Supercharge a geothermal geoair climate battery for a greenhouse by using just some Pex tubing and several solar evacuated tube arrays in addition to weeping tile so you can thermostatically control the amount of heat needed in cold winters so you can grow organic tomatoes, peppers, cucumbers and more all year long even in -40' temperatures.

Kirsten Dirksen's channel did a video on Russ Finch's geoair geothermal greenhouse -" Nebraska retiree uses earths's heat to grow oranges in snow " often called Citrus in the Snow - [ Ссылка ]

LDS Prepper built a geoair geothermal greenhouse here [ Ссылка ]


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