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.

Roof turbine vs attic fan.

Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade. Without any air movement temperatures in the attic soar in summer and plunge in winter. Attic must have 5 sq. 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.

Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. The issue with turbines. 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. Unlike turbines this venting style does not have any moving parts.

A turbine has a series of vanes that spin as wind passes through them. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Good attic ventilation is important for preventing ice dams in the winter. 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.

A ridge vent runs across the top of the roof s peak. These fans are typically installed along or close to the roof s peak which is called a ridge. The 14 inch diameter unit could provide a complete air change in the attic every 14 minutes at 15 mph. Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic.

Roof turbines are a cheaper alternative to attic ventilation. Imagine what happens if you install two or three of these simplistic turbine vents on the back side of your roof out of view.