Attic Exhaust Fan Cfm

However the utility of attic ventilation fans is actually quite a controversial topic.

Attic exhaust fan cfm.

Minimum intake air vent size cfm 300 sq ft. Attic fan size chart for quick reference. Intake air vent size. Add an additional 20 cfm x 1 20 if you have a steep roof and 15 cfm x 1 15 for a dark roof.

Good insulation reduces fan effectiveness. Iliving 16 wall mounted exhaust fan automatic shutter variable speed vent fan for home attic shed or garage ventilation 1200 cfm 1800 sqf coverage area 4 6 out of 5 stars 521 109 77 109. So here the cfm of the fan cfm x 1 15. It mounts easily in the gable of your home.

Cubic feet per minute or cfm is the amount of cubic feet of air per minute the fan moves. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. Quietcool attic fans work almost everywhere almost anytime. Iliving 14 wall mounted shutter exhaust thermostat control 3 speeds vent fan for home attic shed or garage ventilation 850 cfm 1300 sqf coverage area variable silver 4 8 out of 5 stars 57 112 95 112.

Having an understanding of this makes choosing the correct fan size for your home an easier process. For the exhaust to work properly the attic should have enough intake air vents. Quietcool smart 2830 cfm power gable mount attic fan at amazon this model is our top pick for its ease of use simple installation and maximum energy efficiency best budget. Iliving 800 cfm shutter exhaust fan at amazon this fan can easily remove excess heat moisture and odor from any space up to 1 200 square feet.

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. Ventamatic 1600 cfm power attic ventilator gable mount it features a 4 6 amp thermally protected motor a galvanized steel flange and an automatic adjustable thermostat. The 537 cfm fan is capable of moving plenty of air through an. If your attic requires a 1500 cfm fan then it should also have a 1500 300 5 sq ft air vent.

Whole house fans come in a variety of sizes determined by the amount of air they circulate or whole house fan cfm. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. The downside of attic ventilation fans. Attic x 0 7 700 cfm minimum fan rating.