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Chris Williams

Can We Eliminate Residential Solar Financing? A Conversation About Driving Down PV Costs with Barry Cinnamon from Westinghouse Solar

This is a great thought experiment. Can we make solar PV so simple and cheap that we’ll no longer need residential solar financing? Jigar Shah thinks so. Shouldn’t the goal of the PV industry be to NOT need financing? Or,Continue reading “Can We Eliminate Residential Solar Financing? A Conversation About Driving Down PV Costs with Barry Cinnamon from Westinghouse Solar”

Chris Williams Chris Williams

HS TV Ep 8: 1/2 the Drilling Depth, 1/3 the Footprint, SCW vs. Closed Loop Geothermal Systems

Standing column well geothermal projects have significant advantages over closed geothermal projects in certain circumstances. Standing column wells typically need half the amount of drilling then traditional closed systems, because they can transfer heat so much faster. Also, they beContinue reading “HS TV Ep 8: 1/2 the Drilling Depth, 1/3 the Footprint, SCW vs. Closed Loop Geothermal Systems”

Chris Williams Chris Williams

Q+A with Solar Thermal Expert Bob Ramlow: Hard Water Issues, PV Powered Solar Thermal and Air Venting

Bob Ramlow answers student questions about solar thermal. He tackles hard water, PV powered solar thermal systems, and best practices for air vent installations. Is hard water an issue with closed loop solar thermal systems? Are solar PV powered solar thermalContinue reading “Q+A with Solar Thermal Expert Bob Ramlow: Hard Water Issues, PV Powered Solar Thermal and Air Venting”

Chris Williams Chris Williams

Lessons Learned from Inventing a Solar Installation Tool and How it Can Help you Sell More Projects

Let me first start by saying that this article is indeed a piece of shameless promotion. It is about a solar installation tool that I invented while I was running a crew installing residential photovoltaic arrays in Massachusetts. At first, I was notContinue reading “Lessons Learned from Inventing a Solar Installation Tool and How it Can Help you Sell More Projects”

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