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• Mass Save Upgrade Heating and Cooling Equipment Guide

  High-efficiency equipment can make your home more comfortable, efficient, and budget-friendly. The Sponsors of Mass Save® provide resources and rebates that help you upgrade.

• About Mass Save® | Energy Efficiency Incentives | Energy Saving Programs

  The Sponsors of Mass Save® offer energy efficiency incentives and energy savings programs to residents and businesses in Massachusetts.

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  Hydroid – Pocasset | Case Studies | Mass Save

  A whole-building design approach helped Hydroid build a high-performance facility with efficient HVAC, lighting, and envelope upgrades for long-term energy savings.

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  South Shore Millwork – Norton | Case Studies | Mass Save

  South Shore Millwork was looking to improve the operational efficiency of their 40,000 square foot, climate-controlled facility by installing energy-efficient processes and equipment.

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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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  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.

• 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.

• Air to Water Heat Pumps | Residential | Mass Save

  Air to water heat pumps can provide a total solution for heating, cooling, and hot water supply in a home.

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  Seal in Your Savings: Why Insulation and Air Sealing Matters for the Heating Season | Massachusetts | Mass Save

  November 14, 2025

  Now’s the time to insulate. See how improving your home’s insulation and air sealing boosts comfort, reduces energy use, and helps you save for the heating season.

• Mass Save | Partner with Mass Save to Benefit Residents and Businesses

  Mass Save® provides building professionals with financial incentives and training opportunities for energy-efficient equipment and building techniques.