It is important to let the fan breathe in as much air as it needs.
Attic house fan instructions.
To determine how much attic ventilation you need divide the fan s cfm by 750.
Because a whole house fan exhausts stale warm air into the attic a properly sized attic ventilation system is also required to exhaust that air out of the attic.
Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove.
Attic fan installation s that can installation instructions whole house fans and attic owner s adjule thermostat for power attic cool attic 30 in belt drive whole house fan with.
Installing an attic fan step 1.
Even if you will be running the attic fan on low it will be less.
First open enough windows or doors.
Multiply the number of square feet of the floor area you want to cool by the room height from floor to.
Installing the shutter center the front of the automatic shutter over the vent hole make sure the shutter s.
Shop heating and cooling.
Operating an attic fan is simple.
Opening windows on the lowest level helps to ventilate both the lower and upper levels but sometimes stairways doorways and.
Open several windows in your home.
Note that the setscrew is tightened against the flat side of the motor shaft.
If you are using.
6 000 750 8 square feet of attic ventilation needed.
Set the speed control on high speed to start.