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  • All Electric Home – Northhampton | Case Studies | Mass Save

    Case Study: All-Electric Home in NorthamptonA new home (3,777 square feet) built in Northampton is only heated with a ductless heat pump system—due to a well-thought-out and implemented plan for air sealing and insulating the home.

  • Dick MacDonough Home – Arlington | Case Studies | Mass Save

    Case Study: Dick MacDonoughAfter an existing central air conditioner unit broke down, Dick decided to upgrade to a high-efficiency heat pump and use a smart thermostat—reducing his annual carbon dioxide emissions by 5.1 metric tons.

  • Golden Home – Marshfield | Case Studies | Mass Save

    Case Study: Marshfield HomeJoanne transformed her 1859 family home in Marshfield, MA, into a year-round residence with support from Eversource through the Mass Save® Home Energy Assessment program. Upgrades included a new breaker box, wiring, crawlspace insulation and air sealing, improving comfort and reducing energy costs while preserving the home's historic charm.

  • Mass Save | Building Insulation & Weatherization

    The Sponsors of Mass Save are offering incentives for business owners to upgrade the insulation in their attics and walls, and seal air leakage in their attics.

  • Mass Save | Packaged Terminal Heat Pumps

    By replacing old inefficient Package Terminal Air Conditioning (PTAC) units with a Package Terminal Heat Pump (PTHP) you can reduce your building’s heating and cooling costs significantly.

  • Mass Save | Water Source Heat Pumps

    A water source heat pump uses the same concept as an air source heat pump for drawing out heat from the outdoor air.

  • Integrated Controls | Residential | Mass Save

    Maximize savings by pairing an existing air source heat pump with integrated controls.

  • Mass Save | Building Insulation & Weatherization

    The Sponsors of Mass Save are offering incentives for business owners to upgrade the insulation in their attics and walls, and seal air leakage in their attics.

  • Massachusetts Energy Savings Finder | Mass Save

    This free search tool helps you identify local, state and federal rebates, incentives and tax credits for Massachusetts homeowners and renters. The MA Energy Savings Finder is brought to you by the Massachusetts Community Climate Bank, Rewiring America and Abode Energy Management in partnership with the Massachusetts Clean Energy Center, Executive Office of Energy and Environmental Affairs, Mass Save Program Administrators, City of Boston, Massachusetts Municipal Wholesale Electric Company and Energy New England.

  • Mass Save | Building Management Systems & Controls

    Building Management Systems (BMS) are computer-based systems installed to manage and monitor building equipment like air handlers, boilers, chillers, and more. They can automatically turn off systems and equipment when not in use—reducing energy loads and extending equipment and systems’ operational life.