Draft PDS-02, MINHERS Addendum 77, Integrated Heat Pump Water Heaters (iHPWH) (Opens April 2, 2025)

RESNET® releases the second public review and comment draft PDS-02 of Addendum 77, iHPWH, for public review and comment. The addendum 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.

The public comment period will begin April 2, 2025, and end May 2, 2025. Comments will only be accepted on changes indicated by strike through and underlined text in red print in the file.

To review the draft addendum, click on “VIEW DRAFT ADDENDUM HERE” below.

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