NOT KNOWN FACTUAL STATEMENTS ABOUT VENTILATION SYSTEMS

CO2 does not have the same marriage with pollutants from non-human sources that it does with human emissions. Off-gassing from developing elements, furnishings, cooking, cleansing and electrical items could possibly be unbiased of occupancy [thirty] e.g., Offermann uncovered reduced CO2 ranges along side dangerously significant levels of formaldehy