
How HERS ratings and energy testing apply to apartments and condos, and what developers should plan for.
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How HERS ratings and energy testing apply to apartments and condos, and what developers should plan for.

Practical, high impact air sealing measures that tighten the envelope and lower your HERS Index.

A timeline for involving a HERS rater at each phase so testing and compliance stay on track.

What net zero energy means, how it is verified, and what it takes to build one in the Massachusetts climate.

The most frequent air leakage culprits we find during testing and how to address them before your final inspection.

What duct leakage testing measures, how it affects HVAC performance, and where it fits into Massachusetts code compliance.

How a blower door test works, what the numbers mean, and why air tightness is central to passing energy code in Massachusetts.

A clear overview of the Stretch Code, how it differs from the base code, and what builders need to do to comply.

A practical look at Mass Save residential new construction incentives and how a HERS rating helps you capture them.

A plain-English guide to the HERS Index, how the score is calculated, and why it matters for Massachusetts homeowners and builders.
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