1750
Ancient Iran had air conditioning
(lemmy.world)
This is for strictly mildly interesting material. If it's too interesting, it doesn't belong. If it's not interesting, it doesn't belong.
This is obviously an objective criteria, so the mods are always right. Or maybe mildly right? Ahh.. what do we know?
Just post some stuff and don't spam.
But don't "swamp cooling" systems like the one in the OP not work well in humid environments? Sure, I have running water at home, but I also live in an incredibly humid climate.
I was more imagine something like the opposite of a district heating system and then using colling ponds or towers to disappate the heat from the system..