Kathy Hannun, president and cofounder of Dandelion Energy, introduces an untapped heating and cooling capacity source for homes — geothermal energy. Typically associated with high temperatures and geologically active areas such as hot springs or locations at the intersections of tectonic plates, geothermal heat pumps tap into the consistent year-round temperature of Earth’s outer crust to maintain a comfortable home environment. Dandelion emerged from Google X Lab and is transforming the heating and cooling choices available to New York, Connecticut, and Massachusetts homeowners.

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