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• Explore Rebates, Offers and Services | Residential | Mass Save

  The Sponsors of Mass Save offer incentives on energy-efficient products—allowing homeowners and renters to live better while saving on energy costs.

• Contact Us | Contact Mass Save® | Mass Save

  Mass Save® is a collaborative of Massachusetts’ electric and natural gas utilities and energy efficiency service providers including Berkshire Gas, Cape Light Compact, Eversource, Liberty, National Grid, and Unitil. We empower residents, businesses, and communities to make energy efficient upgrades by offering a wide range of services, rebates, incentives, trainings, and information.

• MA Stretch Energy Code 2023 for Commercial Buildings: Targeted Performance/Relative Performance Compliance Paths (Part 1)

  A discussion on the new TEDI compliance path and Relative Performance Path. Part 1 of 2

• Stretch Code for HERS Raters

  The Massachusetts stretch code and HERS raters.

• R5.0 Residential Municipal Opt-In Specialized Energy Code

  This is a one hour webinar providing an overview of the residential municipal opt-in code.

• Encore Presentation Residential Stretch Code Overview Part 1

  Encore presentation of the residential stretch code training offered in March 2023.

• R7.0 Accessory Dwelling Units ADUs and the Massachusetts Stretch Code

  This is a one hour webinar covering ADUs and the Massachusetts Stretch Code.

• R5.0 Residential Municipal Opt-In Specialized Energy Code

  This is a one hour webinar providing an overview of the residential municipal opt-in code.

• Choosing the Right Commercial Compliance Path: Documentation and Tools

  This is two hour webinar covering Commercial Documentation and Tools.

• C5.3 Commercial Existing Buildings Part 3 Alterations

  This is a one hour webinar covering alterations to commercial existing buildings.