Attic Fan Are They Worth It

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 are they worth it.

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 insulation that is less than r 19. Is a solar attic fan worth the cost. Solar attic fans are they worth it the short answer is it depends.

Instead of installing a fan just make sure your attic is well ventilated. 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. It may be starting to sound like attic ventilation fans aren t worth the hassle and could cause more problems than they solve. The fan blades spin but they don t lower the attic.

Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem. 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 ventilation fans could be effective if your home has. Find out whether it is economical to run an attic fan.

However there are certain circumstances where they can prove useful.