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  • Path 3: High Performance Buildings

    High performance buildings provides building owners and design teams with energy efficiency and low carbon equipment throughout the construction or renovation process.

  • Mass Save | Residential Electrification

    The Sponsors of Mass Save offer nationally recognized energy efficiency programs that help make high-efficiency electric technologies more affordable and can provide helpful information to guide you through your energy decisions.

  • Mass Save | Income Eligible Programs

    The Sponsors of Mass Save have partnered with the Massachusetts Community Action Program Agencies and Low-Income Energy Affordability Network (LEAN) to help eligible Massachusetts residents lower their monthly energy bills and upgrade their homes to be more comfortable, at no cost.

  • Upgrading to Heat Pumps from Existing Commercial HVAC Systems

    Training on heat pump technology and how to upgrade each type of existing commercial HVAC system to a heat pump.

  • Multi-Family High-Rise New Construction Incentives (4 Stories or Higher)

    Builders can receive incentives and rebates from Sponsors of Mass Save® for energy efficiency upgrades to multi-family homes. Let’s get started.

  • Windows | Residential | Mass Save

    ENERGY STAR® certified windows can help reduce energy costs, put a stop to cold drafts in the winter, and reduce UV sun damage to floors, carpets, and furniture

  • Main Streets | Mass Save

    Main Streets connects Massachusetts small businesses with no-cost energy assessments, efficiency upgrades, incentives, and financing through Mass Save.

  • Mass Save | Chillers

    Efficient chillers can lower the temperature of machinery and industrial spaces—reducing the wear and tear on equipment and lowering energy costs.

  • ConnectedSolutions Thermostats | Residential | Mass Save

    Whether you are a homeowner, renter, or run a small business, you can earn incentives from ConnectedSolutions by using your connected devices to help reduce electric use during periods of high energy demand. Earn a $25 enrollment incentive, and a $20 annual incentive for every thermostat connected to a central air conditioner.

  • Summer 2026 | Mass Save Community Insights

    This newsletter provides updates on energy efficiency activity in communities across the commonwealth.