An attic fan can be gable mounted or roof mounted.
Attic fan basics.
A fan that won t run is often caused by a failed motor or a bad thermostat.
Ideally air comes in the bottom and out the top.
When working with electricity always.
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.
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.
A thermostat is used to automatically turn the fan off and on while sometimes a manual switch is used.
The attic fan is normally mounted up on the roof of the home toward the back about two feet down from the peak.
It s just like a chimney in your home.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Installing an attic fan step 1.
It goes on and off automatically with a thermostat so it only runs when it is beneficial.
We like master flow s model for its easy installation and efficiency.
Lowering the temperature in the attic can help reduce air conditioning energy costs and roof deck temperature optimize the service life of a roof covering and minimize ice damming.
Test the wires to ensure the power is off.
Most solar attic fans are surface mounted meaning that they are installed directly through the roof surface where they are most efficient.
How to test an attic fan motor and thermostat.
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.
Solar attic fans do just that.
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 should be very simple.
Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove.
An attic fan installed underneath a roof.
Intake vents located at the lowest part of the roof under the eaves allow cool.
The attic fan has a flashing that fits in with the shingles and is water proof.
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.
To lower attic temperatures and to remove excess moisture.
