
What does your HERS score mean? Learn how the HERS Index works, what score you need for MA Stretch Code compliance, and how to lower your score.
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What does your HERS score mean? Learn how the HERS Index works, what score you need for MA Stretch Code compliance, and how to lower your score.

Need a HERS Rating in Boston, MA? HERS Rating Company is a certified RESNET and Mass Save-approved HERS Rater serving Boston and Greater Boston for new construction.

Mass Save offers significant rebates for energy-efficient new construction in Massachusetts. Learn how much you can earn and how to qualify with a HERS Rating.

Not all HERS Raters are the same. Learn what to look for when hiring a certified HERS Rater in Massachusetts for new construction energy code compliance.

HERS Rating vs Energy Star certification — what is the difference and which does Massachusetts require? Learn how these two programs relate under the MA Stretch Code.

Complete guide to duct leakage testing in Massachusetts. MA Stretch Code 2021 requires 4 CFM25 per 100 sq ft. Learn cost, process, and what to do if you fail.

Massachusetts is pushing toward net zero buildings. Learn what the MA Stretch Code, BERDO, and net zero requirements mean for new construction developers in 2026.

What happens if your Massachusetts home fails a blower door test? Learn the passing threshold, common failure causes, and how to fix air leakage before your retest.

What energy code applies to new construction in Massachusetts in 2026? The MA Stretch Code 2021 is the standard. Here is what builders and developers need to know.

Does your Massachusetts ADU need a HERS Rating? Yes — learn what the MA Stretch Code 2021 requires for accessory dwelling units and how much it costs.

At HERS Rating Company, we specialize in energy efficiency consulting and code compliance for residential and commercial buildings. With over 30 years of combined experience, our team of RESNET Certified HERS Raters is dedicated to helping homeowners, builders, and developers achieve optimal energy performance while meeting industry regulations.
We offer a full range of building performance testing and verification services to fit your project’s needs.
At HERS Rating Company, we are committed to providing the highest quality energy consulting services to homebuilders, architects, and developers across Massachusetts.
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