Air Barriers for Whole Buildings


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Air leakage in buildings has been shown for years to be a significant percentage of energy costs for buildings. Over the last few years air leakage has been recognized as contributing to moisture problems in buildings with potentially thousands of gallons of water being carried into the building envelope by air leakage. Whole building testing has been an option in the International Codes and in ASHRAE standard 90.1 for some time, but now individual states are understanding the benefits of conducting a whole building blower door test as it is the only test to determine the installed performance of an air barrier system. The accuracy of a whole building test is dependent on the qualification of the personnel conducting a test.

The Air Barrier Association of America developed a training and certification program for Blower Door Technicians during 2021 and launched the program in January 2022 in Seattle Washington.

This session covers the work leading up to the training and certification program development, provides an overview of both the training program and the ISO 17024 certification program, and outlines two new programs being developed in 2022 to support the whole building testing program.

This session is approved for 1.0 AIA HSW



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