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  • Mass Save | Heating Comparison Calculator

    If you’re considering an upgrade to your current heating and cooling equipment, use the Mass Save® Heating Comparison Calculator (HCC) to see how installing a high-efficiency heating system could impact your heating costs.

  • Water Heating | Residential | Mass Save

    Water heating is often a home’s second-highest energy cost. There are a wide variety of high-efficiency water heating systems on the market that help residents save on energy costs and improve the comfort of their homes.

  • Consumer's Guide to Purchasing a New Heating System

    Read the go-to guide to help you purchase and install high-efficiency heating systems.

  • Mass Save | Ground Source Heat Pumps

    Ground source/geothermal heat pumps extract heat from the ground during cold weather and distribute it throughout your business. During warmer months, this process is reversed to provide cooling.

  • Mass Save | Water Source Heat Pumps

    A water source heat pump uses the same concept as an air source heat pump for drawing out heat from the outdoor air.

  • Mass Save | Packaged Terminal Heat Pumps

    By replacing old inefficient Package Terminal Air Conditioning (PTAC) units with a Package Terminal Heat Pump (PTHP) you can reduce your building’s heating and cooling costs significantly.

  • Mass Save | Air Source Heat Pumps

    Air source heat pumps extract heat from the air outside and distribute it inside your business.

  • Mass Save | Heat Pumps

    If you’re planning a switch to electric heating and water heating, Mass Save has resources available to help you make the most energy efficient choices. That includes rebates that lower the cost of qualified heat pump solutions, and trained contractors to assess your home and ensure proper installation.

  • Mass Save | Water Heating & Pipe Insulation 

    Hot water costs can add up quickly—especially in a business. Upgrade to higher- efficiency systems to lower heating expenses, decrease equipment maintenance time, lower greenhouse gas emissions, and create a comfortable work environment.

  • Mass Save | Water Heaters

    Hot water costs can add up quickly—especially in a business. Higher- efficiency systems can lower heating expenses, decrease equipment maintenance time, and lower greenhouse gas emissions.