Can someone tell me how many dollars a month I'd save on my electric bill "IF"?

Question

I were to install one of these on the roof of my store?

http://store.altenergystore.com/Wind-Systems/Wind-Turbines-Electric/Southwest-Windpower-Turbines-Parts/Air-Breeze-Electric-Wind-Turbines/Southwest-Wind-Power-Air-Breeze-Wind-Turbine-Land-200W-12V/p6014/

Answer 1

If you have a boiler to heat up your house, we can supply you a small turbine to suit the boiler to generate elecricity. Contact [e-mail] with the details of boiler you have and we help you save onelectricity bills.

Our micro steam turbines are working in USA, Canada, Australia, New Zealand and European countries wherein the farm houses, ranches, dairies have boiler.

Contact now with details for all assistance in saving on electricity bills.