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  • to order your copy from Amazon today and learn more about Geothermal Energy and installing Geothermal Heat Pumps in your 众鑫彩票注册 to save money and the environment.

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    3 Comments » for Geothermal Heat Pumps
    1. adjustable adjustable says:

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    2. Jaime Jaime says:

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    3. Geoman Geoman says:

      Hi,
      I would like to know if a geothermal heat pump that can operate bellow -7degC like entering water temperature exists ?
      If yes, where can I find it ?

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