this post was submitted on 06 Jul 2026
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[–] Ilovethebomb@sh.itjust.works 11 points 1 day ago (1 children)

This is absolutely something HVAC professionals consider, buildings with a central HVAC system are constantly mixing in outside air for exactly this reason. Installing co2 monitoring in rooms is also done for this exact reason.

[–] treadful@lemmy.zip 8 points 1 day ago (1 children)

This blog post is not for HVAC pros.

[–] Ilovethebomb@sh.itjust.works 4 points 22 hours ago

No, but it shows that hiring one is a worthwhile investment.