How Are Attics Ventilated

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.

How are attics ventilated.

These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.

Photos 1 6 show how it s done. A balanced ventilation system 50 intake ventilation combined with 50 exhaust ventilation can also lower utility bills. Adding attic vents is a simple matter of cutting holes and installing vents. Things have been ok low energy bills house very comfortable.

See the benefits of attic ventilation a new roof is more than just shingles. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Help purchased home 8 years ago with 2 power attic vents. But before you cut any holes plan the locations of the attic vents.

When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic ventilation acts to bypass the vapour barrier created by most roof. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. 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.

Throughout the balance of this digest the terms attic and roof will and can be used interchangeably. Noticed one of the attic vents was not working. Intake vents located at the lowest part of the roof under the eaves allow cool. 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.

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.