This 3.5 Hour online session is entitled “HIABC: The Details I” and begins with a brief overview of the Step Code. This session then expands on metrics for home energy performance and testing methods followed by coverage of current building methods as to why they don’t work right now and why they won’t work under the Step Code. The discussion then leads to an overview of future construction practices and where the industry is going along with a review of air tightness methods and ventilation systems as a means of moisture and temperature control. Murray then explains the roles and newfound importance of good knowledgeable CEA’s. The explanation is followed by discussing air tightness, testing methods and ways of improving performance as well as vapour barrier, testing methods and ways of improving performance.