On March 7, 2014, the ANSI/RESNET 301-2014 Standard for the Calculation and Labeling of the Energy Performance of Low-Rise Residential Buildings using the HERS® Index was adopted. RESNET’s Mortgage Industry National Home Energy Rating Systems needs to comply with the new ANSI standard. After the RESNET standard amendment review and comment process the RESNET Standard Management Board adopted an amendment to the RESNET non-ANSI national home energy rating technical standard. The amendment incorporated ANSI/RESNET 301-2014 as the RESNET home energy rating technical standard The effective date for RESNET-accredited HERS® Rating Tools to be compliant with the requirements of Section 303.1 is 180 days following approval of the amendment by the RESNET Standards Management Board. To view the adopted amendment go to RESNET Quality Assurance Revisions