NOTE:
HERS Update to Standard ANSI/RESNET/ICC 301-2019 MINHERS Addendum 42 adopted Standard ANSI/RESNET/ICC 301-2019 to replace Standard ANSI/RESNET/ICC 301-2014 as the basis for calculation of the HERS rating. Addendum 42 and has established a “Mandatory Compliance Date” of January 1, 2022. See Section 502.3.2 for the definition “Mandatory Compliance Date” and how it applies to your Rating. Furthermore, for any Rating using Standard 301-2019, the RESNET Guidelines for Multifamily Energy Ratings may no longer be used except as allowed by Section 303.1 Exception 6. Dwelling Units in buildings issued a building permit prior to January 1, 2022 may continue to use the Guidelines pursuant to the requirements of Exception 4.
301.1 Purpose
The provisions of this Standard establish residential energy rating and labeling standards, consistent with the provisions of the Energy Policy Act 1992 that any provider of home energy ratings may follow to produce uniform energy ratings for Residential Buildings.
301.2 Scope
These Standards apply to existing or proposed, site-constructed or manufactured, Dwelling Units and Sleeping Units in Residential and Commercial Buildings, excepting hotels and motels.
301.3 Relationship to Other Standards.
This Standard is a companion to HERS Standards Chapter 1, “RESNET National Standard for Rating Quality Assurance Providers”; HERS Standards Chapter 2, “RESNET National Standard for Instruction, Assessment and Certification"; HERS Standards Chapter 6, "RESNET National Standard for Sampled Ratings" and; HERS Standards Chapter 9 “RESNET National Standard for Quality Assurance”.