I live in CH now, and I noticed that most buildings have massively thick exterior walls which seem to insulate against the blazing sun during the day, so that at night things are tolerable.

In my office in Zurich, we break out the electric fans during a hot day, and people take off their button shirts and walk around in flimsy undershirts. Most large stores have A/C though.

I honestly don't miss A/C at all, I remember living in NYC during heat waves, and dreading the shock transition from extreme hot to cold that happened when you entered or exited a building.