As of 2024, Massachusetts continues to lead in energy-efficient homes, with the state having some of the most stringent HERS (Home Energy Rating System) requirements in the country. The HERS Index is a key measure of a home's energy efficiency, and lower scores indicate better energy performance.
In 2016, Massachusetts had already set the pace with 61% of homes sold being HERS Rated. Since then, the state's commitment to sustainability has only intensified. As of July 2024, new energy codes require even stricter HERS Ratings for residential buildings. For example, the maximum HERS Index score for new mixed-fuel homes in Massachusetts has now dropped to 42, and for all-electric homes, the requirement is a HERS 45.
This push for lower HERS scores has significantly impacted new home construction and renovations, emphasizing energy efficiency to a degree that far surpasses national averages. For comparison, the typical existing home built before 2000 might have a HERS score around 130. However, with these new codes, Massachusetts aims for average HERS scores in the 40s, which is significantly lower than the national average for new homes.
These changes highlight the state's leadership in promoting energy-efficient homes, making Massachusetts a model for others to follow in the pursuit of sustainability and reduced energy consumption.
A9 Green has contributed to this exciting statistic by providing HERS Ratings to over 3,400 homes throughout the Massachusetts and New England area.
Contact us to get started with a HERS Rating for your property.
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