Roof Turbine Vs Attic Fan

Good attic ventilation is important for preventing ice dams in the winter.

Roof turbine vs attic fan.

Unlike turbines this venting style does not have any moving parts. 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. A ridge vent runs across the top of the roof s peak. Since february 1997 active ventilation products avp has been a supplier of roof vents roof jacks and whole house fans for fema federal emergency management agency housing hud united states department of housing and urban development housing and for those in the modular commercial and residential markets.

Roof turbines are a cheaper alternative to attic ventilation. A turbine has a series of vanes that spin as wind passes through them. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. These fans are typically installed along or close to the roof s peak which is called a ridge.

Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Without any air movement temperatures in the attic soar in summer and plunge in winter. Imagine what happens if you install two or three of these simplistic turbine vents on the back side of your roof out of view.

The 14 inch diameter unit could provide a complete air change in the attic every 14 minutes at 15 mph. 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. Read about roof vents and why fan or turbine vents are not as efficient as ridge vents. They can perform like an active roof vent when the wind is blowing or there is an excellent static pressure in your attic but most of the hot months in texas do not promote the spinning and performance of a roof turbine.

The issue with turbines. Attic must have 5 sq.