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.
How do attic fan work.
In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house.
As hot air rises to the top fans push the hot air out and cool down the home by drawing in the fresh air.
If the attic fan increases the comfort level of the house it may be worth it.
Reduces the chance of ice damming on the roof.
Attic fans are not recommended if you have central air conditioning because when you turn the fan on in the summer it depressurizes the attic but also reaches down into your house and starts drawing off air conditioned air effectively driving up your cooling costs.
Attic fans come with different models.
Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your home.
Attic fans are installed at the roof level of your home to regulate the heat level.
The whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Inexpensive and relatively easy to install.
It provides good attic ventilation in addition to whole house cooling.
Reduces attic humidity levels which in turn protects the attic from mold and mildew.
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.
They can help you save a lot of money on your energy bills as you may not have to use air conditioning if the weather isn t too hot.
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.
The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference.
How does an attic fan work.
Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.
The main work of an attic fan is to regulate the heat level of the attic by removing hot air out of the attic and pushing it outside providing needed ventilation.
Find out whether it is economical to run an attic fan.
Do attic fans really work.
If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.
Some can have manual switches while others use a thermostat to turn them on and off automatically.
Instead of installing a fan just make sure your attic is well ventilated.
Firstly let s start off with clarifying the difference between a whole house fan and an attic fan.
A whole house fan is typically installed in the.
Energy efficient way to cool your home.
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.
Great temporary home cooling.
A whole house fan is different than an attic fan.
