Andrew Steingiser is a registered architect in Massachusetts and Certified Passive House Consultant with more than 15 years of experience. Steingiser leads Passive House Consulting for RDH Boston, working with RDH’s Energy and Sustainability group, as well as providing building enclosure consulting. He is a member of the Board of Directors for Passive House Massachusetts. Steingiser has experience leading design and construction administration of large-scale, PHIUS-certified higher education projects, as well as other high-performance commercial and residential projects. His current focus includes zero carbon and deep energy retrofits for existing buildings.