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385 results

• 
  The Benefits of Switching to a Heat Pump Water Heater | Mass Save

  February 4, 2026

  Upgrade to a heat pump water heater for enhanced efficiency and savings. Discover how to make the switch and improve your home's energy use.

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  Simple Ways to Improve the Efficiency of your Commercial HVAC System | Massachusetts | Mass Save

  May 18, 2026

  Improve the energy efficiency of your commercial HVAC with small, practical upgrades that boost performance, reduce strain, and support long-term system reliability.

• 
  Before you turn on the AC: 5 ways to reduce cooling costs this summer | Massachusetts | Mass Save

  July 2, 2026

  Try these five smart ways to reduce cooling costs, improve comfort, and use energy more efficiently before you turn on the AC this summer.

• 
  A step-by-step guide to small business building electrification | Massachusetts | Mass Save

  July 27, 2026

  Learn how building electrification replaces fossil fuel systems with efficient electric solutions that can lower emissions and improve energy performance.

• 
  Mass Save Community Education Grant

  Funding and support for energy efficiency education and engagement.

• 
  School Activities and Resources

  Tools and funding to help educators bring energy efficiency into the classroom.

• 
  Efficient Audio | High Efficiency Speakers | Efficient Speakers

  Switch to ENERGY STAR® certified audio products and enjoy the sweet sound of savings.

• HVAC Equipment & Major Components

  This is the fifth session in our HVAC Energy Efficiency Basics webinar series. Some of the sessions will build on each other, but you may choose to participate in any or all of them.

• Heat Pumps | Mass Save

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

• Contact Us | Contact Mass Save® | Mass Save

  Mass Save® is a collaborative of Massachusetts’ electric and natural gas utilities and energy efficiency service providers including Berkshire Gas, Cape Light Compact, Eversource, Liberty, National Grid, and Unitil. We empower residents, businesses, and communities to make energy efficient upgrades by offering a wide range of services, rebates, incentives, trainings, and information.