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Window Insulation

Mass Save® HEAT Loan Program


MCCI is a Mass Save® HEAT Loan lender offering a no-interest loan for home energy efficiency improvements. Funding is available to assist homeowners with energy-efficient upgrades that include replacing heating & cooling systems, adding insulation, replacing windows, and much more.


  • Amount: Up to $50,000

  • Rates & Terms: 0% rates with up to 7-year terms

  • Property Type: Owner-occupied 1 to 4-family residence

  • Qualified Improvements: 

    • Mass Save recommended attic, wall, and basement insulation

    • Heating systems

    • Domestic hot water & solar hot water heaters

    • Central air conditioning and heat pumps

    • ENERGY STAR® qualified replacement window

    • Energy-efficient thermostats

  • Available to Customers:

    • Cape Light Compact, Eversource, National Grid, Unitil Electric, and municipal electric customers served by Columbia Gas of Massachusetts or Liberty Utilities.

  • Borrowers must meet the income eligibility limits and are subject to credit approval. For details visit or call 1-866-527-SAVE (7283)

Contact the MCCI Residential Team at

for more information.

How the Mass Save® HEAT Loan Program Process Works

*Customers must meet program eligibility requirements to participate. Eligibility for the HEAT Loan Program is based on completing a Home Energy Assessment and pre-approval. Some restrictions apply and offers are subject to change or cancellation. Financing is subject to credit approval. Additional terms and conditions apply. Visit or call 1-866-527-SAVE (7283) for details and to learn more about the program.

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