Duane Jonlin

Energy Code and Energy Conservation Advisor, City of Seattle

Duane Jonlin is the Energy Code and Energy Conservation Advisor for Seattle’s Department of Construction and Inspections and in June 2021 was appointed Chair of the IECC Commercial Code Consensus Committee. Additionally, he serves on the ASHRAE 90.1 Committee, the Energy Code Technical Advisory Group for the Washington State Building Code Council, and advisory groups for ICC and ASHRAE. In 2016, he was elected to the AIA College of Fellows, and was one of the recipients of the Jeffrey A. Johnson Award from the US Department of Energy. He is an invited speaker nationally on issues of energy codes and efficiency. Prior to taking his position at the City of Seattle, Duane was a principal at NBBJ, with 30 years’ experience working on complex projects as a technical architect.