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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.

  • Mass Save Supplier Diversity Summit

    Minority and women-owned businesses have a unique, in-person opportunity to engage with the Sponsors of Mass Save, network with your peers, and gain valuable information and resources.

  • Is Your Cooling System Installed Properly? measureQuick Check It

    July 18, 2017

    As many as two-thirds of central air conditioners or central heat pumps are improperly installed, repeated national studies have shown. Ensuring proper installation can mean the difference between efficient, cost-effective cooling and expensive repair bills.

  • 5 Tips to Maximize Comfort and Savings with Mini-Splits This Winter

    November 7, 2018

    Ductless mini-split heat pump systems are an efficient heating and cooling solution that can keep Massachusetts residents comfortable all year round, even in very cold temperatures.

  • This boiler add-on boosts efficiency—and saves you money

    May 14, 2018

    The heat of the summer will be here at any moment. This might not seem like the ideal time to talk about your heating system. But, since you’re not using it, now is a great time to make a change that will help you save money for many heating seasons to come.

  • The Evolving ENERGY STAR Program

    May 10, 2018

    Over the last two decades, the blue ENERGY STAR label has become synonymous with energy efficiency. Backed by the EPA, ENERGY STAR provides credible and impartial information that consumers can rely on to make well-informed decisions when shopping for lighting and products.

  • The Hidden Solution That Will Improve Your Home’s Cooling

    July 3, 2017

    Your biggest ally to beat the summer heat at home isn’t your air conditioner – it’s insulation.

  • Five Simple Savings Solutions for Fall Comfort

    October 2, 2017

    With downright cold winter temperatures around the corner, it will soon be time to flip the switch on your heating system. Here are five easy ways you can improve your comfort and boost the efficiency of your heating system without breaking the bank.

  • What You Need to Know Before Installing a New Cooling System

    August 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

  • C1.3 2023 Mass Commercial Stretch Code Part 3 Solar Ready and Ev Ready

    The objective of this training program is to provide information to code enforcement officials, contractors, and design professionals regarding the updates and changes between the 2018 and 2021 IECC, as well as the new Municipal Opt-in Specialized Code for 2023.