Roof mounted wind turbines offer 0 5 kwh to 2 5 kilowatt of power and are mostly used to support a household s existing energy mix.
Roof mounted residential wind turbine.
For example the renewable energy hub reckons the average cost of a 0 5 kw to 2 5 kw roof mounted turbine could cost at least 2 000 to install and a 1 5 kw pole mounted turbine could cost 7 000.
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However the energy saving trust suggests a 2 5 kw pole mounted turbine costs between 9 900 and 19 000.
To understand why you don t see turbines on every roof it s important to understand how they work.
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The benefits of a home wind turbine depend entirely on its wind speed and turbine efficiency.
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And on my way to work every morning i drive past a farmhouse with a small wind turbine mounted on a 30 foot tower.
This option is great for anyone that gets a lot of high altitude wind.
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Home wind turbines can also be placed on a roof like in your rooftop garden or in a body of water.
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The turbine and generator must be mounted on a tall pole that s around 25 60 ft.
Just down the road from my house a resident has a small wind turbine on top of his garage.
Not far from my place of employment there s a private high school with several small wind turbines mounted to the roof.
A standard home wind turbine can cost around 30 000 though more expensive variants can cost as much as 70 000 plus installation costs and other miscellaneous expenses.
So the more energy a particular wind turbine produces the better.
However turbines aren t only limited to large fields or hilltops.
The wind pushes these blades in succession rotating the central hub and the shaft it is connected to.
Sometimes the best place to mount a wind turbine is on the roof.
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Why residential rooftop wind turbines aren t on every roof.