A better way to both heat and cool a building passively is the Skytherm Roof: https://www.google.com/search?rlz=1C1GIGM_enUS553US553&sxsrf=ALeKk036e-2kRfX1ZHS8

A better way to both heat and cool a building passively is the Skytherm Roof: https://www.google.com/search?rlz=1C1GIGM_enUS553US553&sxsrf=ALeKk036e-2kRfX1ZHS8gCbpchqHWxdBaQ:1628708580369&source=univ&tbm=isch&q=skytherm+roof&sa=X&ved=2ahUKEwiQ_P-i1KnyAhVIgp4KHTgrCrAQjJkEegQIIxAC https://www.google.com/search?rlz=1C1GIGM_enUS553US553&sxsrf... https://www.architectmagazine.com/technology/harold-hay-skytherm-and-the-quest-for-passive-cooling_o https://www.architectmagazine.com/technology/harold-hay-skyt...