Building and ductwork leakage are detrimental to energy conservation, comfort, and
hygiene. They can cause building damage and it can prevent proper control of the
ventilation airflow rates. Through the ASIEPI project, we have identified that while some key
elements for a market transformation on envelope airtightness are under development in
many countries, status quo seems to prevail for the duct market. With the objective of all new
constructions being “nearly zero energy buildings” in 2020, policy makers need to know how …