Attic House Fan Instructions

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Attic house fan instructions.

Shop heating and cooling. 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. Multiply the number of square feet of the floor area you want to cool by the room height from floor to.

First open enough windows or doors. If you are using. Even if you will be running the attic fan on low it will be less. Installing the shutter center the front of the automatic shutter over the vent hole make sure the shutter s.

Installing an attic fan step 1. If your attic is not shaft and put it aside to prevent it from being damaged. Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove. It is important to let the fan breathe in as much air as it needs.

To determine how much attic ventilation you need divide the fan s cfm by 750. Open several windows in your home. Set the speed control on high speed to start. Note that the setscrew is tightened against the flat side of the motor shaft.

6 000 750 8 square feet of attic ventilation needed.