Growing awareness of the importance of indoor air quality (IAQ) to human comfort and health is prompting changes in the way that the ventilation needs of built environments are managed.

Activities and processes within buildings themselves, such as washing, cooking and food consumption, can lead to negative impacts on indoor air quality by introducing pungent air particles or lifting humidity to levels that foster the growth of mould. As noted by Sophi MacMilan, environmental scientist and CEO of the Vinyl Council…