Frequently Asked Questions

How much intake is required for turbines?
Last Updated 5 years ago

The air being exhausted MUST be replaced by outside air drawn through intake vents located near the lower part of the attic space to properly ventilate the total attic area and eliminate weather infiltration.  

-Each 8" turbine requires 138 square inches of intake ventilation

-Each 12” turbine requires 259 square inches of intake ventilation  

-Each 14” turbine requires 345 square inches of intake ventilation

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