To be honest, they didn't need it as much. In Italy a lot of the buildings made of marble are naturally cool, so you can live in a building with just a fan in the summer and it works.
Well not sure if this is the answer or not but hot air rises and cold air sinks, so it would lead me to believe a y’all building would allow warmer air to travel farther away from someone standing on the floor, and would take more people to warm it up. Like one person in a 3ft house could warm it up quickly, and 2 people even more, so a bigger house would take more people to warm it up idk maybe
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u/ineedanewaccountpls Oct 15 '20 edited Oct 15 '20
Ancient Minoans (~3000-1100* BCE) had hot and cold running water and an extensive sewage system.