Quietcool 2014 cfm black galvanized steel electric powered attic fan with adjustable thermostat model afr smt 2 0 399 00 399 00.
Attic fan 7500 cfm.
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Iliving 30 wall mounted shutter exhaust thermostat control 3 speeds vent fan for home attic shed or garage ventilation 5088 cfm 7500 sqf coverage area variable silver 3 4 out of 5 stars 2 315 92 315.
Open up the windows inside the house turn on the fan and it pulls in cooler outdoor air to replace the warm indoor air dumping it into the attic.
New quietcool quietcool 1959 cfm 2 speed gable mount attic fan model afg pro 2 0 109 00 109 00.
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.
Fans are sold on the basis of diameter or the cfm of air they move.
The fans install in the attic above a central hallway.
A 30 inch fan will move 5 700 cfm.
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.