Purpose Of Attic Fan
Because whole house fans were cheaper than air conditioners and worked well they began being used in the 1950s primarily in the south.
Purpose of attic fan. How does an attic fan work. 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. 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. The attic fills up with hot air and pushes the air down into the house raising its temperature. An attic fan works as a ventilation unit. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
Here are some of the benefits you can get from an attic fan. Most attic ventilators fitted to homes are powered off mains electricity. 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. How an attic fan works.
Why is this important. Mechanical attic ventilation fans may be powered in a variety of different ways. 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 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.
Such fans are often called whole house fans. 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. Lower temperatures in your home. They use a fraction of the electricity your air conditioning system uses.
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. A powered attic ventilator has a different purpose. 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.
Many people confuse a whole house fan with an attic fan but the two accomplish different goals. 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. By removing the hot air that sits at the top of your. Powered attic ventilators are housed in the.
Attic fans are incredibly efficient. An attic fan circulates the air in the attic. But in homes without appropriate insulation and ventilation in the attic heat migrates. An attic fan reduces the amount of stagnant air in the attic.
Not only does it circulate air it also replenishes fresh air into the home system.