Building Codes Q & A Session This is a Q&A session for building codes. Question topics include HER (Home Energy Rating) certificates, airtightness testing procedures for multifamily and commercial buildings, and common issues that occur when documenting equipment in the field. All Audiences IECC Related Videos 45:47 2024 IECC Sunrooms and Garages 1.01:03 2024 IECC Residential Existing Buildings Radon