Home / NRCan Bulletins / Program Bulletin #112: Impact on the EnerGuide Rating System due to changes in CGSB Standard 149.10 and Blower Door WebinarsProgram Bulletin #112: Impact on the EnerGuide Rating System due to changes in CGSB Standard 149.10 and Blower Door Webinars December 21, 2023June 14, 2026 Share This bulletin applies to all service organizations and energy advisors delivering the EnerGuide Rating System. Login required to view full content.