Roof Mount Whole House Fan with Damper Box

QuietCool Roof Mount Whole House Fan (with Damper Box) 3,543 CFM. Ideal for homes with limited attic space and have some attic space that is insulated.

Experience the benefits of a whole house fan even if you have limited attic space.

This roof mounted fan is great for applications that cannot use a standard whole house fan such as a manufactured home, home with a flat roof or a home with a sealed attic.

This roof-mounted fan includes one 14" x 30" Damper box, one 20" x 9' duct and one 14" x 30" grille.

This fan requires a minimum attic clearance of 36"  and can cover 1181 to  1771 square feet.

Features:

• 3 speeds
• Includes Duct, Damper Box and Grille
• Ultra Energy Efficient Electronically Commutated Motor (ECM)
• RF Wireless Control Kit Included
• 15 year warranty
• Made in the United States

More Info

Download the Roof Mount Whole house Fan with Damper Box Specification Sheet

Download the Roof Mount Whole house Fan with Damper Box Installation Manual

Includes:  one 14" x 30" Damper box, one 20" x 9' duct and one 14" x 30" grille.

Specifications

• Airflow (CFM): 3543 High/3205 Medium/2878 Low
• HVI-916 Airflow (for CA Title 24 New Construction) (CFM): 2730 High/2390  Medium/ 2100 Low
• Energy Use (Watts): 451  High/316 Medium/219Low
• Speeds: 3
• Covers: 1181 to 1771 square feet
• Minimum Attic Clearance: 36"
• Duct Diameter: 20"
• Duct Length: 9 feet
  
• Dampers: Barometric Pressurized R5 Dampers 14” x 30”
• Motor Head Diameter: 24.75"
• Motor Voltage: 120 Vac, 60 Hz
• Roof Opening: 22" circle
• Framing: Roof Rafter: 24" on center; Ceiling Joist: 24" on center
• Minimum Suggested Attic Venting: None
• Removable Grille Outer Dimension: 16" x 32"
• Ceiling Rough Opening: 14.25" x 30.25"
• Includes:  RM WHF 4.0 fan; 9 foot duct; damper box, removable grille, cut-out template; accessory bag; RF wireless Control Kit
• Warranty: 15 year
• Note - RF Switch and RF Hub have a range restriction of 100 feet