Earth911 Podcast: Dandelion Energy’s Kathy Hannun on the Promise of Residential Geothermal Heat Pumps

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.

Kathy Hannun, cofounder and president of Dandelion Energy, is our guest on Sustainability In Your Ear.

The Dandelion Energy system includes a heat pump inside the home and buried pipe systems, called ground loops, that transfer heat to or from the building. Geothermal technology is more efficient, cost-effective, and environmentally friendly than traditional furnaces, offering lower operating costs and reduced environmental impact. Kathy shares how the company started and its partnerships with utilities in the Northeast that are embracing geothermal to preserve their business and cut the peak energy demands that tax the power grid and increase emissions during high-demand events like cold snaps and heatwaves. You can learn more about Dandelion Energy at


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