Comparable to one half of a 60 watt light bulb! Very Quiet operation, can be installed directly in bedrooms. Works best with multiple fans, and is intended for each bedroom of the home as long as attic and other obstacles allow. Recommended 2 CFM s (cubic feet per minute) per square foot of entire home. i.e.: 3000 sq. ft. would equal an approximate 6000 CFM System.

The QUIETCOOL QC ES-2850 (U.S. Patent #7497774) will help you slash your A/C related electricity costs by 50-90%* and pays for itself faster than any other "green energy" product on the market today.

New in 2011, our "Energy Saver" motors have taken the whole house ventilation industry by storm. The QC ES-2850 is the workhorse of our ES line, yet still draws a puny 177.6 watts while blowing 2850 CFM. Locate this great fan at the top of your stairs and add individual fans in each bedroom for individualized, zoned cooling and take maximum control of your home energy costs.

Specifications

Motor Voltage 120 V. AC, 60 Hz

Energy Use 177.6 Watts

Air Flow 2850 CFM

CFM/Watt- Efficiency Rating 16.0

Square Foot Coverage @ 2 CFM per SQ FT Covers up to 1425 SQ FT

# of Speeds Single Speed

Duct Diameter 16"

Duct Length 6 feet

Motor Head Diameter 16 1/2"

Motor Head Length 19"

Sound Level in Room "Acoustical" 47 db

R Value at Closed Damper R 4.2

Dampers Air Tight Insulated Dampers

Controls Remote Control or Hard Wire Capabilties

Warranty 10 Years

Framing None Required

Fits between "16 or 24" on Center Joists No Joist Cutting Necessary

Minimum Suggested Attic Venting 3.8 SQ FT net free area

Ceiling Rough Opening 14 1/4" X 18 1/4"

Ceiling Grill Outside Dimension 16" x 20"

Ceiling Grill Color White- High Volume Air Flow

Shipping Weight25 Lbs. and 17 Lbs. (two boxes)

Ship Carton Dimensions 24" x 23" x 22" and 21" x 17" x 17" (two boxes)

Ship Carton Cube 7.0 and 3.5 (two boxes)

UL Component UL Listing Numbers

Motor E62815; E62788; E62862

Housing ETL 3171583

Power Cord ETL 3171583