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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

When you refuse to build climate-appropriate homes with things like isolation and instead guzzle giant amounts of fossil-powered energy to compensate for it? Yes. That's not adapting, that's brute-forcing.

Spain's continental climate has both subzero Winters and scorching Summers.

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.

[1] https://www.reuters.com/business/environment/spain-records-h...

Spain has far more elder people than the US.