Best Way To Vent Your Attic

As the sun shines on the top of your house the heat is absorbed by your roof.

Best way to vent your attic.

But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. The soffit vents allow convective air movement from the soffits of the residence to the ridge vent. Powered attic ventilators are the worst way to try to keep your attic cool.

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. Stop using your attic for storage. Vents come in various styles. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

That path is supposed to be from low in the attic intake vents to the highest possible exit point in the attic exhaust vents. For this kind of system you need soffit vents and ridge vents. Reflective materials keep things cooler. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.

That said air resistance and interference such as vent grates reduces the area of true ventilation. This will then make the attic hot. In other words the entire vent opening doesn t count as vented space. If you see dampness or frost you need better roof ventilation and some attic vents.

Soffit vents are intake vents located under the outside eaves of your home. The best form of attic ventilation for your home is a balanced system where the intake vents are separate from the exhaust vents. They ve been well discussed here and other places but briefly they re not cost effective don t deal with the problem where it starts are using convection to solve a radiant heat problem and can even be dangerous by backdrafting combustion appliances and. 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.

Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. Adding reflective roofing is another option you might consider when it comes to the best way to cool your attic. Air flows in through the soffit vents and out through the roof vents.