Mass Save (Eversource, National Grid)
Free home energy assessment with instant installation of LED bulbs, programmable thermostats, water-saving devices, and smart power strips. Assessment identifies opportunities for additional rebates on insulation, heating/cooling, and water heating upgrades.
Value of free instant-install measures plus assessment; additional rebates available
Official program page checked live on 2026-06-17.
Data last verified 2026-06-09. How we verify our data.
A grant-savvy contractor in Westwood, 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 Westwood 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.
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: Rolling basis
Ask us. It is free, and a real person answers within a business day.
Email us about this programGrant-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.
See All Programs