Is GeoThermal versus Water Source Heat Pump a Distinction Without a Difference?

Discussion in 'General Discussions' started by Keith A Heikkinen, Sep 21, 2020.

  1. Keith A Heikkinen

    Keith A Heikkinen New Member


    My fist post on this forum.

    As the title suggests, I'm looking for clarity if there is any real difference between the two. Correct me if I'm wrong, but a Geo unit is simply a WSHP which derives it's heat transfer from the ground (vertical or horizontal), or a pond versus a WSHP that does so typically with a cooling tower. Otherwise, I can see no practical or mechanical difference.

    Can anyone tell me is this just marketing and semantics, or is there more to it that I'm missing?


  2. geoxne

    geoxne Active Member Forum Leader


    There is a lot of terminology bandied about in the industry. A geo unit is usually designed to operate with a wider range of source temperatures than a cooling tower system, though I wouldn't count on this distinction. A manufacturers published specifications and operating limits should be referenced to confirm suitability for your individual application and designed source temperatures.
  3. Keith A Heikkinen

    Keith A Heikkinen New Member

    Thanks Geoxne.

    I kept thinking I must be missing something, but wasn't sure.

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