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Chris Williams writes at HeatSpring Magazine, Cleantechies, Alternative Energy Stocks and Renewable Energy World. He's a clean energy jack-of-all trades. He has installed over 300kW of solar PV systems, tens of residential and commercial solar hot water systems and 50 tons of geothermal equipment. Chris is an IGSPHA Certified Geothermal Installer and NABCEP Certified...[more]
This tool is used in HeatSpring's Solar Hot Water Design & Installation Training + NABCEP Entry Level Exam course.