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QUIETCOOL Whole House Fan: Roof Mount, 22 in Blade, 3,543 cfm Max., 2,771 sq ft Coverage - Roof-Mount Whole House Fans
QUIETCOOLRoof-Mount Whole House Fans

QUIETCOOL Whole House Fan: Roof Mount, 22 in Blade, 3,543 cfm Max., 2,771 sq ft Coverage

The QUIETCOOL Whole House Fan: Roof Mount (SKU 787L89, MPN RM WHF-4.0-DG2) is a roof-mount whole house fan with a 22-inch blade, delivering a maximum airflow of 3,543 cfm and coverage of 2,771 sq ft. It operates on…

SKU 3G-OTH-81433

Brand
QUIETCOOL
Item
Whole House Fan: Roof Mount, 22 in Blade, 3,543 cfm Max., 2,771 sq ft Coverage
Category
Roof-Mount Whole House Fans
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Technical Specifications

QUIETCOOL
Manufacturer Part Number
RM WHF-4.0-DG2
Type
2,771 sq ft Coverage, Low Noise
Max.
3,543 cfm
Blade
22 in
Speeds
3
Quiet Design
Yes
Nominal Voltage
115V AC, Single Phase
Number of Speeds
3
Mounting Location
Roof
Nameplate Voltage
120V AC
Rough Opening Type
Square
Speed Controllable
Yes
High-Efficiency Motor
Yes
Motor Efficiency Broad
High-Efficiency Motor
Maximum Airflow - Range
3,000 to 4,999 cfm
For High-Static Pressure Applications
Yes
View Full Spec Sheet

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QUIETCOOL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The QUIETCOOL Whole House Fan: Roof Mount (SKU 787L89, MPN RM WHF-4.0-DG2) is a roof-mount whole house fan with a 22-inch blade, delivering a maximum airflow of 3,543 cfm and coverage of 2,771 sq ft. It operates on 115V AC, single phase (nameplate 120V AC), features three speeds, and is speed controllable. Designed for high-static-pressure applications, it includes a high-efficiency motor and a quiet design, with a square rough opening.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Used in

Common applications for QUIETCOOL
Residential whole-house ventilation — QUIETCOOL QC CL-4700 RF ceiling-mount fan for cooling large homes up to 2,207 sq ft
Attic temperature management — QUIETCOOL AFG SMT ES-3.0 gable-mount fan for attics up to 4,000 sq ft with thermostat control
Solar-powered attic exhaust — QUIETCOOL AFG SLR-40W gable-mount fan for off-grid or energy-saving installations
Garage exhaust ventilation — QUIETCOOL GA ES-1500 garage-mount fan for removing heat and fumes from garages up to 2,300 sq ft
Roof-mounted attic ventilation — QUIETCOOL AFR SMT ES-2.0 roof-mount fan for attics up to 3,000 sq ft with fire safety shutoff

QUIETCOOL Products

3G Electric supplies QUIETCOOL roof-mount whole house fans. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Whole House Fan: Roof Mount, 22 in Blade, 3,543 cfm Max., 2,771 sq ft Coverage, Low Noise, 3 Speeds (MPN RM WHF-4.0-DB). Key specifications — Mounting Location: Roof; Quiet Design: Yes; Speed Controllable: Yes; Rough Opening Type: Square; Brand: QUIETCOOL; For High-Static Pressure Applications: Yes; High-Efficiency Motor: Yes; Nameplate Voltage: 120V AC.
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