
How air sealing combined with proper ventilation improves indoor air quality and comfort.
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How air sealing combined with proper ventilation improves indoor air quality and comfort.

How energy code applies to remodels and additions, and when testing is required.

A step by step walkthrough of what to expect when you work with a HERS rater on a project.

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.

In 2025, Massachusetts HERS Rating requirements are becoming an even more critical part of residential construction and renovation projects. These standards directly impact how builders design and construct homes, ensuring...
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