BSR/RESNET/ICC 301-2019, Standard for the Calculation and Labeling of the Energy Performance of Dwelling and Sleeping Units using an Energy Rating Index

February 21st, 2018 - Posted by under RESNET News

The ANSI/RESNET/ICC standards are under “continuous maintenance” and several addenda to the first edition of Standard ANSI/RESNET/ICC 301-2014 have been approved. Approved addenda and additional revisions will be integrated in the body of the standard in the updated edition: 301-2019.
The current approved addenda that are integrated into the attached public review draft 301-2019 are:
  • Addendum A – Domestic Hot Water (DHW)
  • Addendum B – Innovative Design Requests (IDRs)
  • Addendum D – Adoption of ANSI/RESNET/ICC 380-2018 and Addendum A-2017
  • Addendum E – House Size Index Adjustment Factor (IAF)
  • Addendum G – LED lighting
The following three addenda are in various stages of development and public comment, so they are NOT part of the attached draft.
  • Addendum L – Duct Leak to Outside Exception
  • Addendum F – Insulation Grading Appendix
  • Addendum N – Inspections for Minimum Rated Features Appendix
Additional revisions to be incorporated in the updated 301-2019 edition provide improved criteria for attached dwelling and sleeping units developed by the Multifamily Sub-Committee (based on RESNET’s Guidelines for Multifamily Energy Ratings) and other improvements.
Several other continuous maintenance proposals submitted within the past six months are at an initial stage of review and project initiation.
 CLICK HERE for a “preview” copy of Standard 301-2019. 
The text for the 5 completed and adopted addenda are NOT shown in tracked changes. If you prefer a copy where the addenda A, B, D, E and G are highlighted in contrast to current 301-2014, it can be provided upon request, please e-mail Emma Bennett at
All other proposed changes to 301-2014 are noted as tracked changes. Some are specific to multifamily, some are editorial, and some are in response to interpretations.
PLEASE NOTE: This is not a notification of the official public comment period!
The public comment period will officially begin in early March 2, 2018 and a separate email communication will be sent. This preview copy is being provided in advance to 2018 RESNET Conference attendees. Those who are interested in a guided tour of the changes to 301-2014 should plan to attend these two RESNET Conference sessions below:
Session: The Future of the ERI Standard ANSI/RESNET/ICC 301 and the HERS Standard MINHERS – Next Editions (Overview)
Day: Monday February 26, 2018
Time: 10:30-Noon
Room: Grand Salon III
Session: How Standards are Evolving to Better Address ‘Multifamily’ Ratings
Day: Tuesday February 27, 2018
Time: 10:30-Noon
Room: Grand Salon VI
For those who cannot attend the conference, a webinar will be held on March 20, 2018 to review the proposed changes and answer questions. To register for this webinar, CLICK HERE.

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