This in-person course combines hands-on learning with technical guidance to empower field testers and designers to perform airtightness testing with confidence and accuracy. This in-person training course provides airtightness field testers and designers with the knowledge and practical skills required to plan, execute, and report on large building airtightness tests in compliance with high-performance building standards and codes. Participants will gain expertise in test standards, site preparation, equipment operation and maintenance, data analysis, and reporting practices. The program is designed…