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  • Boilers & Furnaces | Residential | Mass Save

    Air source heat pumps are a smarter, more efficient option to keep your home comfortable all year long.

  • Replace Your Furnace and Central Air Conditioning Systems at the Same Time for Maximum Savings

    April 6, 2017

    A famous writer once said “There’s nothing like staying at home for real comfort.” Coming home from a long, cold, dreary day and being greeted by a nice, warm, cozy home is something to look forward to, all thanks to the wonders of modern technology – more specifically, your heating system. Or how about those random hot fall days that seem to come out of nowhere and leave you wanting to arrive in a nice, cool, air-conditioned home? Without your Air Conditioning (AC) system, comfort would be hard to find when those days roll around.

  • Mass Save | Boilers & Furnaces

    Today’s boilers and furnaces are more efficient than older models and can help businesses save money and energy, and reduce greenhouse gas emissions.

  • Mass Save | Integrated Control Switchover Temperature Calculator

    Use our calculator to determine the most optimal, cost-effective switchover temperature for your integrated control based on current fuel prices.

  • What is a Heat Pump and When Should You Make the Switch? | Massachusetts | Mass Save

    December 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

  • Heating & Cooling | Mass Save

    Make your home more comfortable and energy efficient by upgrading to a new heating and cooling system.

  • 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.

  • 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.

  • Heat Pump Water Heater Rebates I Residential I Mass Save

    Heat pump water heaters are the most efficient way to heat water in a home—up to three times more efficient than conventional electric water heaters.

  • Home Energy Assessments | Residential | Mass Save

    Mass Save® on-site energy assessments are available for homeowners, renters, landlords, businesses, multi-family facilities, and income eligible customers.