News for hackers. Stuff that matters.

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

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 ]

There are no comments on this comment yet.