I recently constructed a small lean-to greenhouse (video here: https://youtu.be/OzTf638Xcu0) against my screened-in patio. In this video I show you how how I added a Vertical Geothermal “Earth Tube” system to heat and cool the new greenhouse. The Vertical Geothermal Earth Tube is a low-cost alternative to the conventional Earth Tube, which requires you to […]
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20 foot Horizontal aeroponic garden built out of 6″ PVC pipe. 20 high pressure nozzles supply the nutrients at 100 PSI. 100 feet of 1/4 inch tubing is buried and coiled 15 feet into the ground to cool the nutrient water before exiting the spray nozzles.
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Most vertical (well) geothermal systems circulate antifreeze down-hole for heat pumps. The “Earth Tube” system is a much simpler approach – blower circulates cold/hot air from the surface to underground, usually via buried plastic tubing. All the earth tubes that I’d seen previously were “horizontal” systems, meaning buried in trenches dug by a backhoe. Here, […]
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This is part 2 of a two-part series on vertical geothermal “Earth Tubes”, applied to heating and cooling of greenhouses. In part 1 (https://youtu.be/e8AosXQ3OaA), I describe the background behind the project and its performance. In this video, I quickly summarize how the system was built.
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Gardening through winter with no heat is awesome! The Geo-air tunnel has surpassed my best hopes for an affordable, easy to build greenhouse that doesn’t require additional heat to grow food during winter. Of course using the Mittleider gardening method to grow food has helped immensely. Come see what has been growing, in Winter, in […]
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