Roof Turbine Vs Attic Fan

A ridge vent runs across the top of the roof s peak.

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

These can be ridge vents wind turbines or the flat vents your roofer wants to install. A turbine has a series of vanes that spin as wind passes through them. Without any air movement temperatures in the attic soar in summer and plunge in winter. Good attic ventilation is important for preventing ice dams in the winter.

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. 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. Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.

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. Attic must have 5 sq. Read about roof vents and why fan or turbine vents are not as efficient as ridge vents.

Without ventilation unfinished attic spaces can end up having stagnant air. Imagine what happens if you install two or three of these simplistic turbine vents on the back side of your roof out of view.