Those micro-turbines were often pretty useless, costing more to install than they ever saved in electricity. Mounting them on a roof doesn't help - the wind tends to swirl around houses and wind turbines like a nice smooth flow to get up to speed. That's why the big wind turbines tend to be installed in flat areas.
Those micro-turbines were often pretty useless, costing more to install than they ever saved in electricity. Mounting them on a roof doesn't help - the wind tends to swirl around houses and wind turbines like a nice smooth flow to get up to speed. That's why the big wind turbines tend to be installed in flat areas.