Sustainable housing: challenges facing zero energy homes in southern Australia

What is a zero energy home? In the current national and global building materials supply chain, are we considering carbon emissions adequately? And what about water? In this presentation Mark will discuss aspects of envelope design, thermal mass and airtightness that must be considered on the pathway to zero. How should we be making our homes such that they require minimal energy for heating or cooling, provide adequate indoor air quality and passively minimise the occurrence of condensation and mould?