Attic Fans Worth It

The attic fan is controlled by its own thermostat that automatically turns it on and off when needed.

Attic fans worth it.

Is a solar attic fan worth the cost. 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. Temp 92 f at 5pm. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.

During workdays would leave air conditioner off when leaving in the morning. How an attic fan works. The attic fan kept my house cooler by 8f compared to pre fan installation days. It may be starting to sound like attic ventilation fans aren t worth the hassle and could cause more problems than they solve.

Find out whether it is economical to run an attic fan. Attic ventilation fans could be effective if your home has. Attic insulation that is less than r 19. So is it truly worth it to add a solar attic fan on an older home.

If there isn t enough venting in the attic for the attic fan to pull air from it will start pulling air from the home s interior through the wall cavities and drywall ceilings. Their energy efficiency is already extraordinary. If the attic fan increases the comfort level of the house it may be worth it. Instead of installing a fan just make sure your attic is well ventilated.

An attic fan can be mounted directly on your roof or mounted to a gable on your roof. After attic fan installation ac still off during day. Solar attic fans are not needed in brand new construction homes. Attic fans exhaust hot air from your attic to the outside.

The fan blades spin but they don t lower the attic. The attic fans needs to have a minimum amount of makeup air or intake air which is the vent area that the attic fan pulls air from. 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. Temp 84f at 5pm.

This is a solar panel supplying free electricity to the attic fan under the silver dome on the rear roof. However there are certain circumstances where they can prove useful. This was observed on numerous days following the installation. Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.