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How Do I Get My Fan Installed?

Installation is straightforward and simple. Ideally if you are handy you can install the fans yourself and have them wired by a licensed electrician or simply plug them in.  Normally any handyman, electrician or contractor can install a whole house fan.

How Do QuietCool Fans Work?

Because heat rises, the rooms upstairs and especially your attic is generally much hotter than the rest of your home.  This hot air acts like a heating blanket that keeps your entire home hot, even into the cool evening hours.

QuietCool Fans remove the hot and stale air from your entire home and replaces it with cool outside air.  The fans Quietly pull the cool air into the home through several opened windows.  As the air circulates, the fans suck the air up into your attic.  This creates a positive pressure in the attic causing the hot air to be pushed out your attic through the existing attic vents.  This continuous circulation of air not only cools your attic, but also cools your entire living space.  You can actually feet a cool breeze of air.

The motors and flexible ducting for the QuietCool Fans are installed in your attic space so the only thing visible from inside your home is an attractive, white ceiling grille and a switch & timer on the wall.  We recommend installing smaller fans (like the QC-1500, QC ES-1500, QC ES-2250 or the QC-2250) in each of your occupied bedrooms and a larger QuietCool fan in the hallway.  Yes, you can sleep with the QuietCools running on warm summer nights.

Utility companies report that the installation of a whole house fan can cut some air conditioning bills in half!

QuietCool Fans Are Truly Amazing! They Are Maintenance Free and Come With A 10 Year Warranty!

Order Your QuietCool Fans Today!

QC CL-4700 Whole House Fan 2 Speed Capable 4,505 CFM High

QC CL-4700
QC CL-4700QC CL-4700 installs in atticcl qc--4700 showing internal damper closeddamper opens when fan is running
MSRP: $1,168.00
Price: $1,049.00
You Save: $119.00 (10 %)
free shipping

The QC CL-4700 fan provides airflow of Hi: 4505 CFM and Low: 3598 CFM. This powerful whole house fan is able to cool up to 2,250 square feet.

The QuietCool 4700 is the second most powerful single motor fan in the Classic Line behind the 5400 models.  Moving a tremendous amount of air flow is no problem for this quiet and powerful QuietCool QC CL-4700 fan.  This is the right fan to install in a large room, den, family room or hallway.  Use this fan in addition to smaller QuietCool fans such as individual bedroom fans (QC-1500 or QC-2250) to attain the correct air flow for your home and for zoned cooling control. The correct total CFM or air flow for a home should be approximately 2-3 times your total square footage.

We recommend wiring your fans to a the QuietCool WiFi Hub. This will allow you to control your fans from your SmartPhone or I-Pad. Using the Wi-Fi hub and Free control app download is easier to install and gives you greater control over your fans. You will need to install a WiFi Hub on each of your fan motors.  Using the WiFi Hub also simplifies the installation process since wires will not have to be pulled to the wall switch.  If you prefer to use the traditional wall mounted controls and switch, we recommend the Electronic Timer and Two Speed Switch

FREE Shipping On This Item: Up To A $150.00 Value!

Download The Classic Line Installation Guide(.pdf)qc-3100 fan manual 

Download QuietCool Product Information Sheet (.pdf)qc-3100 fan manual 

Optional Accessories:

For cold weather locations increase your insulation value from R-5 to R-40 with the optional winter grille & insert kit item # WI-KIT-1430

For the optional method of mounting the ceiling box on a vertical wall (instead of the normal ceiling location), you will need to order a vertical wall adapter. This fan uses the 14" x 26" Vertical Wall Adapter. VA-1430

Classic CL-4700 Advanced Direct Drive Whole House Fan with Dampers

QC CL-4700 Specifications:

Motor Voltage 120 VAC, 60 Hz

Energy Use Hi: 632 Watts Low: 459 Watts

Air Flow Hi: 4505 CFM Low: 3598 CFM

Square Foot Coverage @ 2 CFM per SQ FT Covers up to 2250 SQ FT

# of Speeds 2

Duct Diameter 18"

Duct Length 9 feet

Motor Head Diameter 18 1/2"

Motor Head Length 13 1/2"

Sound Level in Room (measured 1m from grille) Hi: 51 dB Low: 48 dB

Dampers Barometric Pressurized R5 Dampers

Controls (not included) 8 Hour Electronic Timer and HI-LOW-OFF Switch or

Wi-Fi Smart Control (not included)

Warranty 10 Years

Framing None required

Joist Cutting None required; fits 16” or 24” on center

Minimum Suggested Attic Venting 6.0 SQ FT net free area

Ceiling Rough Opening 14 1/4" X 30 1/4"

Removable Grille Outside Dimension 16" x 32"

Shipping Weight 64 lbs.

Box Dimensions 40" x 22" x 36"

In the Box: - QC CL-4700 Motorhead - Damper Box - Ceiling Grille - 9 foot duct - Cut-out template - Accessory bag - Window locks

Item Number: QC CL-4700
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Whole House Fan Reviews

Rate This Product:
or Create a Review
(7 Ratings, 2 Reviews) Average Rating:
Best ever, should have bought years ago!
John V (So Cal Lake Elsinore) 7/6/2014 4:16 PM
With So California hot days, but cool evenings this Quiet Cool whole house fan is a great option compared to an expensive air conditioner. It gets that hot air out of the attic fast then cool air from outside is great. I added a timer a year later because tired of getting up in the middle of the night to shut down because air outside is too cool. I hear all my neighbors air compressors, but my house is cool. I still need a light blanket on in the middle of summer, saved at least a couple hundred every month on my electric bill!!
A must have!!!!
Josh (Abilia) 5/1/2013 9:45 PM
I ordered this and I received it with in two business days. The fan was a breeze to install, took about 2 hours by myself. The first evening we ran it we got to cold and had to turn it off within 30 min. I have had a traditional whole house fan, the helicopter one from home depot I am so glad I found this product. This fan is whisper quiet, I cant hear it unless I am 10 feet away. I would Highly recommend this to anyone.

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Sizing Guidelines:

Basic Level
Of Cooling: Calculate approximately 2.0
to 2.5 CFM Per Square Feet Of Living Space

Best Level Of Cooling: Calculate approximately 2.5 to 3.0 CFM Per Square Feet Of Living Space

More On System Sizing -
Buying the right sized QuietCool system is important to maximum cooling and ventilating efficiency.  It is strongly recommended that you install fans that have between 2-3 times your home’s square footage in total CFM of airflow.

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