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  Dick MacDonough Home – Arlington | Case Studies | Mass Save

  Case Study: Dick MacDonoughAfter an existing central air conditioner unit broke down, Dick decided to upgrade to a high-efficiency heat pump and use a smart thermostat—reducing his annual carbon dioxide emissions by 5.1 metric tons.

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  Golden Home – Marshfield | Case Studies | Mass Save

  Case Study: Marshfield HomeJoanne transformed her 1859 family home in Marshfield, MA, into a year-round residence with support from Eversource through the Mass Save® Home Energy Assessment program. Upgrades included a new breaker box, wiring, crawlspace insulation and air sealing, improving comfort and reducing energy costs while preserving the home's historic charm.

• Mass Save | Heat Pumps

  Keep your business warm in the winter and cool in the summer with clean, electric heat pumps.

• 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.

• Explore Rebates, Offers and Services | Business | Mass Save

  With comprehensive services and incentives on efficient products and technologies, we have solutions for your energy efficiency projects and greenhouse gas reduction goals.

• Accessibility Statement | Mass Save

  Mass Save® Accessibility Statement

• Air Source Heat Pumps Use and Maintenance Tips | Mass Save

  Maximize your savings and comfort.

• 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.

• Mass Save | About Us

  When it comes to climate change, the Sponsors of Mass Save are leading the way to a brighter, more sustainable future

• Solar Power Guide for Energy Savings In Massachusetts

  Contact your energy sponsor through Mass Save to help you decide if solar power is the right option for you.