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Passive Solar Heating Video

Watch Dr Feist PassivHaus Video Part 4

Passiv Haus Dr Wolfgang Feist Interview Video (Pt 4)

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Off Grid Solar Electric System






Wind Project Calculator (USA)

Cash flow modeling for community wind projects

The Wind Project Calculator was developed to assist you in performing cash flow modeling for community wind projects. You will need to enter specific information about the type of turbine you are considering, the estimated annual average wind speed, information about electricity use and electric rates, and information about financing and income taxes. The program will estimate the cash flows for investing in a wind turbine and the rate of return on the cash investments.