Airtight building envelopes have led to a higher concentration of contaminants in indoor air, a phenomenon associated with the »sick building syndrome«. While exact thresholds are defined for contaminant concentrations in indoor air, olfactory comfort is only pursued with the vague aim of minimising adverse factors.
»Have a good sniff around when you enter a room!« Hanns Hatt
»Have a good sniff around when you enter a room!« Hanns Hatt