Larry Harmon, Vice President of Air Barrier Solutions, LLC, trains and consults on building envelope issues and markets building envelope services in the commercial, residential and institutional sectors. Air Barrier Solutions is currently involved in studies on air leakage in buildings with the Center for Energy and Environment and ASHRAE. Mr. Harmon has managed local and statewide efficiency programs. He was the founding executive director of the Building Performance Institute and has consulted with utilities, government organizations, contractors, manufacturers and developers.