Calculate the appropriate size of a whole house fan needed to properly ventilate your home.
Attic house fan instructions.
Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove.
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.
Opening windows on the lowest level helps to ventilate both the lower and upper levels but sometimes stairways doorways and.
If you are using.
Open several windows in your home.
Installing an attic fan step 1.
Note that the setscrew is tightened against the flat side of the motor shaft.
First open enough windows or doors.
Shop heating and cooling.
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 the shutter center the front of the automatic shutter over the vent hole make sure the shutter s.
Multiply the number of square feet of the floor area you want to cool by the room height from floor to.
To determine how much attic ventilation you need divide the fan s cfm by 750.
In order for the whole house fan to work properly adequate ventilation is needed to exhaust the hot air from the attic that the fan pulls into the attic from your home s living space.
It is important to let the fan breathe in as much air as it needs.
If your attic is not shaft and put it aside to prevent it from being damaged.
Set the speed control on high speed to start.