Marcus Strang is a specialist sustainability engineer and experienced Certified Passivhaus Designer, having had the opportunity to work on many Certified Passivhaus buildings in Australia. His expertise is in refining building energy performance, analysing thermal envelope junctions and fenestration details, as well as identifying interstitial and surface moisture risks using hygrothermal modelling tools. Marcus’s interests encompass holistic systems design, building physics, passive design optimisation and natural building materials. Currently, also a PhD Candidate specialising in the Passivhaus Standard and mass timber design, which he sees as a fundamental step for striving towards net-zero carbon emission buildings and a thriving, vibrant society.

Walter is a Chartered Professional Mechanical Engineer, Registered Building Practitioner, and a Certified Passivhaus Consultant. He has experience in the design of high-performing HVAC systems and understands the important role they play in providing high indoor air quality and operating at energy-efficient levels to reduce energy consumption. Walter has designed all-electric net zero carbon buildings and is familiar with the key design requirements to successfully achieve energy targets and switch to all-electric buildings.