Attic Fans 1400 Square Feet

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 fans 1400 square feet.

Ventilation area in square feet. The same home would need a 4000 cfm rated fan to achieve the 2 0 cfm per sq. It s another useful guide but you can t always be sure how the company arrived at that figure. 17600 cubic feet 1600 11 what this means is that every eleven minutes the air in the home is being exchanged by a fan of this rating along with having windows open in each room.

Ft home would need a 3000 cfm rated fan to achieve the 1 5 cfm per sq. Net free area in square inches. 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. It features a sturdy galvanized housing and a 3 1 amp motor that provides ventilation for up to 1 600 square feet of attic space.

Attic fans are either gable or roof mounted. Attic area in square feet. Cubic feet per minute is a more definite number. 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.

You need a minimum of 1 square foot of attic air venting for each 750 cfm of air flow. Attic x 0 7 700 cfm minimum fan rating. The following product options will allow you to achieve an intake nfva of 528 square inches. 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.

Add an additional 20 cfm x 1 20 if you have a steep roof and 15 cfm x 1 15 for a dark roof. Allows cool dry air to enter the attic. Quietcool attic fans work almost everywhere almost anytime. Types of attic fans.

2200 square foot home x 8 inch ceiling height 17600 cubic feet divide the cubic feet measurement by the cfm rating assigned to the fan. 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. Choose one of the following products to meet the recommended intake nfva of 528 square inches. Ft of living space.

It also comes with a built in thermostat.