171 92 7 free shipping.
Roof fan 2000 sq ft.
Smart thermostat with wide range control of 65 130f and an enable disable feature allows you to have more freedom to control the fan the way you want.
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.
Equipped with a powerful 20w adjustable polycrystalline solar panel this fan is ip68 water proof.
Our stylish powder coated steel 30 watt fan will effectively ventilate up to 2500 sq.
Cubic feet per minute is a more definite number.
Attic fans are either gable or roof mounted.
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.
Vent fan location locate roof mounted fans on the back of the roof below the ridge but not so high as to be visible from the front of the house in the middle of the main part of the attic.
This fan calculator is typically used to calculate the cfm or cubic feet per minute of air exchange that may be desired in a building.
17600 cubic feet 1600 11.
Air vent power roof ventilator 14 fan 25 dia.
Of attic space at up to 1550 cfm.
Whether exhausting air or bringing fresh air into a structure the calculation produced should help to figure out the size of fan s required to accomplish the air exchanges needed.
2100 sq ft max.
1500 to 2000 sq ft 4 2000 to 2500 sq ft 2 3000 to.
It s another useful guide but you can t always be sure how the company arrived at that figure.
Broan remote mounted solar powered attic ventilation fan for up to 3200 sq ft.
Broan 1200 cfm roof mount powered attic ventilator for 1715 square feet.
Enter square footage calculate or enter the square footage of the attic or area to be vented.
Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.
Built with a brushless motor it provides up to 2000 sq ft of capacity cooling.
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.
In the winter this fan reduces the risk of ice damming.
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.