September 14, 2023 Betsy Pettit is a fellow at the American Institute of Architects, a founder of Building Science Corporation, and a great friend.
September 28, 2023 Updated: October 2, 2023 Exterior Insulation Retrofit—13 Years LATER A 100-year old Sears Roebuck house is a 21st Century example of net zero retrofit details and techniques Design Insulation & Air Sealing YouTube
