The attic exhaust vents and intake vents become exhaust outlets for the air the fan dumps into the attic while the unit is running.
Attic fan 7500 cfm.
For example a typical 36 inch diameter whole house fan will move 6 900 cfm of air.
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.
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.
Fans are sold on the basis of diameter or the cfm of air they move.
New quietcool quietcool 1959 cfm 2 speed gable mount attic fan model afg pro 2 0 109 00 109 00.
More options available.
Quietcool 2014 cfm black galvanized steel electric powered attic fan with adjustable thermostat model afr smt 2 0 399 00 399 00.
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The fans install in the attic above a central hallway.
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 4 4 out of 5 stars 25 357 57 357.