Intake Vents For Attics

Power gable vent shutter is designed to be used with master flow egv pg series electric gable fans.

Intake vents for attics.

Of course there should be intake vents to ensure a balanced system. Ridge vents and gable vents serve dual purposes and operate as both intake and exahust vents. Help protect your roof system from premature deterioration by installing a properly balanced attic ventilation system consisting of cobra exhaust vent at the ridge and adequate intake ventilation at or near the soffit areas of your roof. In vent attic roof vent is an on the rooftop intake ventilation product that lets fresh air in when traditional soffit vents are out.

In this post we cover the intake ventilation. The shutter will open when the electric gable vent is operating. In vent is ideal for roofers and remodelers who need to add attic roof intake ventilation to balance their ridge vents but can t access the soffits or overhangs. One method is to use a powered attic vent with a humidistat thermostat located close to the ridge or top of the roof.

Attic length x attic width 150 total vent space or net free area nfa. Soffit vents run the full length of a soffit the material underneath your eaves or are placed between the joists. These are the most common intake vents. Constructed of white aluminum that can be painted.

However if the attic has more exhaust than intake it potentially can cause the extra exhaust to pull its missing intake from itself if it s a ridge vent or from another nearby exhaust vent from one wind turbine to another or one roof louver to another which means possible weather ingestion. The ideal amount of attic ventilation is one square foot of vent space for every 150 square feet of attic area. So how much intake ventilation do i need. However if the attic has more exhaust than intake it is potentially problematic because the exhaust vents could become intake to compensate for the lack of balanced intake.

Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. This value is split evenly between intake and exhaust ventilation. As a result the intake vents on the leeward side of the house will work with the exhaust vents to release air. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. As a result the intake vents on the leeward side of the house will work with the exhaust vents to release air.