> it is normal for CO2 to not go below 2000ppm in winter. How many IQ points los... | Hacker News

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J_Shelby_J on Sept 15, 2023 | parent | context | favorite | on: The Ashrae Ventilation Recommendations Are Too Low

> it is normal for CO2 to not go below 2000ppm in winter.

How many IQ points lost does that count for I wonder.

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