Deluxe 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 

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

Photo of the QA-Deluxe 4800 standing vertically.
QA-Deluxe 4800 More Photos

Sold out until July 2024

Choose fan options to show pricing.

From:$1296.00 $1196.00 Sale!Choose all options above for updated pricing.


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Motor Voltage

120 VAC, 60 Hz

Energy Use

Hi: 491 Watts Low: 246 Watts


6.54 Air Flow Efficiency (CFM/Watts) Hi Speed

Air Flow

3209CFM (HVI-916)

Square Foot Coverage

For 2-Story Homes up to 2800 sq ft & Single Story Homes up to 1900 sq ft

# of Speeds


Duct Diameter


Duct Length

8 Feet

Motor Head Diameter


Motor Head Length

12 1/2”


Hi 51 dBa Low: 49 dBa

Control Choice of:
  • Wired 1 Speed Wall Timer – Compatible with Back Draft Damper
  • Wired 3 Speed Wall Switch with Timer & Temperature – Compatible with All Dampers
  • Wired 2 Speed Low Voltage Wall Switch with Timer – Compatible with All Dampers
  • 1 Speed Smart Wifi Plug – Compatible with Back Draft Damper
  • Wireless 1 Speed Remote Control with Timer – Compatible with Back Draft Damper
  • Wireless 3 Speed Remote Control with Timer – Compatible with Back Draft Damper
  • Wireless 3 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

10 years


None required

Joist Cutting

None required: fits 16” or 24” center

Minimum Suggested Attic Venting

4.5 SQ FT net free area

Ceiling Rough Opening

14” x 28”

Grille Outside Dimension

16” x 30”

Shipping Weight

60 lbs.

Box Dimensions

24”x24”x18” and 20”x20”x30”

In the Boxes

– QA-4800 Motorhead
– Damper Box – Ceiling Grille – 8’ acoustical duct
– Accessory bag



Optional Wall Mount Adapter Choice of:
  • No Adapter required for ceiling installation
  • Vertical Wall Mount Adapter for Wall Installation

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


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Money Back Guarantee 10 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
Back Draft Damper — No Charge

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.

Includes one of the following controls:
Wireless Single Speed Remote Control with Timer
Single Speed Remote Control — No Charge

Plug & Play. No Wires To Run. Just plug into an outlet.

Our wireless whole house fan single speed remote control with timer allows you to operate the fan up to 100 feet away.

Make your system more convenient to use and eliminate the need to cut holes and run wires down the wall with…


Single Speed Wall Timer
Single Speed Wall Timer — No Charge

The single speed whole house fan timer allows you to operate the fan on high speed. Countdown digital wall timer. This wall fan timer fits in a single gang box.


Smart Wi-Fi Control
Smart Wi-Fi Control — No Charge
    • Control your whole house fan from anywhere using your smartphone with this Smart whole house fan control
    • Power on or off. Set schedule and run time
    • Single speed operation. Runs the fan at high speed only.
    • Easy setup with no hub required
    • Smart plug included
    • Compatible with Alexa, Google Assistant…
Upgrade Options
Upgrade your included control to one of these options:
Three-Speed Wall Switch. Temperature, Timer and Speed Control
Three-Speed Wall Switch. Temperature, Timer and Speed Control$97

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


Three Speed Wireless Remote Control with Timer (1-12 hours) QA-4800 only
Three Speed Wireless Remote Control with Timer (1-12 hours) QA-4800 only$99

This wireless 3-speed (High/Med/Low) remote control operates your QA-Deluxe whole house fan using a built-in timer. Wireless remote-control timer sits on a bedroom table or used anywhere in the home. This whole house fan remote control improves Comfort and Energy Efficiency by using a timer to shut off the fan after a pre-determined amount of…


Three-Speed Wireless Remote with Temperature & Timer (1-12 hours)
Three Speed Wireless Remote with Timer and Temperature$197

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 Adapter
Cold Climate Damper (Ceiling or Wall Mount)
Cold Climate Damper (Ceiling or Wall Mount)$225$275
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$69

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