Onoff Posted June 30, 2018 Share Posted June 30, 2018 Came across this I thought quite interesting: Link to comment Share on other sites More sharing options...
Dreadnaught Posted June 30, 2018 Share Posted June 30, 2018 (edited) As far as I have read, air-based ground-source heat-transfer systems suffer from nasty microbial things living within the underground pipes. One correction. As was mentioned long ago by @JSHarris, at the depth of those pipes they are not tapping geothermal energy (from from the original formation of the planet and from radioactive decay of materials). Its heat from sunlight that has warmed the ground and soil beneath. Top down not bottom up. I also wonder if the irrigation water would be from a sustainable source. Edited June 30, 2018 by Dreadnaught Link to comment Share on other sites More sharing options...
SteamyTea Posted June 30, 2018 Share Posted June 30, 2018 They grow oranges in Spain, that is on a similar latitude as Nebraska. Link to comment Share on other sites More sharing options...
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