Attic Ventilators Definition

Few things are more misunderstood about the home than attic ventilation.

Attic ventilators definition.

This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work. Power gable vent shutter is designed to be used with master flow egv pg series electric gable fans. 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 membranes. It allows hot air to escape in the summer and can also help reduce the chances of ice damage in the winter by allowing a natural flow of outdoor air to ventilate the attic.

An attic ventilator is essentially a port where air can escape to the outdoors. Additionally attic ventilation is a key ingredient in the defense against ice dams in snow and ice climates. It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience. Table of contents show.

Constructed of white aluminum that can be painted. The shutter will open when the electric gable vent is operating. Attic ventilation is a year round strategy to help fight heat buildup in the warmer months and moisture buildup in the colder months. Intake vents located at the lowest part of the roof under the eaves allow cool.

Power gable vent shutter is automatic 20 in. In a hot climate roof vents expel hot air from the roof or attic while relieving the load on the air conditioning system. See the benefits of attic ventilation a new roof is more than just shingles. 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.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. In essence all ventilation is about circulating air to keep it fresh and to reduce moisture levels. Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams. About 90 percent of homes in the us have unreasonably high levels of moisture.