How To Replace Attic Turbine

Turbine vents are those ubiquitous devices found on almost every residential rooftop.

How to replace attic turbine.

Installing a turbine roof vent provides one of the most effective ways possible of keeping an attic or loft cool. Roof turbines utilize the free power of the wind to boost attic air circulation. Designed to maintain steady ventilation to attics these devices are necessary to prevent mold and excessive heat buildup under the roof. A turbine has a series of vanes that spin as wind passes through them.

The wind rotates the fan blade causing air movement in the attic as air is pulled out through the. These can be ridge vents wind turbines or the flat vents your roofer wants to install. A turbine is installed directly on the top of a roof and uses wind power to suck hot and humid air out of the attic. Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.

The 14 inch diameter unit could provide a complete air change in the attic every 14 minutes at 15 mph. A single 12 inch diameter turbine vent could provide a complete change of air in the attic space every 52 minutes if the outside breeze was just 5 mph. This will also make any air conditioning equipment work harder costing you more money to run it. Unlike turbines this venting style does not have any moving parts.

How to replace a roof turbine. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. This reduces attic heat infiltration through the ceiling into living spaces and. In the summer months the loft area of a house can heat up a lot making the rest of the house unpleasantly warm.

Picture above shows both roof vents a rotary turbine vent on the left and an aura gravity ventilator on the right with curb mount flanges a roof turbine can be made of galvanized steel that rusts as shown above. Attic must have 5 sq. A ridge vent runs across the top of the roof s peak.