Back in the real ancient times I found out how they actually ended up having some form of air conditioning.
The real thing that they did to make air conditioning of some form before there was easily window cooling systems and central heating and cooling systems was by putting dry ice in a bag or tub and pouring water over it.
This of course would not in a million years be able to combat the extreme heat in the desert. But in those nights all the people did not live in that section of the world. It also worked to keep people alive when it would get super hot where they were at. And that part was great. I could not imagine having to make your own air conditioning like that. I would personally never be able to live with dry ice as air conditioning because it would never be enough cooling for what our bodies are used to and need this week in terms of air conditioning. They just did have hot water boilers for heating though, which was more or less the same as it is now. However, with air conditioning the dry ice was all that they had. I would easily hate to try and live back then in those times without the true and real air conditioning that my friend and I have this week and even the more primitive forms of air conditioning my friend and I had with the heating and cooling technology that existed when I was growing up 40 some years ago. Thinking about this whole dry ice for cooling system thing makes me easily cherish this week’s advanced heating and A/C technology!