Mass Save Home Insulation Program

Eversource / National Grid (Mass Save)

Available Weatherization

About This Program

Covers 75% of insulation costs for all customers, and 100% for income-qualified households. Includes attic, wall, and basement insulation, plus air sealing. Free energy assessment identifies eligible improvements.

Estimate based on 75% coverage of typical attic and basement insulation project

Data last verified 2026-06-09. How we verify our data.

Key Details

  • 75% rebate on insulation costs (100% if income-qualified)
  • Covers attic, wall, basement insulation and air sealing
  • Free home energy assessment required
  • No upfront cost for income-qualified customers
  • Reduces heating and cooling bills

How to Apply

A grant-savvy contractor in Milton, 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 Milton early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Deadline: Ongoing

Questions about this program?

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Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

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