Without power attic ventilators, you could be exposing your home to mold opportunities. Power attic fans blow away pests and circulate the air coming into your home to not attach as bacteria moldy stains. No one wants to take a visit to the attic to find prized possessions to find grossness building up.
Since we don’t visit the attic often, how do you expect it to clean up? A power attic ventilator also promotes the circulation of air that makes hot days less irritating if you do not have a powerful air conditioning vent.