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  2. Little-known but efficient, a different way to heat and cool ...

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    But after the 30% federal tax credit plus a $5,000 state tax credit for geothermal plus a rebate from his electric company, it was about $32,000. ... for WaterFurnace. Residential geothermal heat ...

  3. Geothermal energy will heat and cool this Cudahy home. Find ...

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    The water furnace for his system costs about $15,000 compared to around $5,000 for a more traditional gas furnace. For the water furnace, Gottschalk is working with Madison-based Dave Jones ...

  4. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    The direct exchange geothermal heat pump (DX) is the oldest type of geothermal heat pump technology where the refrigerant itself is passed through the ground loop. Developed during the 1980s, this approach faced issues with the refrigerant and oil management system, especially after the ban of CFC refrigerants in 1989 and DX systems now are ...

  5. Geothermal energy in the United States - Wikipedia

    en.wikipedia.org/wiki/Geothermal_energy_in_the...

    The Sonoma Calpine 3 geothermal power station of The Geysers. Geothermal energy in the United States was first used for electric power production in 1960. The Geysers in Sonoma and Lake counties, California was developed into what is now the largest geothermal steam electrical plant in the world, at 1,517 megawatts. Other geothermal steam ...

  6. Geothermal heating - Wikipedia

    en.wikipedia.org/wiki/Geothermal_heating

    Geothermal heating is the direct use of geothermal energy for some heating applications. Humans have taken advantage of geothermal heat this way since the Paleolithic era. Approximately seventy countries made direct use of a total of 270 PJ of geothermal heating in 20

  7. List of hot springs in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_hot_springs_in_the...

    These geothermal resources provided warmth, healing mineral water, and cleansing. [1] Hot springs are considered sacred by several Indigenous cultures, and along with sweat lodges have been used for ceremonial purposes. [2] Since ancient times, humans have used hot springs, public baths and thermal medicine for therapeutic effects. [3]

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  9. Energy in Ohio - Wikipedia

    en.wikipedia.org/wiki/Energy_in_Ohio

    A fun note, in 2010 the Ohio State University student-built Buckeye Bullet 2, a fuel cell vehicle built in collaboration with Monaco-based Venturi Automobiles and equipped with a Ballard fuel cell, set a FIA world speed record for electric vehicles in reaching 307.7 mph (495.2 km/h), eclipsing the previous record of 245.5 mph (395.1 km/h). The ...

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