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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.
HERS Ratings for multifamily buildings in Massachusetts — requirements, costs, and how to get certified under the MA Stretch Code 2021.
Complete guide to blower door testing in Massachusetts. Learn what the test measures, what a passing result looks like under the MA Stretch Code, and how to prepare.
Learn how HERS Ratings qualify Massachusetts new construction for Mass Save rebates up to $4,000+. Step-by-step guide to claiming rebates through your HERS rater.
How much does a HERS Rating cost in Massachusetts in 2026? Get current pricing for single-family ($1,850-$2,500), multifamily ($650/unit), and ADU ($1,600-$1,850) HERS Ratings.
Everything Massachusetts builders need to know about MA Stretch Code 2021 requirements, HERS Rating thresholds, blower door testing requirements, and compliance deadlines.
Looking for the best HERS rater near Boston MA? Learn what to look for in a RESNET-certified rater and why HERS Rating Company delivers 24-hour reports across all 351 MA...
Confused about HERS Ratings vs. energy audits in MA? Learn key differences, when you need each, and how they relate to Mass Save rebates and MA Stretch Code compliance.
Published: May 2026 | Blower DoorAir SealingMassachusetts Failing a blower door test can cause delays on your construction project — but it’s more common than you think, and it’s almost...
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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