AC is sorely lacking in the EU, e.g. right now I have one in my office but not in my bedroom and nights are horrible, but I do read a lot about people overdoing it quite a bit with AC, aiming at 18-20°C during 30s outside which is a huge energy expenditure when a healthy human should be perfectly fine at higher temperatures
And they had 101 people die of heat-related issues last month. [1] 3,832 Spaniards died in 2025 alone from heat. In 2022, 4,789 died, the all-time high.
The entire United States had 2,325 heat-related deaths in 2023, which is the all-time high.
Do the math (US pop 340M vs Spain 49M) and it gets really ugly.