The same home would need a 4000 cfm rated fan to achieve the 2 0 cfm per sq.
Attic fan 3000 sq ft.
If you need 6 000 cfm of air flow through your house divide 6 000 by 750 to get a minimum 8 square feet of attic venting.
Add an additional 20 cfm x 1 20 if you have a steep roof and 15 cfm x 1 15 for a dark roof.
That translates to one attic vent 3 feet by 3 feet or two attic vents.
Whole house fan 3000 kit.
The product comes with a 10 year warranty on all parts except the fan motor which is 5 years.
Includes fan assembly damper box assembly fastener kit grill remote control and ducting.
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.
Attic x 0 7 700 cfm minimum fan rating.
Quietcool attic fans work almost everywhere almost anytime.
Ft home would need a 3000 cfm rated fan to achieve the 1 5 cfm per sq.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
However a constant flow of air is required to remove the heat that is radiating from your rooms walls ceiling and attic.
Ft of living space.