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A comment on The human brain evolved when CO2 levels were lower.

Re:The human brain evolved when CO2 levels were lower by alextingle on Sunday December 22, 2019 @05:52PM (#21860178)
Will turn-of-the-century HVAC systems incorporate CO2 scrubbers?
[ Parent | on HN ]
Re:The human brain evolved when CO2 levels were lower by xattt on Sunday December 22, 2019 @06:19PM (#21860319)
For contemporary home HVAC setups, air exchange systems are already an option. There are also air exchange systems that trigger based on CO2 concentrations. They’re demand-driven because concentrations can vary day to day depending on weather conditions, including wind.
[ Parent | on HN ]