Cities / Massachusetts / Rebates
Mass Save Smart & Programmable Thermostats: Open
Enrollment for 2026 is open. Open for 2026 installations. Units must be installed between January 1, 2026, and December 31, 2026.
Serves: Massachusetts residential customers of Berkshire Gas, Cape Light Compact, Eversource, Liberty Utilities, National Grid, or Unitil.
Do I Qualify
- Have an eligible residential electric or natural-gas heating account.
- The limit is three rebates per gas or electric account every three years.
- Refurbished thermostats do not qualify.
How Much Comes Off
| Equipment | Requirement | Amount |
|---|---|---|
| ENERGY STAR certified smart thermostat | New equipment; ENERGY STAR certified; wireless connection enabled. | $100 per thermostat |
| Seven-day programmable thermostat | New seven-day programmable thermostat. | $25 per thermostat |
Valid from January 1, 2026 to December 31, 2026.
Who Files It
The customer applies with a receipt. A registered contractor may receive a designated payment.
The provider pays either the contractor or the homeowner.
The Steps to Apply
- Buy and install qualifying equipment.
- Apply with the signed form and receipt by February 28, 2027, or use an eligible instant-discount purchase channel.
Read on October 22, 2026 from the Mass Save page. A change to this program is a dated line in the changelog.