Do I Have Adequate Attic Ventilation

Jones has adequate ventilation along the ridge to ventilate the attic space.

Do i have adequate attic ventilation. In a properly. Attic fan ventilation 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. 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. Do you need an attic fan if you have a ridge vent.

The gross size of the vent is 288 square inches 12 x 24 and the area. Things have been ok low energy bills house very comfortable. Our roofing experts at zimmerman exteriors have installed many roofs in central pa and they. Moreover if you have asphalt shingles on the roof attic.

So using that formula let s say you have a big 12 inch by 24 inch gable end vent with 1 8 inch screen and louvers. How to check attic ventilation. Both roof and soffit vents are easy to install in just a few hours. Much of the debate stems from the tremendous variation in climate across north america.

Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter. With different climates come different needs to be met. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated. The roofer is concerned about attic ventilation and recommends installing a ridge vent and closing off the existing gable vents.

I am having the shingles replaced on the roof of my ranch style house. Intake vents located at the lowest part of the roof under the eaves allow cool. Roof and attic ventsl protect your house from expensive future repairs. His home is 48 feet long and has a ridge vent that measures 46 feet.

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 ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. The ridge vent is cut back 1 inch on either side of the ridgeline which yields a total area of 7 67 square feet of ventilation. Throughout the roofing industry there is a widespread lack of agreement over adequate attic ventilation.

Help purchased home 8 years ago with 2 power attic vents.