How an attic fan works.
Purpose of attic fan.
For example in the summer or in places where it s summer all the time like las vegas the sun beats down on the roof heating up the attic.
An attic fan works as a ventilation unit.
A fan may be installed in an attic for the different purpose of cooling a whole house venting hot air out via the attic.
Ventilation fans or powered attic ventilators are designed to cool the attic pushing out the hot attic air and rushing in a flow of cool outside air.
Attic fans are typically used in warmer months when temperatures in an attic can exceed 120 f 49 c.
Attic fans reduce costs and keep your home fresh and filled with clean air.
By removing the hot air that sits at the top of your.
Most attic ventilators fitted to homes are powered off mains electricity.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
Why is this important.
Such fans are often called whole house fans.
How does an attic fan work.
An attic fan reduces the amount of stagnant air in the attic.
An attic fan circulates the air in the attic.
Because whole house fans were cheaper than air conditioners and worked well they began being used in the 1950s primarily in the south.
A powered attic ventilator has a different purpose.
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.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.
Many people confuse a whole house fan with an attic fan but the two accomplish different goals.
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.
They use a fraction of the electricity your air conditioning system uses.
Here are some of the benefits you can get from an attic fan.
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.
What function does an attic fan serve.
A whole house fan serves the purpose of an exhaust system.
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.
The attic fills up with hot air and pushes the air down into the house raising its temperature.
Attic fans exhaust hot air from your attic to the outside.
But in homes without appropriate insulation and ventilation in the attic heat migrates.
Not only does it circulate air it also replenishes fresh air into the home system.
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 fans are incredibly efficient.
