Attic Fan 2000 Sq Ft

Powered attic ventilators pavs.

Attic fan 2000 sq ft.

Ft home would need a 3000 cfm rated fan to achieve the 1 5 cfm per sq. 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. The company that did the house energy efficiency test said there were no govenment guidelines to size an attic fan and the websites that sell attic fans have calculators but since they sell attic fans i don t know how reliable they are. Option 2 the breeze effect.

Of attic space at up to 1550 cfm. Ft of living space. If you ve got access to your attic s gables iliving s gable mount fan is a great option for moving some air without having to cut a hole in your roof. Our stylish powder coated steel 30 watt fan will effectively ventilate up to 2500 sq.

Each fan comes with a built in humidistat and thermostat. A huge fan for large attics with a shutter vent that really moves some air. 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. 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.

Air vent power roof ventilator 14 fan 25 dia. Divide that area by 150 to determine the square. 17600 cubic feet 1600 11. Multiplying the total square footage of the attic by 0 7 will provide the rate required.

A good traditional attic fan to cool the house at night. Works in a large house with 2 000 to 3 000 square feet of attic space. Pulls in fresh air and exhausts hot air from the attic. Attic x 0 7 700 cfm minimum fan rating add an additional 20 cfm x 1 20 if you have a steep roof and 15 cfm x 1 15 for a dark roof.

In the winter this fan reduces the risk of ice damming. 2100 sq ft max. Our house is 2000 sq ft with cathedral ceilings in the living areas and 8 ft in the bedrooms. 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.

Powered attic ventilators should provide at least 10 air changes per hour. The same home would need a 4000 cfm rated fan to achieve the 2 0 cfm per sq.