This webinar discusses major changes to the 2021 Residential IECC (International Energy Conservation Code). All Audiences IECC,residential,significant changes You may also like 48:30 IECC 2024 Commercial 1:20:17 Interconnection of Vapor and Air in Walls 58:09 2024 IECC Commercial Compliance Paths 1:01:29 Commercial Air Barriers 1:16:02 Residential Vapor Management 51:17 Refrigerants and Energy Efficiency 1:07:38 IRC Chapter 11 Overview Part 2 58:17 Building Envelope Performance Verification 49:03 Building Science 101 Commercial «1234…9»Page 2 of 9