Humbly Making an Impact on the Geothermal Industry HeatSpring instructor Ryan Carda doesn’t like to brag about the positive impact he’s had on the geothermal industry. But Brian Hayden, co-founder of HeatSpring, is happy to sing Carda’s praise. “Ryan is the ultimate teacher because he’s so smart and… Continue reading “Humbly Making an Impact on the Geothermal Industry”