Seems like one of the big problems in wind turbines for energy generation is that they are loud and tend to shake anything on which they are mounted. Well, Cascade Engineering has announced its new quiet and vibration-free Swift Wind Turbine, for use on houses and commercial buildings. It's not for everybody -- the company suggests renting equipment to measure the wind force in your area -- but it runs at only 35 decibels. A quick search on Wikipedia tells us that normal talking is 40 to 60 decibels, and a car operates at 60 to 80.
According to the company's release, the product is UL-certified for safety and can pay for itself within three years.
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