Too often when a new roof is installed the attic EXHAUST ventilation is examined for correct quantity and/or improvements but little attention is given to the attic INTAKE vents. Even brand new homes are being built with a lack of proper intake ventilation. It’s the #1 mistake in residential attic ventilation based on incoming calls to our Customer Service Hotline 1-800-AIR-VENT. Unless the attic exhaust ventilation (which is supposed to be calculated based on the attic’s size) is balanced with an equal amount of intake airflow, the attic ventilation will not be able to effectively fight damaging heat buildup, moisture buildup, and ice dams.

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