Mass Save Insulation Rebates

Mass Save (Eversource & National Grid)

Available Weatherization

About This Program

Covers 75% of insulation costs for all customers, or 100% for income-eligible households. Includes attic, wall, and basement insulation plus air sealing. Free home energy assessment required before installation.

Typical insulation project value with 75% rebate coverage

Key Details

  • 75% rebate on insulation costs (100% for income-eligible)
  • Covers attic, walls, and basement insulation
  • Air sealing included
  • Free home energy assessment required
  • Reduces heating and cooling costs

How to Apply

Get free help applying Visit Official Program Page Track this program

(866) 527-7283

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

Deadline: Rolling applications year-round

Need a Contractor for This Grant?

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

Get matched with a pro, free Browse Plymouth, MA contractors

Find More Programs in Plymouth, MA

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

See All Programs