
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.

What information a rater needs from your plans to start the compliance process smoothly.

What thermal bridging is, why it undermines insulation, and how to design it out of your home.

How heat pump water heaters cut energy use, support electrification, and influence your HERS score.

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.

How U-factor and SHGC affect comfort, code compliance, and your HERS score in Massachusetts.

Insulation approaches that reduce heat loss, control moisture, and help hit demanding HERS targets.

Why high efficiency heat pumps can dramatically improve your HERS score and support electrification goals.

An overview of the Specialized Opt-in Code, electrification readiness, and what it means for new projects.
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