Home / NRCan Bulletins / Program Bulletin #144: Information regarding the use of Retrotec manometers for blower door testsProgram Bulletin #144: Information regarding the use of Retrotec manometers for blower door tests January 19, 2026June 12, 2026 Share This bulletin applies to all users of the ENERGY STAR® for New Homes. Login required to view full content.
