Old House Attic Ventilation

Every home has a roof but is every roof properly ventilated to prevent premature roof deterioration or roofing system failure.

Old house attic ventilation.

For instance attic ventilation is used widely in cold climates to evacuate the warm moist air that escapes from the living space below. 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. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Things have been ok low energy bills house very comfortable.

The open area of a vent is sometimes listed on the roof air vent as nfva net free vent area. 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. How to vent the attic of a house. Poor attic ventilation can also be a contributing factor in the formation of ice dams in winter.

Without some means of ventilation moisture and in summertime heat can accumulate to undesirable levels in the attic space. The result is a cooler attic space with plenty of air exchange. Then aim for about 1 sq. Learn about the benefits prop.

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. Adequate natural ventilation is important in the attics of homes. Whole house fans powered attic fans. In of vent opening per 150 sq.

Intake vents located at the lowest part of the roof under the eaves allow cool. Passive active options. Noticed one of the attic vents was not working. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.

If this air lingers it can condense on the underside of the roof sheathing and rot it. It may seem incongruous to allow cold air into your attic in the middle of winter but attic venting is an important climatic control that protects your house. Any unconditioned attic requires ventilation. Proprietor of nick slavik painting restoration company and frequent this old house contributor to take us through.