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What is the difference between these two renewable energy air conditioning systems?

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    Some context to your particular situation might (or might not) be useful... if you'd like to edit that into your question, you may get a more useful response. Nov 17, 2015 at 6:40
  • related: sustainability.stackexchange.com/q/4400/48
    – 410 gone
    Nov 17, 2015 at 11:31
  • @EnergyNumbers I think i can understand some concepts about it, ty Nov 18, 2015 at 7:52

1 Answer 1

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A ground-source heat pump is not a form of geothermal energy at all.

Geothermal:

  1. energy source is underground natural nuclear reactions;
  2. source temperature is over 50°C;
  3. Energy is extracted with passive heat exchangers.

Ground-source heat pumps:

  1. energy source is solar radiation;
  2. source temperature is about the same as annual average air temperature;
  3. Energy is extracted using active technology, compressing and expanding fluids to lift the temperatures to something useful.
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  • I see. Ground-source heat pump is not exactly a form of Geothermal energy Nov 18, 2015 at 7:50
  • Ground-source heat pump is not a form of geothermal energy at all.
    – 410 gone
    Nov 18, 2015 at 7:55
  • So the geothermal heat pump refers to geothermal energy? Nov 18, 2015 at 8:05
  • Can you give a specific example of a "geothermal heat pump"?
    – 410 gone
    Nov 18, 2015 at 8:06
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    Oh, I see. That is weird.
    – 410 gone
    Nov 18, 2015 at 8:17

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