Which standard is specified for air leakage in the International Energy Conservation Code (IECC)?

Prepare for the ABAA Whole-Building Airtightness Testing Level 1. Master the concepts with various study materials including flashcards and practice questions. Get ready to ace your exam effortlessly!

The standard that is specified for air leakage in the International Energy Conservation Code (IECC) is ASTM E779 - 19. This standard outlines procedures for determining the air leakage rate of buildings through the use of blower door tests, which measure how much air passes through the building envelope when subjected to a specific pressure difference.

Utilizing this standard is critical for compliance with energy efficiency requirements, as it helps identify areas where air leakage may occur, enabling building owners and designers to make necessary improvements. The procedures outlined in ASTM E779 - 19 provide a consistent method for measuring air tightness, which is essential for reducing energy consumption, improving indoor air quality, and enhancing overall building performance.

The other options, while they may pertain to specific aspects of air and energy performance or different testing methodologies, do not serve as the specified standard for measuring air leakage according to the IECC. This distinguishes ASTM E779 - 19 as the key standard relevant to the question.

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