Proposed amendments to Massachusetts Stretch and Specialized Code Regulations for low-rise residential and commercial buildings.
The Department of Energy Resources (DOER) proposes amendments to the Stretch and Specialized Code Regulations (225 CMR 22.00 and 23.00) for low-rise residential and commercial buildings. These amendments include revisions to air leakage, thermal envelope, fenestration, and energy efficiency requirements. The DOER received feedback from stakeholders and is making revisions to ensure clarity and effectiveness. Key changes involve stricter air leakage limits, enhanced envelope performance, and increased efficiency for HVAC systems and water heating.
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