Attic ventilation is an important part of your home’s design and construction.
Your attic needs equal intake and exhaust ventilation. Research has shown that the best way to ventilate an attic is with a balanced system of intake vents low at the roof’s edge or in the soffit/eaves, along with exhaust vents high on the roof at or near the ridge. This allows cool, dry intake air at the roof’s edge to flush out any warm, moist air through the exhaust vents. Be sure your attic has enough intake vents. They are crucial to the attic ventilation system and often overlooked.
Indications that your attic might have a ventilation problem include:
The configuration of your roof, determines the type of ventilation system that needs to be installed (to comply with the manufacturers specifications and Title 24). Gable vents must be blocked in order for any venting system to work properly.