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

Certified GeoExchange Desiger Certification – The CGD – What is it? Who needs it? How to get it?

Certified GeoExchange Designer Certification is the most prestigious credential that exists within the geothermal heat pump industry because few people have it.  It’s hard to get because you can’t sit for the exam without some combination of education and experienceContinue reading “Certified GeoExchange Desiger Certification – The CGD – What is it? Who needs it? How to get it?”

Brian Hayden Brian Hayden

“If you can’t install solar at $3.45/watt, you’re going out of business.” Straight Talk on Solar with Jigar Shah at NESEA 2012

Jigar Shah was my favorite presenter at this year’s Building Energy Conference.  Mr. Shah founded SunEdison in 2003 and sold it five years later for $200 million.  Here are some quotes he offered up in the “Energy Subsidies and theContinue reading ““If you can’t install solar at $3.45/watt, you’re going out of business.” Straight Talk on Solar with Jigar Shah at NESEA 2012″

Brian Hayden Brian Hayden

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

The 4 Differences Between Geothermal Standing Column Well and Closed Loop Systems

There are four major differences between standing column well (SCW) and closed loop geothermal systems. The use of exchange fluid Loop materials and characteristics Use of heat exchangers Applications of the technology To learn more about standing column well design, downloadContinue reading “The 4 Differences Between Geothermal Standing Column Well and Closed Loop Systems”

Albert Koenig Albert Koenig