Dan Nall is a professional engineer, a registered architect, an ASHRAE and an AIA Fellow, a LEED Fellow, an ASHRAE Certified Building Energy Modeling Professional, a certified High Performance Building Design Professional and a Certified Passive House Consultant. He is currently a member of the ASHRAE Task Force for Building Decarbonization, is Chair of ASHRAE Standards Project Committee 227P, the Passive Building Design Standard, and is a member of the Commercial Buildings Working Group of the New York City Local Law 97 (Building Carbon Emissions Limitation) Advisory Group. He has been involved in building energy efficiency and HVAC engineering for 45 years. Series: "Institute for Energy Efficiency" [Science] [Show ID: 38478]