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jmclnx 6 hours ago

Very interesting article, but remember, making a room more airy will not mitigate the long term effects of CO2 on the Earth.

Older people may remember the push to make your house more energy efficient. So, seems you have a choice, higher energy bills or higher indoors C02.

So what is needed, move off fossil fuels. I remember seeing during the covid lockdown, C02 Levels did not raise for the first time in decades and I think they may have fell a little. That is because auto traffic decreased a lot. Right now I believe we are on our way to +2.5C :(

wiml 5 hours ago | parent | next [-]

The tension between an energy-efficient building and a well-ventilated one is real, but energy-recovery ventilation (ERV or HRV) is a thing and apparently works pretty well. Some kinds use counter-flow heat exchangers, some use an oscillating flow over a thermal mass (sometimes also a sorbent to keep moisture in or out).

nmlt 2 hours ago | parent | prev | next [-]

Your reply is unrelated to the article which discusses measuring CO2 in order to gauge pathogen transmission risk.

Thorrez 5 hours ago | parent | prev | next [-]

>So, seems you have a choice, higher energy bills or higher indoors C02.

An HRV or ERV can help with that.

https://en.wikipedia.org/wiki/Heat_recovery_ventilation

piskov 3 hours ago | parent | prev [-]

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