Wind turbines are good source of energy and will eventually lets us save money. However, the noise wind turbines created can be distracting. To address this issue, a wind turbine called the Swift wind turbine is created. It has been called as the quietest rooftop wind turbine available in the market today; the swift wind turbine is created and designed for commercial and residential use. This 7’ diameter turbine produces around 1.5kW @ 14 m/s of energy or roughly 2,000kWh per year, which is estimated to be around 20 percent of the average home use and is big savings already. The turbine blades will be manufactured by a U.S. based Cascade Engineering. One installed turbine will let one cost $10,000 to $12,000.
Source : RenewableDevices