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

ASHP vs GSHP and The Importance of SEER and EER in Utility Air Conditioning Demand Side Management Programs

Update: this article does not include the new regional efficiency standards that took effect on Jan 1, 2015. See this article on furnacecompare.com for updated definitions. The following post is by Mark Faulkenberry, Manager Marketing & Communications and Kalun Kelley,Continue reading “ASHP vs GSHP and The Importance of SEER and EER in Utility Air Conditioning Demand Side Management Programs”

Chris Williams Chris Williams

Performance Based Contracting is the Future of the Residential Geothermal Business. Prove Me Wrong

(Screen shot of the Ground Energy Support Geothermal Monitoring dashboard) If you’re serious about geothermal, you need to be monitoring your projects in real time. Click here to buy a Ground Energy Support monitoring package. Note, I advise Ground EnergyContinue reading “Performance Based Contracting is the Future of the Residential Geothermal Business. Prove Me Wrong”

Chris Williams Chris Williams

How New England Can Eliminate Oil Use For Single Family Homes for Less Than We’re Spending on Solar PV

I first published this post in Renewable Energy World and it received a lot of comments, mostly getting into all the silly technical details of geothermal and not addressing how to implement policy to eliminate oil use. My hope isContinue reading “How New England Can Eliminate Oil Use For Single Family Homes for Less Than We’re Spending on Solar PV”

Chris Williams Chris Williams

Geothermal and Solar Installers: Get to Know Your Municipal Utility (It’s not a Waste of Time)

“Municipal utilities are more open to trying new things than investor-owned utilities.” This is the lesson I took away from my visit to the Wyandotte Municipal Services as part of a delegation from the Great Lakes Renewable Energy Association.  They’veContinue reading “Geothermal and Solar Installers: Get to Know Your Municipal Utility (It’s not a Waste of Time)”

Brian Hayden Brian Hayden

A Guaranteed 5 Year, $100/MWh FIT For Renewable Thermal Sources Could Eliminate Oil Use for Single Family Homes in Vermont

“A Simple Plan for Eliminating Oil Usage for Single Family Homes in Vermont” was the message of my talk at Renewable Energy Vermont 2012 last Monday. If you’re working in the renewable energy industry in Vermont, you should join REV.Continue reading “A Guaranteed 5 Year, $100/MWh FIT For Renewable Thermal Sources Could Eliminate Oil Use for Single Family Homes in Vermont”

Chris Williams Chris Williams