This DIY, vertical-axis wind turbine uses easily attainable parts, can be built by anyone and yields impressive power output. As a bonus, it’s open source.
Applied Sciences, which did the work, notes that the intention of this product was to provide supplemental water heating. The result is this wind turbine made of materials that you can find at Home Depot and online. Applied Sciences provides what you need to know to build one yourself, including some videos of the turbine and its parts in action and some other valuable resources that will help hopefully get the turbine connected to your home and operating.