All LOMANCO® Whirlybird® turbines come with a lifetime transferable warranty. The Whirlybird® turbine's large flashing makes installation easy.
. Double ribbed vanes, with convex top, direct even wind-driven rain away from the unit. Simple, mechanically-locked, two-piece head/base for faster, easier installation. Dade County/Texas Department of Insurance approved.
They do it with a series of specially shaped vanes that catch the wind and provide rotary motion.. Turbine vents provide a low-cost ventilation alternative in areas where wind speeds of at least 5 mph are typical. A non-electric alternative to ventilation these vents use the natural force of wind and air pressure to spin and vent out stale attic air.