3 ms·
Most classrooms (at least here) aren't well-ventilated (windows are generally kept closed because of "draft" or alternatively "we aren't heating for the air for
by formerly_proven 6y ago
Most classrooms (at least here) aren't well-ventilated (windows are generally kept closed because of "draft" or alternatively "we aren't heating for the air force!", and buildings generally don't have AC/air exchange), CO2 levels are often far beyond 1000 ppm in classrooms anyway, which is obviously not good (there may be debate if going from 450 ppm to 600 pm leads to worse outcomes, but it's pretty obvious that nausea-inducing levels of CO2 and air so stale it feels like breathing water most definitely lead to worse outcomes).
- wiz21c 6y agoIf climate becomes warmer, then we'll open the windows more often :-)
- klipt 6y agoNot if you're running AC.
- grishka 6y agoI'm from a place where you only need AC one week per year so naturally no one has it except in cars, but I've heard that decent systems, especially central ones, don't recirculate the same air over and over again but take it from the outside.
- Tempest1981 6y agoCheck out HRVs: (air exchangers) https://www.popularmechanics.com/home/interior-projects/how-to/a149/1275121/ https://www.popularmechanics.com/home/interior-projects/how-...