top | item 37204204 (no title) night815 | 2 years ago Instead of building underground you could use earthen materials but stay above ground.https://www.youtube.com/watch?v=IuQB3x4ZNeA discuss order hn newest friend_and_foe|2 years ago While rammed and compressed earth is great, building underground regulates temperature because the temperature a few feet underground is constant, and such a building is basically a passive geothermal heated and cooled system.
friend_and_foe|2 years ago While rammed and compressed earth is great, building underground regulates temperature because the temperature a few feet underground is constant, and such a building is basically a passive geothermal heated and cooled system.
friend_and_foe|2 years ago