Attic Fan Are They Worth It

Solar attic fans are they worth it the short answer is it depends.

Attic fan are they worth it.

Instead of installing a fan just make sure your attic is well ventilated. The fan blades spin but they don t lower the attic. Attic insulation that is less than r 19. 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.

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. 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. It may be starting to sound like attic ventilation fans aren t worth the hassle and could cause more problems than they solve.

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. If the attic fan increases the comfort level of the house it may be worth it. Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem. Is a solar attic fan worth the cost.

Find out whether it is economical to run an attic fan.