Mass Save® is Massachusetts’ statewide energy efficiency and electrification initiative, led by a collaborative of Berkshire Gas, Cape Light Compact, Eversource, Liberty, National Grid, and Unitil. Through a range of services, rebates, incentives, trainings, and information, Mass Save solutions help residents, businesses, and communities make energy upgrades that support a cleaner, more affordable energy future.
*Represents lifetime CO2 reductions
Discover how we are providing long-term value and community benefits across the state.
Massachusetts’ electric utilities now offer seasonal heat pump rates designed to reduce winter energy costs for residential customers who heat their homes with electric heat pumps.
The Sponsors of Mass Save can help you improve comfort and reduce carbon emissions when you electrify your home or business.
We are making the purchase and installation of energy-efficient heat pumps affordable for Massachusetts residents and businesses.
How heat pump water heaters improve efficiency in commercial buildings
Heat pump water heaters offer for commercial buildings. Learn how they work, key benefits, and available rebates.
Before you hire: A guide to choosing the right heat pump installer
Explore key considerations for hiring a heat pump installer, from vetting contractors to reviewing quotes and setting clear expectations.
Before you turn on the AC: 5 ways to reduce cooling costs this summer
Try these five smart ways to reduce cooling costs, improve comfort, and use energy more efficiently before you turn on the AC this summer.
Mini-splits vs. central AC: which cooling system is right for your home?
Compare mini-splits vs. central AC, including costs, efficiency, and Mass Save rebates, to find the best cooling system for your home.
Practical energy-saving tips for renters: how to save money and boost comfort
Discover practical energy-saving tips for renters to save money, stay comfortable year-round, and make your home more eco-friendly.
How to use your smart thermostat for maximum savings
Discover smart thermostat strategies that help you save money, improve comfort, and maximize home efficiency.
The latest ways we are engaging our community to create a better, more sustainable future for Massachusetts.
