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Industry updates and insights

From HeatSpring, leading online learning platform on solar, heat pumps, building science, energy storage and more.

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”

Chris Williams Chris Williams

How the Shift from Early Adopters to the Mass Market Impacts your Solar Marketing Efforts

What strikes me most about renewable energy websites is how much companies tend to to talk about themselves and the technology and not about what the customer actually cares about. Actually, let me rephrase this, what “mainstream customers” care about.Continue reading “How the Shift from Early Adopters to the Mass Market Impacts your Solar Marketing Efforts”

Chris Williams Chris Williams

The Battle to Reduce Solar’s “Soft Costs” is Starting and How it Can Increase Your Solar Company’s Profits

The solar industry is going through massive change. Module and balance and systems prices are dropping quickly, there has been an influx of new products, financing is becoming commoditized and the solar supply chain is shifting rapidly. The results ofContinue reading “The Battle to Reduce Solar’s “Soft Costs” is Starting and How it Can Increase Your Solar Company’s Profits”

Chris Williams Chris Williams

IGSHPA Installer Accreditation Versus Vertical Loop Installer (Driller) Accreditation

In the past, we’ve written a few articles about what exactly the IGSHPA accreditation is, if it’s worthwhile, and when contractors should get it. The International Ground Source Heat Pump Association (IGSHPA) now has a separate program for drillers, called “VerticalContinue reading “IGSHPA Installer Accreditation Versus Vertical Loop Installer (Driller) Accreditation”

Chris Williams Chris Williams