PUBLIC COMMENT Draft PDS-02 HERS Addendum 84, RFI Certification The Addendum amends the HERS Chapter 2 training, testing, and field evaluation requirements for RFI certification, and requirements for recertification. Draft PDS-02 incorporates a change to draft PDS-01 in response to public comment. The draft addendum, comment form, and comments received are posted at Draft PDS-02, HERS Addendum 84, RFI Certification. Public comments will be accepted from September 3, 2025, through October 3, 2025. Draft PDS-01 HERS Addendum 94, GSHP Shared Pump Power The HERS Addendum amends ANSI/RESNET/ICC 301-2022 calculations of pump power where multiple Ground Source Heat Pumps (GSHP) share a common water loop. The draft addendum, comment form, and comments received are posted at Draft PDS-01, HERS Addendum 94, GSHP Shared Pump Power. Public comments will be accepted from September 3, 2025, through October 3, 2025. Draft PDS-02 RESNET 1550, Embodied Carbon RESNET® releases draft PDS-02 of RESNET 1550, Embodied Carbon, for public review and comment. The standard provides a consistent methodology for the calculation and reporting of the embodied carbon of dwelling and sleeping units. The standard defines the scope for calculating embodied carbon and a methodology for conducting the calculations that uses the same modeling data and processes and reporting employed by standard ANSI/RESNET/ICC 301. This second draft of the standard has been revised in response to public comment on the first draft, PDS-01. Comments will be accepted on the changes to draft PDS-01 as shown in draft PDS-02 in red print. The draft addendum, comment form, and comments received are posted at Draft PDS-02 RESNET 1550. Public comments will be accepted from September 3, 2025, through October 3, 2025.
