Set the thermostat to turn on mode and plug a hand held shop light into it.
How to tell if attic fan is working.
However the utility of attic ventilation fans is actually quite a controversial topic.
Attic fans work on the principle of pushing out the attic s hot air and replacing it with cool air from outside.
The whole house fan is installed inside the attic between the living space and ceiling.
Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.
How to check attic ventilation.
Moreover if you have asphalt shingles on the roof attic.
Reconnect all the pieces of the attic fan and turn the device on again.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
For both fans to work well they need large exhaust openings in the roof for the moving air to exit.
The downside of attic ventilation fans.
The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.
If not the thermostat may need to be replaced.
There are several different types of attic ventilation systems but most of them feature small vents soffit and gable which draw in cool air along with a primary fan that pushes air outside.
How an attic fan works.
Whole house fans need windows and doors open and attic fans need lots of soffit vents to suck.
Attic fans exhaust hot air from your attic to the outside.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
Good insulation reduces fan effectiveness.
If the shop light turns on the thermostat is working.
Step 3 test the connection between the thermostat and the power source.
These fans are designed to remove excess heat from your attic which in theory is supposed to lessen the load on the air conditioning in your home.
It helps to cool your home temperatures and the attic by approximately 30 degrees.
Electrical issue your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection.
