[myrion]

Show me that law, because as far as I can tell, that's complete nonsense.

I know of a bunch of people who legally purchased and installed aircon in their homes.

[tomp]

It might vary by canton, I’m in Zürich.

https://archive.is/7g3A9

Yeah you can buy the mobile AC unit, but none of the new-builds in the past 10+ years come with a built-in (fixed) unit.