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The original item was published from 12/16/2022 3:11:00 PM to 12/16/2022 3:16:57 PM.
News Flash
Building Department
Posted on: December 16, 2022[ARCHIVED] CHANGES TO THE BASE & STRETCH ENERGY CODES EFFECTIVE 1/1/2023
Base Code: The 2021 IECC Energy Conservation Code begins 1/1/2023
Stretch Energy Code is now 225 CMR Chapter 22
Minimum HERS Rating for low rise residential construction = 52
Mechanical air HRV OR ERV is now required. Exhaust only option is over.
