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Published: June 14, 2008
Ground in truth
Heat pump group verifies ‘green' label
By Richard Mize
"Green” heating and cooling sources are close enough to stand on — within the earth.

But what do people stand on to legitimately claim that installation of a geothermal system is "green”?

They probably rely on training and accreditation from the International Ground Source Heat Pump Association , a Stillwater -based, but international, third-party verifier and trainer of all things to do with geothermal sy...

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