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.
Purpose of attic fan.
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.
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.
They use a fraction of the electricity your air conditioning system uses.
But in homes without appropriate insulation and ventilation in the attic heat migrates.
Here are some of the benefits you can get from an attic fan.
An attic fan reduces the amount of stagnant air in the attic.
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.
An attic fan circulates the air in the attic.
Why is this important.
Powered attic ventilators are housed in the.
The attic fills up with hot air and pushes the air down into the house raising its temperature.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.
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.
Attic fans are incredibly efficient.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your 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.
What function does an attic fan serve.
How an attic fan works.
An attic fan works as a ventilation unit.
A whole house fan serves the purpose of an exhaust system.
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.
Mechanical attic ventilation fans may be powered in a variety of different ways.
Many people confuse a whole house fan with an attic fan but the two accomplish different goals.
Such fans are often called whole house fans.
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.
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.
Not only does it circulate air it also replenishes fresh air into the home system.
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.
How does an attic fan work.
A fan may be installed in an attic for the different purpose of cooling a whole house venting hot air out via the attic.
Most attic ventilators fitted to homes are powered off mains electricity.
