QuietCool QC CL-4700
QuietCool QC CL-4700
QuietCool QC CL-4700
QuietCool QC CL-4700
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QuietCool QC CL-4700
QuietCool QC CL-4700
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QuietCool QC CL-4700
QuietCool QC CL-4700

QuietCool - 4,415 CFM - Classic Advanced Whole House Fan


QC CL-4700

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QuietCool - 4,415 CFM - Classic Advanced Whole House Fan
QuietCool - 4,415 CFM - Classic Advanced Whole House Fan
Model: QC CL-4700
Product Q&A
How-To Articles

Recommended Accessories

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Expert Recommended Accessories Selected by Chris, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10


Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."
    The QC CL-4700 advanced whole house fan is a new take on the idea of whole house ventilation. Whole house ventilation allows you to bring the cooler outdoor air through your windows, home, and attic space to thoroughly cool and ventilate both the home and attic. This is what allows your home to stay cooler the next day and resist heating up as much as it would if you only ran the AC to cool the home. The QuietCool QC CL-4700 is designed to be installed centrally in midsize homes. Simply open a window when you get home from work, flip on the QuietCool, and enjoy a peaceful and cool evening relaxing. And for an even better system, purchase another smaller QuietCool unit for your master bedroom to enjoy a full range of cooling and ventilation.
  • Never run your A/C at night again!
  • QuietCool works perfectly at night when the temperature drops, mass-cooling your home without the use of A/C. By mass cooling your home at night it will remain cooler during the day.
  • Save up to 50-90% off A/C Usage
  • QuietCool advanced whole house fans use and improve upon the principle of ventilation cooling with savings of up to 50-90% off traditional cooling methods such as A/C. The more you use your QuietCool whole house fan, the less you need to use your A/C.
  • American Quality
  • QuietCool is proudly designed and built in the USA with a 98% customer satisfaction rate.
  • Innovative Design
  • Zero noise vibration for quiet operation, efficient split capacitor motors to save you money, and R5 Insulated Damper System to ensure no heating/cooling loss between home and attic.
  • High Efficiency Motor
  • 591-watt, 2-speed PSC motor ensures efficient operation and airflow, fully exchanging air in the room every 3-5 minutes.
  • Attic Venting
  • 6.2 sq. ft. of net free attic venting required for proper ventilation.
  • Product Note
    The CFM rating per HVI-916 for this model is 3230 CFM.


QC CL-4700
specs product image PID-65444
General Information
Circulation Fan
Product Line
Blower Motor
Maximum Air Flow
4415 CFM
Maximum Sound Level Learn More
51 dB
Duct Run
9 Feet
Electrical Data
120 Volts
Power Consumption
551 Watts
60 Hz
Duct Connection
18 Inches
Product Height
24 Inches
Product Width
18 Inches
Product Length
13 3/4 Inches
Product Weight
64 Pounds
UL Listed
Warranty Information
Warranty Learn More
10 Years


QuietCool QC CL-4700 Reviews & Ratings

Product Q&A

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Product Questions Answered by Chris, the eComfort Product Expert
How do I decide the size unit I need based on the size of my house? Not sure what you mean by a "mid-sized" house.
Phil W. 
from Ohio 
August 16, 2018
Can this unit be installed at the top of a high wall (18ft) and vent into the attic instead of in a ceiling?
Edward G. 
from Rhode Island 
August 05, 2016
How is cold winter air insulated from entering your home through the fan? Is there an insulation rating?
from Utah 
June 23, 2016
I have a vaulted ceiling. 8' at lowest and 10' at highest. Not much of a pitch. Question. Can I mount the damper box on that pitch. As long as I mount it in a fashion that the flapper will want to stay closed
Dave A. 
from Michigan 
May 27, 2016

How-To Articles

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eComfort How-To Library
eComfort How-To Library
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QuietCool - 4,415 CFM - Classic Advanced Whole House Fan
QuietCool QC CL-4700
QuietCool QC CL-4700
QuietCool QC CL-4700
QuietCool QC CL-4700
QuietCool QC CL-4700
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