A huge fan for large attics with a shutter vent that really moves some air.
Attic fan 3000 sq ft.
Under 1000 cfm 1 1000 1150 cfm 2 1150 1300 cfm 3.
Attic vent fans are commonly rated from 800 to 1 600 cfm making one fans suitable for attics of up to around 2 200 square feet.
With a drive belt of 2 high speed it can offer an excellent cooling effect at a lower cost.
Determine how much air is being moved figuring out the amount of air exchanges that will occur within a certain time frame with open windows and a whole house attic fan is done by using the measurement of your home in square feet along with the cfm rating of the fan.
Works in a large house with 2 000 to 3 000 square feet of attic space.
Ft home would need a 3000 cfm rated fan to achieve the 1 5 cfm per sq.
Attic x 0 7 700 cfm minimum fan rating.
In the winter this fan reduces the risk of ice damming.
A good traditional attic fan to cool the house at night.
Pulls in fresh air and exhausts hot air from the attic.
It is perfectly designed for a house that is 1800 square feet.
The same home would need a 4000 cfm rated fan to achieve the 2 0 cfm per sq.
Cardinal ventilation 1550 cfm self flashing roof mounted 30 watt solar attic fan ventilates up to 2350 square feet.
The product comes with a 10 year warranty on all parts except the fan motor which is 5 years.
The fan is powder coated and this is to protect it against harsh weather conditions.
Air vent power roof ventilator 14 fan 25 dia.
Our stylish powder coated steel 30 watt fan will effectively ventilate up to 2500 sq.
The cooling attic fan is 24 inches in diameter.
This is the least expensive high quality fan feature for feature available.
Ft of living space.
Larger spaces of course would require larger fans.
Available in 1 finish.
In stock 31 solar powered 25 cfm.
The fan is able to accommodate anywhere from 1 200 to 1 800 square feet of attic space.
Each fan comes with a built in humidistat and thermostat.
Option 2 the breeze effect.
It s perfect for reducing cooling costs as it pulls fresh air from outside and expels warm attic air out through the exhaust vents.
2500 to 3000 sq ft 12 3000 to 3500 sq ft 7 features.
Add an additional 20 cfm x 1 20 if you have a steep roof and 15 cfm x 1 15 for a dark roof.
2100 sq ft max.
Air vent 18 inch dia electric gable vent fan courtesy of home depot.