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Home Forums Technical Discussion Off grid ground source heat pump? Re: Off grid ground source heat pump?

#66499
caverdude
Participant

I will say this however, in solar the win win situation is in using direct solar radiation to heat air. So in the geothermal situation maybe warming air isn’t such a bad way to go. It will require a lot of culvert or pipe though. It will also require active ventilation. If you don’t want musty underground smells and moisture in your dwelling then a heat exchanger would be more ideal.

The question becomes, how much energy is needed to blow or push air through the underground system vs operating an electric heater.

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