Mass Save
Mass Save and old wiring
What Mass Save and Eversource say about paying to fix wiring that blocks insulation or a heat pump. Checked November 3, 2026.
- Checked: November 3, 2026
What the official pages say
| Up to $7,000 up front for projects such as removing knob and tube wiring that must be done before approved insulation. Income verification is required. | Eversource, Boston |
| Panel upgrades needed to support new equipment, or health and safety updates before weatherization: up to 100% of the cost may be covered through the turnkey offer, for 1- to 4-unit homes. | Mass Save |
| Heat pumps: up to $16,000 for air source. Weatherization from your assessment comes first, and the installer must be in the Heat Pump Installer Network. Installed by December 31, 2026; paperwork by February 28, 2027. | Mass Save |
| 0% HEAT Loan for mitigating knob and tube wiring and other barriers. | Boston |
2026 to 2027 income limits
| People in household | Income Eligible Program: up to | Enhanced Incentive |
|---|---|---|
| 1 | $53,585 | $53,586 to $71,447 |
| 2 | $70,073 | $70,074 to $93,431 |
| 3 | $86,561 | $86,562 to $115,415 |
| 4 | $103,049 | $103,050 to $137,399 |
How to start
- Book a no-cost Home Energy Assessment with Mass Save (866-527-SAVE) and say you qualify for enhanced incentives.
- Get your income verified (888-714-3990).
- If the assessor finds old wiring, send us a request and we will look at it.
Send two photos, get a price.
A photo of the panel and one of the boiler or furnace is enough to start. We look at it and get back to you.
Send photos