Every property management company will set the recycled percentage in the HVAC system to a different amount based on climate and budget. In my opinion, folks s

Every property management company will set the recycled percentage in the HVAC system to a different amount based on climate and budget. In my opinion, folks should bring a Co2 sensor to work and then ask their facilities team to work with property management to lower the recycled air percentage if the ppm is too high. You can expect them to push back and cite OSHA guidelines [1] [1] - https://www.cdc.gov/niosh/pel88/124-38.html https://www.cdc.gov/niosh/pel88/124-38.html