Windows
ENERGY STAR® Most Efficient Windows
Save $75 per window when you upgrade your single-pane windows to ENERGY STAR® Most Efficient windows!
ENERGY STAR-certified windows can help reduce energy costs, stop cold drafts in the winter, and the low-emissivity coatings reduce UV sun damage to floors, carpets, and furniture.
Making the switch can reduce energy bills and a home’s carbon footprint by 12%. The typical home can expect a yearly savings of $101 to $583 when replacing single-pane windows with ENERGY STAR Most Efficient models.
Rebates
| Window Type | Rebate | Qualification | Limit |
|---|---|---|---|
| Energy Star Most Efficient* Windows | $75 rebate per window** | Only for ENERGY STAR "Most Efficient" certified windows replacing single pane. Existing windows must be verified prior to installing windows and apply for rebate. Get started at www.masssave.com/getverified. Customer must complete weatherization recommendations made during the assessment to qualify. | Quantity not to exceed number of eligible windows recorded during the Home Energy Assessment. |
*Windows must be ENERGY STAR Most Efficient rated for the Northern Region. Visit www.masssave.com/windowqpl.
**Income eligible customers may be eligible to receive single pane window replacements at no-cost. Learn more here.
Follow These Steps to Apply for Your Rebate
- Step 1: To qualify for this rebate, your existing window types and quantity must be verified during a Home Energy Assessment. Find out more and get started at www.masssave.com/getverified. Customers must complete weatherization recommendations made during the assessment to qualify.
- Step 2 Purchase and install the number of ENERGY STAR Most Efficient windows verified for eligibility during your assessment.
- Step 3 Follow the steps on the rebate form provided during your assessment to submit your rebate.
Eligibility
- This offer is only open to Massachusetts residential electric and gas customers where the Mass Save Program is offered by Berkshire Gas, Cape Light Compact, Eversource, Liberty, National Grid, or Unitil.
- Only for ENERGY STAR Most Efficient rated for the northern region windows replacing single pane.
- Existing windows must be verified prior to installing windows and apply for rebate. Get started at www.masssave.com/getverified.
- Customers must complete weatherization recommendations made during the assessment to qualify.
- The rebate is good for purchases made from January 1, 2025 through December 31, 2025.
Interested in Financing Your Windows?
There are two ways to finance your project. See below to learn more.
Mass Save Heat Loan
Zero-percent interest financing for qualifying energy efficiency upgrades.
Energy Saver Home Loan Program
Low-interest financing for income qualified homeowners to finance energy efficiency upgrades.
