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Tapping the heat beneath your feet with Kathy Hannun of Dandelion Energy
How I Built This with Guy Raz
How to Use Geothermal Heat Pumps to Cool Your Home
The way a geothermal heat pump works is you'll have the whole system run in reverse. You use that refrigerant again to absorb heat from your home. To cool your home, it actually removes heat from the house. The challenge was the types of drilling rigs that people used for geothermal in the United States were the same rigs that were used for water wells. They work well for rural homes with a lot of land and homeowners who don't mind if a giant truck with a very heavy drilling rig drives onto their yard and sends mud everywhere.
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