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• Home Energy Assessments | Residential | Mass Save

  Mass Save® on-site energy assessments are available for homeowners, renters, landlords, businesses, multi-family facilities, and income eligible customers.

• Eversource and National Grid Announce 2021 Municipal Partnership Participants

  February 18, 2021

  The Sponsors of Mass Save® today announced that Andover, Cambridge, Chelsea, Framingham, Haverhill, Lawrence, Marshfield, Methuen and Westborough have been selected to participate in the 2021 Municipal Partnership and will benefit from funding and support to implement energy efficiency outreach in their communities. 

• The Sponsors of Mass Save® Announce 30+ Municipal and Community-Based Organizations to Participate in 2022-2024 Community First Partnership

  February 14, 2022

  The Sponsors of Mass Save® today announced that 30 municipalities and 4 community-based organizations across the commonwealth have been selected to participate in the 2022-2024 Community First Partnership and will benefit from funding and support to implement energy efficiency outreach in their communities.

• Save Now and Shop Energy-Efficient Equipment

  What to know before you buy

• Energy-Efficient Lighting for Your Home

  What to know before you buy

• Heating & Cooling | Mass Save

  Make your home more comfortable and energy efficient by upgrading to a new heating and cooling system.

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  Hedison Residence - Newton| Case Studies | Mass Save

  Shortly after David Hedison and his spouse purchased their forever home in Newton, Massachusetts, they noticed extreme temperature fluctuations, leading them to close off certain rooms to keep the main living areas comfortable.

• Clothes Dryers | Mass Save

  High-efficiency ENERGY STAR® certified clothes dryers deliver superior efficiency and performance by incorporating advanced features—using 20 percent less energy than standard models.

• C10.1 Documentation and Tools

  Under the new Massachusetts Stretch Code, 225 CMR 23, new commercial buildings over 20,000 square ft. must use a performance path for compliance. This two-hour training focuses on the two most common performance-based compliance options, Targeted Performance and Relative Performance.

• Stretch Code for HERS Raters

  The Massachusetts stretch code and HERS raters.