Item # bci3415131

QuietCool 6878 CFM Two Speed Whole House Exhaust Fan from the Energy Saver Series

Model: QC ES-7000

Finish: Choose Finish
  • White
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Product Overview

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  • Perfect for larger size homes, install this fan at the top of the stairs, turn the motor on and watch the interior temperature of your home plummet in just minutes
  • Energy Saver Classic fans include an electronically commutated AC/DC brushless motor. Known as “ECM” motors, these motors offer ultra-high efficiency with very high CFM/Watt ratios. All Energy Saver Classic fans operate on low wattage and low amperage
  • Single fan operates at 6878 CFM on high, creating powerful cooling operation
  • Can help you slash your A/C related electricity costs by up to 90% and pays for itself faster than any other green energy product on the market today
  • Unit carries a 10 year manufacturer's warranty
  • HVI-916 airflow rate for California: 5170 CFM


  • CFM: 4304, 6878
  • Duct Diameter: 24"
  • Grille Length: 16"
  • Grille Width: 38"
  • Material: Steel
  • Max Ventilation Area: 3440 Sq. Ft.
  • Product Weight: 109 lbs
  • Rough Opening Length: 14-1/4"
  • Rough Opening Width: 36-1/4"
  • Voltage: 120
  • Wattage: 164, 727

This product is listed under the following manufacturer number(s):

Dimensions and Measurements

6878, 4304
Duct Size
24" Round
Grille Height
16 in.
Grille Width
38 in.
29 in.
41 in.
Max Ventilation Area
3440 sq. ft.
Maximum Vent Length
9 ft.
Product Weight
108 lbs.
28 in.

Characteristics and Features

Fan Type
Whole House Fan

Electrical and Operational Information

60 Hertz
164, 727

Warranty and Product Information

Manufacturer Warranty
10 Year Limited