The good: it's free, it doesn't pollute, & you can stick it to the "MAN" at the power company.
The bad: the wind ain't always blowin, you're neighbors might consider you "that environmental weirdo", you may find that the power company doesn't feel warm and fuzzy about losing profits.
Here's a tree hugger blog entry on an affordable one you could hook up to your house.
A Personal Wind Turbine For $500: The Air-X
by Justin Thomas, Virginia on 03.23.06
Science & Technology (alternative energy)
The Air-X is a small wind turbine designed to be used by home owners. It has recently been updated to reduce the noise of the blades, and they've added some microprocessor-based technology to improve battery charging. The manufacturers say this turbine can charge “any size battery bank from 25 to 25,000 amp hours or higher”. The internal charge controller periodically stops charging, reads the battery voltage, and decides on the spot whether to continue charging or stop completely. The result is longer battery life and no overcharging. It's available from Affordable Solar and Sundance Solar. :: Via Groovy Green
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