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  2. Is geothermal right for your home or business? Here’s what to ...

    www.aol.com/geothermal-home-business-know...

    Geothermal units are being built at Louisville's Norton Commons. A series of loops are used -- digging down around 350 feet -- for an alternative to traditional HVAC systems.

  3. Geothermal heating - Wikipedia

    en.wikipedia.org/wiki/Geothermal_heating

    Heat pipes extend the temperature range down to 5 °C (41 °F) as they extract and "amplify" the heat. Geothermal heat exceeding 150 °C (302 °F) is typically used for geothermal power generation. [6] In 2004 more than half of direct geothermal heat was used for space heating, and a third was used for spas. [1]

  4. Renewable thermal energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_thermal_energy

    Renewable thermal energy is the technology of gathering thermal energy from a renewable energy source for immediate use or for storage in a thermal battery for later use.. The most popular form of renewable thermal energy is the sun and the solar energy is harvested by solar collectors to heat water, buildings, pools and various processes.

  5. Renewable heat - Wikipedia

    en.wikipedia.org/wiki/Renewable_heat

    The 4,000-square-foot (370 m 2) home cost $125 per square foot (or 370 m 2 at $1,351/m 2), similar to the cost of a traditional new home. Active solar heating uses pumps to move air or a liquid from the solar collector into the building or storage area.

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

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    Geothermal energy will heat and cool this Cudahy home currently under construction. The 1,600-square-foot home will also have 21 solar panels.

  7. 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.