The top-performing turbine air vents for the roof according to 2015 BestConsumerReviews are the Lomanco BIB12 12-inch Turbine Ventilator, the Bib-14 Turbine Brown and the 4-inch Galvanized Turbine Ventilator. As of 2015, each roof vent currently holds over a 4-star customer rating on Amazon.
The Lomanco BIB12 12-inch Turbine Ventilator can withstand winds up to 147 miles per hour and comes with a lifetime warranty. The Bib-14 Turbine Brown, as of February 2015, holds a 4.8 customer rating on Amazon, which is the highest customer rating of the three. With the 4-inch Galvanized Turbine Ventilator, no operating or maintenance costs are associated.