I’ve seen someone do something slightly like this with a greenhouse. It had a large tank of water in the middle. It was black, so it absorbed sunlight during the day, heating the water, and then that kept the temperature up at night.
I think it also had something to do with an aquaponics setup? Like there were either fish in the tank, or in a “pond,” and fish shit water would be cycled out to the plants because fertilizer?



















Something you’ll forever see now: In the United States, homes in the North have inboard chimneys and hearths. The brickwork is inside the walls for better heating in the winter. Homes in the South have outboard chimneys, so that you can cook in the summer without dying of heat stroke.