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

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

Energy efficiency is becoming a top priority in the construction and real estate industries. Whether you’re a homeowner aiming to reduce energy bills, a builder striving for efficient designs, or...
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