CES 2011: eddy Wind Turbine Vies For a Spot on Your Roof : TreeHugger

eddy wind turbine photo
Urban wind turbines are fairly controversial, with some saying they're basically never appropriate in urban settings either because they don't generate enough power or they're eyesores or they're unsafe or they're noisy...
The eddy turbine is sleek in design, and is safe in wind speeds up to 120 mph. It's cut-in wind speed is 3.5 meters per second, and cut-out speed is 30 meters per second. This particular turbine can generate 600 watts