Mass Save, Eversource / National Grid / Utilities
All Massachusetts utility customers (Eversource, National Grid, etc.) can receive an instant rebate covering 75% of the cost of attic, wall, and basement insulation plus air sealing. The rebate is applied instantly at the time of installation by participating contractors. Income-eligible households (below 60% AMI) pay nothing at all. A free home energy assessment from Mass Save is required to qualify.
Instant rebate: utility pays 75% of insulation cost directly to contractor. Homeowner pays only 25%. Income-eligible (60% AMI) households pay $0.
Deadline: Ongoing, 2026 program year
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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