Attic Fan 2000 Sq Ft

Option 2 the breeze effect.

Attic fan 2000 sq ft. Air vent power roof ventilator 14 fan 25 dia. In the winter this fan reduces the risk of ice damming. The same home would need a 4000 cfm rated fan to achieve the 2 0 cfm per sq. 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.

2100 sq ft max. 17600 cubic feet 1600 11. This is the least expensive high quality fan feature for feature available. Powered attic ventilators pavs.

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. 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. Ft home would need a 3000 cfm rated fan to achieve the 1 5 cfm per sq.

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. 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. Powered attic ventilators should provide at least 10 air changes per hour. Multiplying the total square footage of the attic by 0 7 will provide the rate required.

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. Works in a large house with 2 000 to 3 000 square feet of attic space. A huge fan for large attics with a shutter vent that really moves some air. Of attic space at up to 1550 cfm.

Divide that area by 150 to determine the square. A good traditional attic fan to cool the house at night. 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. Our stylish powder coated steel 30 watt fan will effectively ventilate up to 2500 sq.

Ft of living space. At least one window should be open before the fan is operated.