
ROOF MOUNT WHOLE HOUSE FAN FOR FLAT ROOFS
The Roof Mount Whole House Fan Series is our newest and most exciting line of whole house fans. With multiple applications, you can now experience all the benefits of our revolutionary whole house fan with little to no attic space.
- Ultra-Energy Efficient Electronically Commutated Motor
- 219 to 451 watts depending on model
- 2,878 CFM to 4,186 CFM depending on the model.
- Our Roof Mount Damper Grille 2 Whole House Fan is perfect for homes with a flat roof.
- Our Roof Mount Damper Box Whole House Fan is utilized for insulated attics.
- Our Roof Mount Plenum Whole House Fan was designed for homes with no attic space.
Give us a call if you need assistance 1-888-QUIETCOOL
FEATURES
Hover over any unique product piece to learn more about it.

Flashing that prevents water from entering the attic space.Roof Mount Housing/Cover:
Powder-coated steel housing/cover that protects the fan from any outdoor elements.Computer Balanced Fan Blades:
High-Performance fan blades that cut through the air in the most efficient and effective way possible.Ultra-Energy Efficient ECM:
The brush-free Electronic Commutated Motor is the world's most efficient motor which increases up to 70% in efficiency at the lower speeds.Bug Screen:
A screen that keeps out bugs, animals, and unwanted debris from entering into the home.

RM WHF-4.0
CFM Hi: 4,186 / Med: 3,830 / Low: 3,355
Watts Hi: 391 / Med: 284 / Low: 197
Covers up to 1,395 SQFT to 2,093 SQFT
Minimum Attic Clearance: None
Roof Opening 22" Circle
NOTE: Fan Only
Includes: Wireless RF Control Kit

RM WHF-4.0-DG1
CFM Hi: 3,543 / Med: 3,205 / Low: 2,878
Watts Hi: 451 / Med: 316 / Low: 219
Covers up to 1,220 SQFT to 1,831 SQFT
Minimum Attic Clearance: None
Roof Opening 22" Circle
Includes: (1) Fan, (1) 22" x 22" Damper Grille, Wireless RF Control Kit

RM WHF-4.0-DG2
CFM Hi: 3,543 / Med: 3,205 / Low: 2,878
Watts Hi: 451 / Med: 316 / Low: 219
Covers up to 1,220 SQFT to 1,831 SQFT
Minimum Attic Clearance: None
Roof Opening 22" Circle
Includes: (1) Fan, (2) 14" x 14" Damper Grilles, Wireless RF Control Kit

RM WHF-4.0-DB
CFM Hi: 3,543 / Med: 3,205 / Low: 2,878
Watts Hi: 451 / Med: 316 / Low: 219
Covers up to 1,220 SQFT to 1,831 SQFT
Minimum Attic Clearance: 30 in.
Roof Opening 22" Circle
Includes: Fan, Damper Box, Duct, (1) 16” x 32” Grille, Wireless RF Control Kit

RM WHF-4.0-PL
CFM Hi: 3,543 / Med: 3,205 / Low: 2,878
Watts Hi: 451 / Med: 316 / Low: 219
Covers up to 1,220 SQFT to 1,831 SQFT
Minimum Attic Clearance: None
Roof Opening 22.5 in x 22.5 in
Includes: Fan, Plenum Box, (1) 24” x 24” Damper Grille, Wireless RF Control Kit