Note that the OP uses ASHRAE's definition of CADR (nominally airflow rate * removal efficiency) and not AHAM's more complicated definition which accounts for co

Note that the OP uses ASHRAE's definition of CADR (nominally airflow rate * removal efficiency) and not AHAM's more complicated definition which accounts for contamination rate. Some details about AHAM's CADR calculation are here: https://frdmtoplay.com/nagivating-air-purification/ https://frdmtoplay.com/nagivating-air-purification/