Save on Home Insulation

Improve your home comfort with additional insulation

We are currently offering home installation of insulation and air sealing. To learn about our updated safety measures, view our Insulation Safety Process.


Insulation and air sealing decreases your energy use, saves you money, and increases your home comfort year-round, keeping you cooler in the summer and warmer in the winter. Take advantage of 75% to 100% off approved insulation improvements in addition to having air leaks sealed in drafty areas of your home at no-cost.


Energy Efficiency
Insulation Incentive Example
Berkshire Gas, Blackstone Gas, Cape Light Compact, Eversource, Liberty, National Grid, Unitil Electric, Unitil Gas 75% off insulation with no incentive limit Project Cost Example: $3,500
Incentive: $2,625
Customer Payment: $875

Click here to see if you are instead eligible for 100% off insulation improvements (based on your household income).
You may also apply for 0% financing through the Mass Save HEAT Loan on eligible insulation upgrades.

Your Next Steps

Call 1-866-527-SAVE (7283) to schedule a no-cost Home Energy Assessment. Or, choose a participating Home Performance Contractor (HPC) who can complete your Home Energy Assessment, insulation, and air sealing.

  • 1

    During your Assessment, you’ll receive a complete attic-to-basement evaluation of how you’re currently using energy, and a custom home energy report outlining recommended energy efficiency improvements. Plus, energy-saving products like LEDs, advanced power strips, and thermostats will be installed at no cost as needed during the assessment.

  • 2

    If an Energy Specialist completed your Assessment, he/she will be able to coordinate insulation and air sealing services with an Independent Installation Contractor (IIC), or you can select one of our participating IICs on your own by using our Find a Contractor tool.

  • 3

    After work is completed, the program conducts quality assurance inspections for Home Energy Assessments, air sealing, insulation, HEAT Loans, and rebated heating systems. Quality assurance inspections are performed by one of the following trusted vendors:

    • Abode Energy Management
    • Center for EcoTechnology (CET)
    • CLEAResult
    • CMC Energy Services, Inc.
    • RISE Engineering


*Customers must live in a 1-4 unit home. Eligibility for some rebates/incentives is based on findings from the Home Energy Assessment. Some restrictions apply and offers are subject to change or cancellation. Financing is subject to approval from a participating lender. Other offers are also available for renters of 1-4 unit properties, landlords of 1-4 unit properties, and landlords of Multi-Family facilities with 5+ units.