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• 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.

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  Bulfinch-Osborn Triangle – Cambridge | Case Studies | Mass Save

  Energy upgrades across Osborn Triangle’s three buildings cut 1.5 million kWh annually, reduced emissions, and advanced net-zero goals with utility incentives.

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  Crossfit – Charlton | Case Studies | Mass Save

  A no-cost energy assessment helped CrossFit Charlton identify efficiency upgrades like smart controls, reducing energy waste while supporting a sustainable fitness facility.

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  City of Chelsea | Case Studies | Mass Save

  Eversource’s Main Street program delivered energy assessments and upgrades to 80 Chelsea businesses, saving nearly $150,000 annually while supporting local sustainability goals.

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  The Fields Realty Trust – Billerica | Case Studies | Mass Save

  The Fields Realty Trust 40,000 sq. ft. facility was designed to accommodate Office, R&D and high technology uses. The company was looking to reduce operating costs by incorporating energy efficiency measures.

• Explore Custom Energy Savings for Your Business | Get Started | Mass Save

  Find energy savings tailored to your business by telling us a little about yourself or the type of construction you're trying to complete.

• 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.

• Mass Save® Income Eligible No-Cost Energy Efficiency Programs

  Find out if you are eligible for no-cost or discounted energy efficiency services to improve your living.

• 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.

• MAEEP - Refrigerant Emissions Reduction

  The Sponsors of Mass Save were recently approved to support refrigerant leak repair and swap out incentives in their 2025-2027 three-year plan. Join us in this training session to find out more about refrigerants and what these offers involve.