Attic Fans 1200 Square Feet

The fan is able to accommodate anywhere from 1 200 to 1 800 square feet of attic space.

Attic fans 1200 square feet.

Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. Net free area in square inches. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Next multiply the 4 square feet into cubic inches.

If your roof is 1200 sq ft soffit floor space you will need 4 sq feet of roof ventilation. Attic x 0 7 700 cfm minimum fan rating. 1 cubic foot is 12 x 12 144 cubic inches. Ventilation area in square feet.

It s perfect for reducing cooling costs as it pulls fresh air from outside and expels warm attic air out through the exhaust vents. 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. An attic fan used for venting pushes the hot air out the roof space so if it isn t replaced from outdoors you get depressurization. I read that venting is important.

Attic area in square feet. You d need an attic fan rated at approximately 720 cfm. Add an additional 20 cfm x 1 20 if you have a steep roof and 15 cfm x 1 15 for a dark roof. Step 5 add together the square footage values of the square rectangular and triangular floor areas to find the total square footage of your attic.

Types of attic fans. For example if the base is 12 feet and the height is 10 feet the square footage is 6 x 10 60 feet. And a 3 1 amp motor that provides ventilation for up to 1 600 square feet of attic. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.

If you have 1 200 cubic feet of attic the calculation is 1 200 x 0 6 720. Quietcool attic fans work almost everywhere almost anytime.