The following standards and building codes provide specifications and requirements of building air tightness and procedures to calculate air leakage rates in building envelope.
| Country | Standard | Remarks |
|---|---|---|
| Germany | Passivhaus Standard - PHI-1999/6 - Airtight Design: A Planning Aid for Passive Houses | Literature on thermal bridges and resources for thermal bridge free construction |
| International | ISO 9972:2015 - Thermal performance of buildings -- Determination of air permeability of buildings -- Fan pressurization method | Provides standardised testing protocol to test air leakage rates through a building envelope under controlled pressurization and de-pressurization |
| UK | CIBSE Guide F: Energy Efficiency in Buildings | Holistic guide on energy efficiency in buildings with information on air tightness |
| USA | ANSI/ASHRAE/IESNA Standard 90.1-2013 - Energy Standard for Bui dings Except Low-Rise Residential Buildings | Provides requirement for air tightness of buildings (among other key indicators that effects energy efficiency in buildings) |
| USA | California Energy Commission – 2008 Building Energy Efficiency Standards for Residential and Non-residential Buildings. (The new 2013 Standards will go into effect on July 1, 2014) | Provides requirement for air tightness of buildings (among other key indicators that effects energy efficiency in buildings) |
| USA | ASTM E779 – 10: Standard Test Method for Determining Air Leakage Rate by Fan Pressurization | Provides standardised testing protocol to test air leakage rates through a building envelope under controlled pressurization and de-pressurization |
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