ft. of attic floor. That assumes half of the vent area is high on the roof and half is low (in or near the eaves). Otherwise, doubling the vent area is required (1 per 150 sq. ft.) These are ...

To improve attic ventilation, place exhaust vents near the roof's peak and intake vents in the eaves. There are several types of exhaust and intake vents available. Exhaust vents are located near ...