[Vegemeister]

Clown if you want, but he's absolutely right. There is exactly one sentence in that entire damn thing that comes close to touching on the question of why ventilation is desirable, and it is:

>Pleasant, healthy air to breathe is the most important food for human beings.

[eep_social]

I’m clowning because OP seems to be mostly dedicated to whining.

To your point, the original post requested information specific to European standards where AC is not common. I don't care to spend time solving internet stranger’s problems but Minergie would be a good place to start because they presumably didn’t fabricate their standards. A curious, motivated person could track down whatever they’ve published, which is most likely in German.