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  • Mass Save | Lighting & Lighting Controls

    Indoor and outdoor LED lighting and controls use light and energy more efficiently, saving money and energy. LED lightbulbs are long-lasting and require fewer changes, freeing up maintenance time.

  • Varone Home – Holliston | Case Studies | Mass Save

    Massachusetts residents Tony and Mary Varone have enjoyed over 45 years in their Holliston home. With their retirement years ahead of them, the couple started evaluating their household expenses, including energy costs, to find ways to better manage their budget while improving energy efficiency.

  • Hydroid – Pocasset | Case Studies | Mass Save

    Case Study: Hydroid, Inc.Hydroid, a field-proven technology leader in advanced marine robotics and autonomous underwater vehicles, saved energy and reduced greenhouse gas emissions with high-performance building envelope upgrades and other high-efficiency equipment measures.

  • High Point Treatment Center – Brockton | Case Studies | Mass Save

    Case Study: High Point Treatment CenterHigh Point Treatment Center was founded more than 25 years ago when a group of people who were in recovery from substance use disorders saw a need for addiction treatment in southeastern Massachusetts. As a sustainably responsible organization, not only would they find ways to reduce energy usage, but they would also create a safer and healthier environment for patients.

  • Residential (R2.3) 2023 Massachusetts Existing Buildings Alterations

    This module covers Existing Building Alterations to buildings 1000 sqft and under, and 1000sft and over, Stretch Code Introduction & Updates and HERS Permit & CO Requirements, repairs and Solar Ready.

  • Mass Save | Heating & Cooling

    By upgrading to higher efficiency systems, businesses can enjoy long-term reduced energy costs, decrease equipment maintenance time, reduce greenhouse gas emissions, and create a comfortable work environment.

  • Your Mass Save® Shopping Guide

    Use our store finder to discover where you can buy energy-efficient products, and learn more about the different types of products that are available.

  • Specialty Studies | Business | Mass Save

    Specialty Studies are designed to deliver rapid savings opportunities through laser-focused energy efficiency strategies.

  • The Power of Water: How to Make Every Drop Count

    April 6, 2017

    Mass Save strives to provide you, our reader, with ways to save energy while properly heating and cooling your residence, whatever the season. Usually, these tips are specific to insulation, light bulbs, thermostats, and heating and cooling. However, here’s another topic that you may not hear as much about: water. Cutting your water usage—especially hot water—by just a small percentage can save a significant amount of money, no matter the season! Imagine, saving money and energy while reducing your carbon footprint all with a few small changes in your daily life.

  • Choosing the Right Water Heater for Your Home

    April 6, 2017

    A water heater generally consumes about 15% of the annual energy bill. That means that if you’re not using the right one for your home’s needs, you could be wasting hundreds of dollars every year.