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Watch Bethesda Zero Home Construction Tour PART 2 of 2 Thumbnail

Bethesda Zero Home Construction Tour PART 2 of 2


Watch Skara Brae Orkney Thumbnail

Skara Brae Orkney Video


Watch Israeli Solar Cell

Israeli Solar Cell


  

 

 

 

Resource

Solar Water Heating Maps (USA)

Reviews payback, savings to investment ratios, electric rate needed to produce SIR, system cost needed to produce, SIR.