Passive Attic Ventilation System

Roof turbines have blades that spin in the wind pulling air up through the intake vents into the attic and out of the house.

Passive attic ventilation system.

Renewaire energy recovery ventilators ervs can be applied everywhere across all commercial educational institutional light industrial and residential buildings. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic. The early to mid 20th century saw the development of this concept. While a simple vent is sometimes used to allow for the passive flow of air it s also possible to add a powered attic fan commonly called an attic power ventilator.

Attic power ventilators are mounted to the roof of the home and are connected electronically to a power source and in most cases the home s thermostat. Roof ventilation is not a new process by any means. When spaced evenly across the roof roof turbines can provide passive exhaust on windless days. In order to facilitate this exchange of warm and cool air the general rule of.

Roof vents enhance the overall comfort of the house by providing escape hatches for hot stale moist air which can reach temperatures of 150 degrees in summer. Natural airflow wind and the temperature differences in indoor and outdoor air help to draw in fresh air and circulate it through the home. Our technology excels in every geographic region every climate and every size project. Help protect your roof system from premature deterioration by installing a properly balanced attic ventilation system consisting of cobra exhaust vent at the ridge and adequate intake ventilation at or near the soffit areas of your roof.

To understand how proper ventilation works here s the anatomy of a basic passive pole barn ventilation system. More product details close. Owens corning recommends a balanced ventilation system based on the u s. Gable vents are a type of louvered vent that can act as an intake or exhaust vent depending on which way the wind is blowing.

In the case of a lined building with a ceiling air is rising in the building s attic. Passive roof vents expel excess heat and moisture. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. Big organizations like the forest products laboratory and even the american society of heating refrigerating air conditioning engineers realized that poor roof ventilation systems could cause condensation problems in a.

The process starts with warm moist air rising inside your pole barn. Passive ventilation systems use a series of vents in exterior walls or at exterior windows to allow outdoor air to enter the home in a controlled way. Out with the moist stale air.