Wind turbines on houses are not always practical because some home owner associations would object to the noise it might make, or neighborhoods that restrict changes in aesthetics. A U.K. inventor may have solved the problem with a design called the Secret Energy Turbine (SET) because it disguises the turbine as part of a chimney. The small vertical axis turbine, painted the same color as the bricks in a chimney, make it appear to be a ordinary chimney stack. The unit is said to work in near silence because of its unusual design, which features vertically mounted blades fixed under the influence of two opposing magnets. The result is said to be an efficient turbine with only one moving part that tolerates winds over 90 mph.
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