‘Attic fans are a great way to force air and/or increase ventilation ... ‘Spring and fall are when they are more likely to get dirty, so a seasonal check is absolutely worth it.’ ‘Many single-family ...

However, when you climb up on your roof, be sure to follow safety precautions. Before you buy one, get to know if attic fans are worth it. Asbestos has been found in some types of vermiculite ...