Home / NRCan Bulletins / Program Bulletin #143: Information regarding the use of Retrotec manometers for blower door testsProgram Bulletin #143: Information regarding the use of Retrotec manometers for blower door tests November 17, 2025June 12, 2026 Share This bulletin applies to all service organizations and energy advisors delivering the EnerGuide Rating System. Login required to view full content.
