Proposed Addendum 54 Revises Chapter 9 of the MINHERS® to institute quality assurance requirements necessary for implementation of Standard ANSI/RESNET/ACCA/ICC 310-2020, Standard for Grading the Installation of HVAC Systems. The revisions to Chapter 9 are shown with red print in strikeout/underline format in draft PDS-01. Comments will be accepted only on the text shown with strikeout/underline and in red print. To review the draft addendum click on Draft PDS-02 MINHERS® Addendum 54, HVAC Systems Installation Grading QA To submit your comments, click on RESNET Amendment Comment Online Form for Draft PDS-02 MINHERS® Addendum 54, HVAC Systems Installation Grading QA Comments are posted in real-time and you will be able to review comments by clicking on Comments Submitted on Draft PDS-02 MINHERS® Addendum 54, HVAC Systems Installation Grading QA The public comment period will begin February 18, 2022, and end March 20, 2022