This air is then exhausted through the fan to the outside.
Purpose of a fan in the attic for the roof.
What function does an attic fan serve.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with outdoor air.
Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature.
Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.
Mechanical attic ventilation fans may be powered in a variety of different ways.
A fan may be installed in an attic for the different purpose of cooling a whole house venting hot air out via the attic.
However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.
A powered attic ventilator has a different purpose.
A scorching attic can transfer a great deal of heat to your roof.
Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.
A common question asked is what is the purpose of an attic fan attic fans are used to increase airflow and save you money on your electrical bill.
High humidity can also cause serious issues.
Wind powered roof turbines often.
This thermal stress can cause shingles and other materials to wear prematurely.
As the attic fan draws outdoor air into the attic it vents hot stale air out through attached dormers.
The basic principle of an attic fan is that it pushes hot air out of your attic space.
Ideally this will lower the high temperatures that have built up in your attic.
Attic fans reduce costs and keep your home fresh and filled with clean air.
An attic fan works as a ventilation unit.
Such fans are often called whole house fans.
Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic.
Attic fans exhaust hot air from your attic to the outside.
The following should provide you with more information on attic fans and why they are useful in homes.
In particular a cooler and drier attic places less stress on your roofing materials.
This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.