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What is the difference between an intake and exhaust vent?

April 26, 2017exhaust intake vent

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What is the difference between an intake and exhaust vent?

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The most important difference in an intake and exhaust vent is their location on the roof. All exhaust type ventilators are to be installed on the upper 1/3 portion of the attic area. Intake vents are generally installed in the under-eave/ overhang or fascia area. Note: Sometimes, due to the lack of overhang-under-eave area, roof louvers are installed low on the roof and used as intake. We DO NOT recommend this due to the possibility of weather infiltration.