Mechanical ventilation relies on natural airflow, utilizing ridge vents, soffit vents, and gable vents to create a continuous flow of air through the attic. This passive system is energy-efficient ...

Isolate the air moving through the soffit vents into the attic by fabricating a chimney from cardboard at the soffit in each rafter bay. On the bottom edge of each rafter nail or staple an 18-inch ...