QUIETCOOL RM WHF-4.0-DG2 Roof-Mount Whole House Fan
The QUIETCOOL Whole House Fan: Roof Mount (SKU RM WHF-4.0-DG2, 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…
SKU 3G-OTH-81433
Also listed as: RMWHF40DG2 · RM WHF 4 0 DG2 · RM-WHF-4-0-DG2
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The QUIETCOOL Whole House Fan: Roof Mount (SKU RM WHF-4.0-DG2, 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.
Frequently Asked Questions
What is the QUIETCOOL roof-mount whole house fan used for?
The QUIETCOOL RM WHF-4.0-DG2 roof-mount whole house fan is designed to ventilate residential or commercial spaces up to 2,771 sq ft. It exhausts hot indoor air through the roof, drawing in cooler outside air, reducing reliance on air conditioning. Its high-static-pressure capability suits ducted or restricted installations.
What are the specifications of the QUIETCOOL RM WHF-4.0-DG2?
This QUIETCOOL fan has a 22-inch blade, maximum airflow of 3,543 cfm, and covers 2,771 sq ft. It operates on 115V AC single phase (nameplate 120V AC), offers three speeds, and is speed controllable. Features include a high-efficiency motor, quiet design, and square rough opening for roof mounting.
Where to buy the QUIETCOOL RM WHF-4.0-DG2 worldwide?
3G Electric supplies the QUIETCOOL RM WHF-4.0-DG2 roof-mount whole house fan to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a shipping quote to your region.
How to install a QUIETCOOL roof-mount whole house fan?
Install the QUIETCOOL RM WHF-4.0-DG2 by cutting a square rough opening in the roof, securing the fan housing, and sealing against leaks. Wire the 115V AC single-phase motor per local codes, using a speed controller if desired. Ensure attic ventilation is adequate for the 3,543 cfm airflow.
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Common applications for QUIETCOOLQUIETCOOL 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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Compatible alternatives & equivalents
- QUIETCOOL Ceiling-mount whole house fan with 24-inch blade delivering up to 6,924 cfm for spaces up to 3,462 sq ft. Features a round duct shape, rectangular rough opening, and two-speed control for high-static pressure applications. Operates on 115V AC single-phase power with a standard-efficiency motor and quiet design
- QUIETCOOL Ceiling-mount whole house fan with 18 in blade, delivering up to 4,195 cfm for coverage of 2,098 sq ft. Features a high-efficiency motor, two speeds, and speed controllability. Operates on 115V AC single phase (nameplate 120V AC) and is designed for high-static-pressure applications. Suitable for ventilating residential spaces with long or restricted duct runs