Intake vents located at the lowest part of the roof under the eaves allow cool.
Power vent attic ventilation.
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What is an attic power ventilator.
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An attic ventilator is essentially a port where air can escape to the outdoors.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs.
It allows hot air to escape in the summer and can also help reduce the chances of ice damage in the winter by allowing a natural flow of outdoor air to ventilate the attic.