When HN users recommended it
1 HN user recommended this in 2017, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2017, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
You can get one for $60-$100 on amazon. I'd say it's worth it. What gets measured gets managed. If you can deduct such expenses, even better. And the effects on cognitive function of high co2 are stark, according to the linked article.
These two had good reviews on amazon. Same company, one keeps a log, one just displays current. I ordered the one with a log.
https://www.amazon.com/Autopilot-Desktop-Monitor-Data-Logger...
https://www.amazon.com/Autopilot-APCEM-Desktop-CO2-Monitor/d...