Attic Fans 1400 Square Feet

Attic fans are either gable or roof mounted.

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. Net free area in square inches. It also comes with a built in thermostat. You need a minimum of 1 square foot of attic air venting for each 750 cfm of air flow.

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. Allows cool dry air to enter the attic. 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. Ft of living space.

However a constant flow of air is required to remove the heat that is radiating from your rooms walls ceiling and attic. Types of attic fans. Some manufacturers tell you their fan works in spaces up to 1 000 square feet or from 2 000 to 3 000 square feet for example. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.

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. Choose one of the following products to meet the recommended intake nfva of 528 square inches. Ft home would need a 3000 cfm rated fan to achieve the 1 5 cfm per sq. The following product options will allow you to achieve an intake nfva of 528 square inches.

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. Attic x 0 7 700 cfm minimum fan rating. 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. Cubic feet per minute is a more definite number.

It s another useful guide but you can t always be sure how the company arrived at that figure. Ventilation area in square feet. The same home would need a 4000 cfm rated fan to achieve the 2 0 cfm per sq. Quietcool attic fans work almost everywhere almost anytime.

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.