Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Attic air flow vents.
Whole house fans powered attic fans.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
It can quickly remove a larger volume of hot and or humid air from your attic when compared to static ventilation.
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In addition insulation baffles must be installed at the point where the attic floor meets the roofline to prevent the attic insulation from migrating into the cavities and restricting the airflow from the soffit vents.
Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.
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This in turn can help save money on your heating and cooling costs.
About attic ventilation natural attic ventilation.
An attic with balanced ventilation has undereave or soffit vents which allow fresh air into the attic.
They are typically easier to install and won t detract from the appearance of your roof.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and.