Draft PDS-01, MINHERS Addendum 90f, Hot Water Modeling (Opens April 28, 2025)

Addendum 90f amends MINHERS® Addendum 81 that added software modeling criteria for service water heating, clothes washer and dryer, and dishwasher modeling for Dwelling Units in multi-family buildings and modify corresponding criteria for single-family Dwelling Units. The addendum also adds a clarification of the linkage of coefficients in Standard 301-2022 Appendix C on software modeling to the Infiltration Volume as determined in accordance with ANSI/RESNET/ICC 380. Addendum 90f will replace Addendum 90i which is currently in effect.

The public comment period will begin April 28, 2025, and end May 28, 2025. Comments will only be accepted on changes indicated by strike through and underlined text in red print in the file.

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