PUBLIC COMMENT DRAFT PDS-01 RESNET/ICC 380-2028, Standard for Testing Airtightness of Building, Dwelling Unit and Sleeping Unit Enclosures; Airtightness of Heating and Cooling Air Distribution Systems; and Airflow of Mechanical Ventilation Systems. Draft PDS-01 of RESNET/ICC 380-2028 is the first public review draft of the next edition of the standard. The proposed revisions align the standard with Standard 301, addresses ambiguities identified through interpretation requests and includes editorial changes to improve clarity and consistency. To review the draft addendum and provide comments, visit: Draft PDS-01, RESNET/ICC 380-2028, Update. Public comments will be accepted from August 7, 2026, through September 21, 2026.
