Most vertical axis wind turbines are very silent, emitting only a slight humming sound near the equipment. Some of the more adventurous designs have the look of sculpture adding another dimension to your installation.
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Most vertical axis wind turbines are very silent, emitting only a slight humming sound near the equipment. Some of the more adventurous designs have the look of sculpture adding another dimension to your installation.
More: continued here
How Africa is forging a new path for renewable energy Commentary from Simon Bransfield-Garth, CEO of Azuri …