RESNET® releases Draft PDS-01 MINHERS Addendum 77, Integrated Heat Pump Water Heaters, for public review and comment. Proposed MINHERS Addendum 77 amends the 2022 edition of Standard 301 to define terms, provide clarifications, and enhance the assessment of integrated Heat Pump Water Heaters located in confined spaces. Draft PDS-01 of RESNET/ICC 301-2022 Addendum 77 is submitted for public comment for 45 days, beginning December 2, 2024, and ends January 17, 2025.
