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The Sunny Island 5048U from SMA Technology AG provides continuous, off-grid power from renewable sources, like solar, wind and hydroelectric.
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GreenRoo, an industrial-duty turbine ventilator, provides an airflow of 5,000 to 10,000 cubic feet (142 to 283 m3) per minute without the use of electricity; the ventilator is powered by wind.
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SHINKO’s compact wind turbine, Gentle Breeze, uses the power of the wind to make electricity.
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Marquiss Wind Power’s rooftop wind turbine has a lower cost per kilowatt hour than solar power.Its patented ducted design and self-stabilization address the challenge of attachment to rooftops. The turbine also has a low installation cost.(916) 932-7197 / www.marquisswindpower.com