Stanford's cogen plant has an underground "ice cube" for campus/municipal chilled water infrastructure. Perhaps scaling something like that makes sense or perhaps to use an absorption heat pump (AHP) that can operate like and the reverse of an Einstein–Szilard refrigerator?
Joel_Mckay|27 days ago
https://www.youtube.com/watch?v=7J52mDjZzto
https://www.youtube.com/watch?v=7zrx-b2sLUs
Unless you live in a cold climate, they are worth it for a discounted energy bill =3
burnt-resistor|27 days ago