Solar Fan CFM Calculator - Calculate the CFM needed for your home.

.

Attic Configuration

Attic Area: 500 sq. ft. 600 sq. ft. 700 sq. ft. 800 sq. ft. 900 sq. ft. 1,000 sq. ft. 1,100 sq. ft. 1,200 sq. ft. 1,300 sq. ft. 1,400 sq. ft. 1,500 sq. ft. 1,600 sq. ft. 1,700 sq. ft. 1,800 sq. ft. 1,900 sq. ft. 2,000 sq. ft. 2,100 sq. ft. 2,200 sq. ft. 2,300 sq. ft. 2,400 sq. ft. 2,500 sq. ft. 2,600 sq. ft. 2,700 sq. ft. 2,800 sq. ft. 2,900 sq. ft. 3,000 sq. ft. 3,100 sq. ft. 3,200 sq. ft. 3,300 sq. ft. 3,400 sq. ft. 3,500 sq. ft. 3,600 sq. ft. 3,700 sq. ft. 3,800 sq. ft. 3,900 sq. ft. 4,000 sq. ft. 4,100 sq. ft. 4,200 sq. ft. 4,300 sq. ft. 4,400 sq. ft. 4,500 sq. ft. 4,600 sq. ft. 4,700 sq. ft. 4,800 sq. ft. 4,900 sq. ft. 5,000 sq. ft. 5,100 sq. ft. 5,200 sq. ft. 5,300 sq. ft. 5,400 sq. ft. 5,500 sq. ft. 5,600 sq. ft. 5,700 sq. ft. 5,800 sq. ft. 5,900 sq. ft. 6,000 sq. ft. 6,100 sq. ft. 6,200 sq. ft. 6,300 sq. ft. 6,400 sq. ft. 6,500 sq. ft. 6,600 sq. ft. 6,700 sq. ft. 6,800 sq. ft. 6,900 sq. ft. 7,000 sq. ft. 7,100 sq. ft. 7,200 sq. ft. 7,300 sq. ft. 7,400 sq. ft. 7,500 sq. ft. 7,600 sq. ft. 7,700 sq. ft. 7,800 sq. ft. 7,900 sq. ft. 8,000 sq. ft. 8,100 sq. ft. 8,200 sq. ft. 8,300 sq. ft. 8,400 sq. ft. 8,500 sq. ft. 8,600 sq. ft. 8,700 sq. ft. 8,800 sq. ft. 8,900 sq. ft. 9,000 sq. ft. 9,100 sq. ft. 9,200 sq. ft. 9,300 sq. ft. 9,400 sq. ft. 9,500 sq. ft. 9,600 sq. ft. 9,700 sq. ft. 9,800 sq. ft. 9,900 sq. ft. 10,000 sq. ft.
Attic Height: 2 ft. 3 ft. 4 ft. 5 ft. 6 ft. 7 ft. 8 ft. 9 ft. 10 ft. 11 ft. 12 ft. 13 ft. 14 ft. 15 ft. 16 ft. 17 ft. 18 ft. 19 ft. 20 ft. 21 ft. 22 ft. 23 ft. 24 ft.
Roof Construction: Gable Hip
Roof Color: Dark (black, gray, brown) Light (white, tan, etc)

Required CFM:

Use our chart to determine the # of solar fans required for optimal energy efficiency.