Are Gable Attic Vent For Intake Or Exhaust

The costs of gable vents.

Are gable attic vent for intake or exhaust.

Enter square footage calculate or enter the square footage of the attic or area to be vented. One often sees gable vents that are small in size and clearly won t provide adequate nfva. Gable vents can function as both intake and exhaust but rely on strong winds to be effective so they are recommended to be used in conjunction with additional intake soffit vents near the. Deciding to combine a gable vent with a different type of exhaust vent is another mistake you should avoid.

Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. A balanced ventilation system 50 intake ventilation combined with 50 exhaust ventilation can also lower utility bills. It is interesting to note that gable vents are not specifically addressed in the building code. Gable mount attic fans 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.

One of the best things about gable vents being able to offer intake as well as exhaust options is the fact that they can be quite cost effective. If two different types of exhaust vents are combined for example a ridge vent and a gable louver the primary path of air becomes the distance between the two types of exhaust vents. That path is supposed to be from low in the attic intake vents to the highest possible exit point in the attic exhaust vents. Gable vents in attic setups can cost just under 100 for a single vent and frame and a few hundred dollars for a few vents and professional installation services.

Gable louvers help provide attic ventilation to exhaust gable louvers help provide attic ventilation to exhaust unwanted heat and moisture which can damage wood or roofing materials. Gable vents are a type of louvered vent that can act as an intake or exhaust vent depending on which way the wind is blowing. When you install 2 exhaust vents in the attic they draw air from each other as opposed to drawing air from the intake vents. Releasing all of the heat that rises and gets trapped in the attic can be achieved with one or a combination of the three following vent models in addition to the multipurpose gable.

Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. As a result the attic ventilation will not be effective in cooling the area.