Attic fans are incredibly efficient.
Purpose of attic fan.
Attic fans reduce costs and keep your home fresh and filled with clean air.
Mechanical attic ventilation fans may be powered in a variety of different ways.
By removing the hot air that sits at the top of your.
Attic fans are typically used in warmer months when temperatures in an attic can exceed 120 f 49 c.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.
How an attic fan works.
An attic fan circulates the air in the attic.
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.
Here are some of the benefits you can get from an attic fan.
What function does an attic fan serve.
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.
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.
An attic fan works as a ventilation unit.
Such fans are often called whole house fans.
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.
Lower temperatures in your home.
They use a fraction of the electricity your air conditioning system uses.
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.
A whole house fan serves the purpose of an exhaust system.
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.
The attic fills up with hot air and pushes the air down into the house raising its temperature.
How does an attic fan work.
Attic fans exhaust hot air from your attic to the outside.
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.
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.
An attic fan reduces the amount of stagnant air in the attic.
A powered attic ventilator has a different purpose.
Because whole house fans were cheaper than air conditioners and worked well they began being used in the 1950s primarily in the south.
Many people confuse a whole house fan with an attic fan but the two accomplish different goals.
Why is this important.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.