If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.
Attic fan not cooling house.
During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.
How whole house fans work the whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Quietcool attic fans work almost everywhere almost anytime.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
The downside of attic ventilation fans.
Install an attic fan.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
The same can be said for any mechanical equipment in the house that is not operating correctly.
Whole house fans work on the principle of removing the hot and humid air out of the house.
Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.
An attic fan can by no means pulls all the cooling air from the house as your statement could be read to mean tho i am sure that is not what you meant.
To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.
The whole house fan is installed inside the attic between the living space and ceiling.
Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.
Cool attic 14 in x 28 5 in 3092 cfm white galvanized steel automatic shutter whole house fan.
In addition to whole house fans the ducts of your central heating and cooling system can be modified to provide whole house cooling.
Adding an attic fan can improve the airflow in your attic to keep it cool.
It helps to cool your home temperatures and the attic by approximately 30 degrees.
The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.
When combined however they form a perfect union.
Attic fans and whole house fans together can help with home ventilation but they serve different purposes.
A whole house fan can be run from early evening to early morning effectively cooling the structure of your home using the cool free outside air.
