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• Pre-Weatherization Barrier Mitigation | Building Insulation & Weatherization | Mass Save

  Remove asbestos, vermiculite, and knob and tube wiring to allow for weatherization installation.

• Massachusetts Home Energy Services | Free Energy Audits for Your Home

  No-cost on-site assessments and energy saving products. 90 percent off up to $3,000 toward recommended insulation improvements for each individual unit if all eligible units participate in a 1-4 unit building.

• Mass Save | 2023 Air Source Heat Pump Minimum Efficiency Requirements

  The Department of Energy has developed a new procedure for testing heat pump efficiency called the M1 testing method. This testing method was designed to better reflect current field conditions and provide more accurate efficiency ratings.

• Boilers & Furnaces | Residential | Mass Save

  Air source heat pumps are a smarter, more efficient option to keep your home comfortable all year long.

• Residential | Mass Save

  Whether you own or rent, and live in a single- or multi-family home, find ways to save money and reduce your carbon footprint while making your home more comfortable.

• 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.

• 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.

• Heat Pumps | Mass Save

  Install a high-efficiency heat pump for dual heating and cooling—and start saving energy.

• Path to Carbon Neutral | Mass Save

  The Mass Save energy efficiency programs continued to drive meaningful reductions in greenhouse gas emissions in 2023. These programs resulted in 223,000 metric tons of CO2 avoided. That’s the equivalent of taking over 53,000 gasoline-powered passenger vehicles off the road for one year.

• Electrification in Massachusetts | Mass Save

  Through our nationally recognized energy efficiency programs, we are making innovative technologies accessible and affordable to residents and businesses.