Category: Attic Ventilation

I spent the last 90 days testing ten of the top-selling soffit vents on a 2,400-square-foot ranch with a 1,800-square-foot attic. After swapping out aging vents, drilling mounting holes into three different soffit materials, and measuring airflow with a hot-wire anemometer, I have a clear picture of what separates the best soffit vents from the…