National Grid / Mass Save
Mass Save Home Energy Assessment is available to homeowners and renters in Shrewsbury, MA.
Free in-home energy assessment with instant rebates on LED bulbs, programmable thermostats, low-flow fixtures, and air sealing. Income-eligible customers receive 100% off insulation and weatherization improvements.
Instant savings plus potential full weatherization coverage for income-qualified residents
Official program page checked live on 2026-06-22.
Data last verified 2026-06-09. How we verify our data.
In Shrewsbury, MA, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Shrewsbury, MA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Shrewsbury early keeps your application moving.
Get matched with a contractorThis benefit is usually applied as an instant discount, so there is no out-of-pocket wait.
Each program sets its own contractor rules. Check the official program page for exact requirements.
Mass Save offers this rebate to its residential customers who install the qualifying energy-efficient equipment this program covers. You apply through the utility's rebate program, usually online with your account, your paid invoice, and the equipment's model or efficiency rating. Many rebates are submitted by a participating contractor and paid after the equipment is installed, so confirm the current rebate and rules on the official page first.
Steps to apply
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Ongoing
Ask us. It is free, and a real person answers within a business day.
Email us about this programUp to $2,000 in instant rebates.
Mass Save Home Energy Assessment is open to homeowners and renters in Shrewsbury, MA. It has no income limit.
Apply directly with National Grid / Mass Save using the official program link on this page or call (866) 527-7283. There is no middleman and no fee.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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