Turn off electricity at the main fuse box or circuit breaker box that controls the power to the fixture or the room you re working on.
Attic fan basics.
You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.
As the attic space warms up from the irradiation of the sun the ventilation port opens wider to allow the solar fan to move more warm stale air out of the attic area.
Attic ventilation serves two main functions.
A fan that won t run is often caused by a failed motor or a bad thermostat.
When working with electricity always.
An attic fan installed underneath a roof.
To lower attic temperatures and to remove excess moisture.
The attic fan is normally mounted up on the roof of the home toward the back about two feet down from the peak.
How to test an attic fan motor and thermostat.
Most solar attic fans are surface mounted meaning that they are installed directly through the roof surface where they are most efficient.
An attic fan can be gable mounted or roof mounted.
We like master flow s model for its easy installation and efficiency.
Designed for attic spaces up to 2 088 square feet master flow s unit can remove a large volume of hot air at a rate of 1 500 cfm.
Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove.
Roof mounted attic fans require a vent hold near the top of the roof where the fan can sit over the vent on a plastic or metal base.
Solar attic fans do just that.
Ideally air comes in the bottom and out the top.
Test the wires to ensure the power is off.
Intake vents located at the lowest part of the roof under the eaves allow cool.
A thermostat is used to automatically turn the fan off and on while sometimes a manual switch is used.
You have holes in the bottom of your attic usually soffit vents and holes in the top of your attic ridge vent wind turbines static vents or power fans.
Installing the shutter center the front of the automatic shutter over the vent hole make sure the shutter s.
Attic ventilation should be very simple.
It goes on and off automatically with a thermostat so it only runs when it is beneficial.
Installing an attic fan step 1.
It s just like a chimney in your home.
A powered attic ventilator or attic fan is a ventilation fan which regulates the heat level of a building s attic by exhausting hot air.
