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