There are regulations[1] in the UK too. We've had new UPVC windows installed ove... | Hacker News

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rikkus on Jan 22, 2019 | parent | context | favorite | on: On whether changes in bedroom CO2 levels affect sl...

There are regulations[1] in the UK too.

We've had new UPVC windows installed over the past few years and they've all got hidden 'trickle' vents.

[1] https://www.gov.uk/government/publications/ventilation-appro...

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