CO2 Levels In Home: What ASHRAE Says the 1,000 PPM Number Actually Means
This article may contain affiliate links. If you make a purchase through these links, we may earn a commission at no extra cost to you. Read our full Affiliate Disclosure. Quick Answer If you’ve bought a CO2 monitor, you’ve probably seen 1,000 ppm treated as a hard health line. Per ASHRAE’s own position document, that…