SKU: 73145957191

Roof Mount Whole House Fan with Damper Box

Sale price$643.05 Regular price$714.50
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Description

Roof Mount Whole House Fan with Damper BoxQuietCool 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"

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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73145957191

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Terri R
Waukegan, US
★★★★★ 5
a life in letters
Format: Kindle
What a moving story. I thought I would be bored reading someone’s correspondence, I was not. This is a well written, interesting and moving book. A life in letters. Loved it.
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Reviewed in the United States on May 28, 2026
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LL
Pawtucket, US
★★★★★ 5
Staying Connected Old School
Format: Kindle
The written word has power. Letter witing creates kindred connection. The Correspondant is a wonderful reminder of both! Full of heart and real life in out world not just smiles and happy moments.
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Reviewed in the United States on May 21, 2026
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FireCapt.
Whiting, US
★★★★★ 5
Beautiful story
Format: Kindle
Loved this book and the way it was written. Written words are a beautiful thing. Highly recommend this book to all
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Reviewed in the United States on May 28, 2026
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Frank Mathews Jr.
Draper, US
★★★★★ 4
Heartwarming & real!
Format: Kindle
Life can be so difficult ...this story is about learning that we all make mistakes along the way, doing the best we can. Its about learning to forgive ourselves. Beautiful.
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Reviewed in the United States on May 24, 2026
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LCD
Port Orchard, US
★★★★★ 5
many feelings
Format: Kindle
I didn’t know what this book was about when I first started reading.. one thing I felt at the beginning was…amazement? I love writing letters, something I don’t do often, I recently bought this beautiful fountain pen, I wanted to start small, writing greeting cards to family and friends, birthday cards, thank yous, etc. what I didn’t expect is the emotional toll this book had on me, and other members of my family who read the book for our book club. The subject matters, death of a child, husband dying of cancer, the significance of May 29th, all impacted our family, and so, as I read this book, I had to put it down several times because I had to cry, compose myself, think of regrets I have, and remember. How amazing it is that Sybil was able to write all about the death of her child to her dead child. I always say that writing it down on paper releases your burden in your head…it is true, I think writing letters, even the ones she didn’t send helped her quiet her head, at least for a while. I truly love this book. I have been borrowing books from Libby to read for our book club for a very long time, there have been books that I fell in love with, and always thought if I want to read them again I’ll just borrow them again, this book is the first one that I want to own physically to put on my shelf and know that I have it to read over and over again when I want to reflect and then quiet my head. ( This is the longest review I’ve written about a book I’ve read, I hope it makes sense).
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Reviewed in the United States on May 21, 2026

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