Roof Turbine Vs Attic Fan

The 14 inch diameter unit could provide a complete air change in the attic every 14 minutes at 15 mph.

Roof turbine vs attic fan.

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. Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. 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.

Without ventilation unfinished attic spaces can end up having stagnant air. The issue with turbines. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Roof turbines are a cheaper alternative to attic ventilation.

Unlike turbines this venting style does not have any moving parts. 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. Without any air movement temperatures in the attic soar in summer and plunge in winter. Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.

These fans are typically installed along or close to the roof s peak which is called a ridge. Read about roof vents and why fan or turbine vents are not as efficient as ridge vents. A turbine has a series of vanes that spin as wind passes through them. A ridge vent runs across the top of the roof s peak.

Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. Imagine what happens if you install two or three of these simplistic turbine vents on the back side of your roof out of view.