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  • Find a Contractor

    We can help connect you with skilled energy efficiency professionals.

  • Condos | Residential | Mass Save

    There are many ways for condos to become more energy efficient and comfortable. We provide guidance, incentives and programs to help owners and associations make energy-saving upgrades.

  • Water Heating | Residential | Mass Save

    Water heating is often a home’s second-highest energy cost. There are a wide variety of high-efficiency water heating systems on the market that help residents save on energy costs and improve the comfort of their homes.

  • 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.

  • Mass Save Blogs

    Explore tips and tricks on ways to save energy and money, and discover the various offerings provided through our programs and services at Mass Save.

  • AC Hotel – Cambridge | Case Studies | Mass Save

    Case Study: AC Hotel CambridgeBy incorporating energy efficiency measures into its original design plans, AC Hotel Cambridge saved $49,000 annually.

  • Medeiros Auto Body – Fall River | Case Studies | Mass Save

    Medeiros Auto BodyMedeiros Auto Body, a small minority-owned business, performed a no-cost energy assessment and installed measures that reduced the gas usage by more than 20% annually, utilizing $9,320 in incentives from Liberty.

  • South Shore Millwork – Norton | Case Studies | Mass Save

    Case Study: South Shore Millwork, Inc.With efficient motors, lighting and controls, energy-efficient air compressor upgrades, and more, this architectural woodwork producer saved $30,491 annually.

  • Sudbury Pines Extended Care – Sudbury | Case Studies | Mass Save

    Case Study: Sudbury Pines Extended CareWith refrigeration upgrades and other energy-efficient measures, this family-owned small business saved $18,000 annually—equivalent to 197 tons of carbon dioxide emissions avoided and 28 cars taken off the road for a year.

  • Sacred Heart Church – Lawrence | Case Studies | Mass Save

    Case Study: Sacred Heart ChurchSacred Heart Church, one of the pillars of the Lawrence, MA community, took weatherization measures to insulate the Gothic church's attic, not only resulting in greater comfort for the parishioners, but also in energy savings of $4,300 annually.