While the subject of air infiltration or ‘whole building air tightness’ design and construction is common across Europe and North America where it is legislated and must be proven via pressure testing the finished building, Australian building’s air tightness has not had the privilege of this energy efficiency and comfort focus until now.

With proven operational improvements of up to 25 per cent energy reduction for heating, air infiltration is now seeing a rapid focus in both domestic and commercial Australian sectors. Thankfully, in the absence of any current legislative sticks to start the conversation, the Australian domestic sector is now seeing the…