Mass Save Insulation Rebates

Mass Save (Multi-Utility Partnership)

Available Weatherization

About This Program

Rebates covering up to 75% of insulation costs for attics, walls, and basements following a Mass Save Home Energy Assessment. Enhanced 100% rebates available for income-eligible households.

Rebate covers 75% of approved insulation costs; full cost for income-eligible

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

Key Details

  • 75% rebate on insulation costs up to $2,000
  • 100% for income-eligible households
  • Must complete Home Energy Assessment first
  • Covers attics, walls, basements
  • Use Mass Save qualified contractor

How to Apply

A grant-savvy contractor in Lexington, MA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

This grant requires a licensed contractor

This grant requires the work to be done by a licensed contractor, and you will likely need a written estimate to apply. Get a free estimate from a contractor in Lexington who knows grant paperwork.

Get matched with a contractor

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

Deadline: Ongoing, must complete energy assessment first

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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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