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Seal in Your Savings: Why Insulation and Air Sealing Matters for the Heating Season | Massachusetts | Mass SaveNovember 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.
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Pump Up the Savings with a Heat Pump Water HeaterSeptember 10, 2018
If you have an electric hot water heater and it is 10 years or older, it’s likely costing you money in wasted energy, and it’s time to replace it.
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What is a Heat Pump and When Should You Make the Switch? | Massachusetts | Mass SaveDecember 17, 2025
Learn what a heat pump is and when you should consider switching to it. Find out about ways you can save energy with heat pumps while using rebates
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Mini-Splits, Big Rewards: Get More from Efficient Heating TechnologyOctober 4, 2017
Do you use electricity, oil, or propane to heat your home and dread another winter of potentially high energy bills? Consider installing an electric mini-split heat pump system.
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What You Need to Know Before Installing a New Cooling SystemAugust 3, 2018
If you’re in the process of choosing a new central air conditioner or central heat pump, there are two important considerations to maximize home comfort, efficiency, and energy bill savings
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C10.2 TEDI: Common Mistakes & How to Avoid Them
The Targeted Performance Path of the Massachusetts Stretch Code 2023/2025 requires projects to use energy modeling to demonstrate compliance with heating and cooling Thermal Energy Demand Intensity (TEDI) targets. This one-hour training focuses on common mistakes observed in projects following the Targeted Performance Path and provides strategies for identifying and avoiding them.
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Renters | Mass Save
As a renter, there are many ways you can save energy and increase the comfort of your home. The Sponsors of Mass Save offer a variety of incentives, programs, and support to help renters enjoy all the good things energy efficiency brings.
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Efficient Audio | High Efficiency Speakers | Efficient SpeakersSwitch to ENERGY STAR® certified audio products and enjoy the sweet sound of savings.
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Heat Pumps | Mass Save
Install a high-efficiency heat pump for dual heating and cooling—and start saving energy.
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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.