Rooftop Wind Generators getting closer to reality

from the ConsciousEarth blog – a new wind turbine from a company named Mag-Wind has developed what’s known as a magnetically-levitated vertical-axis wind turbine. The unit has a diameter of only 4 feet, and supposedly can generate 1,110 kwh per month with an average windspeed of 13 mph, and will start spinning with winds of less than 5 mph. The magnetically-levitated design means that there’s much less friction and noise compared to other designs. Estimated cost including installation will be somewhere around $7,000.

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