Explaining the Air Leakage Testing Update in the 2021 IECC

By |2024-02-14T11:31:50-07:00February 14th, 2024|Blower Door Testing, Energy Code Info|

Blower door testing (or air leakage testing) is an important part of the building process, as it determines the overall air tightness of a building, and helps to identify problematic leaks that may be present. As a result, it has been required for all new construction and additions since the 2015 IECC was released. [...]