MA Amendments to Energy Code now allow a HERS Rating to be used for 2009 IECC “Performance” Path Compliance. For 1-4 unit residential homes, the 8th edition residential code has an alternative “Performance” path for homes with HERS Ratings of 75 or less. Detailed information from the Mass.Gov is available at this link: http://www.mass.gov/eopss/docs/dps/inf/780-8th-51.pdf. See pages 22-23.
And the following was just approved by the BBRS this week. For residential buildings larger than 1-4 units, the 8th edition base code now allows HERS ratings to be used for residential units up to 5 stories including mixed use buildings. The HERS rating of each individual Home must be 70 or less and will satisfy the “Performance” requirements of the 2009 IECC.