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Most geothermal systems have the air go thru a heat exchanger of some kind and energy transfer with the Earth happens via a much more conductive medium, like an
by reza_n 10y ago
Most geothermal systems have the air go thru a heat exchanger of some kind and energy transfer with the Earth happens via a much more conductive medium, like anti-freeze liquid. This isn't limited to the very rich either, its as common as installing solar panels.
- striking 10y agoThis is a description of such a geothermal system, but a little more specific: http://www.renbrook.org/page.cfm?p=573 http://www.renbrook.org/page.cfm?p=573
- lsllc 10y agoAnti-freeze (glycol) is only used on a closed loop system. An open loop system pumps ground water from a drilled artesian well.