Cities / Connecticut / Rebates
United Illuminating Residential Thermostat Incentives: Open
Enrollment for 2026 is open. Open. Incentive Duration: 01/01/26 - 12/31/26.
Serves: Ansonia, Derby, East Haven, Hamden, Milford, New Haven, North Branford, North Haven, Orange, West Haven, Woodbridge, Bridgeport, Easton, Fairfield, Trumbull, Shelton and Stratford.
Do I Qualify
- Have active UI residential service.
- Install a qualifying thermostat.
- The address limit is three thermostat rebates.
- Do not combine instant and mail-in rebates on the same thermostat.
How Much Comes Off
| Equipment | Requirement | Amount |
|---|---|---|
| Wi-Fi smart thermostat without an instant rebate | ENERGY STAR certified Wi-Fi enabled smart thermostat | $85 per unit |
| Smart thermostat through a participating contractor | Wi-Fi enabled, ENERGY STAR certified model on the qualified products list | $95 per unit |
Valid from January 1, 2026 to December 31, 2026.
Who Files It
The customer submits a mail-in claim or uses an instant-discount purchase route.
The provider pays either the contractor or the homeowner.
The Steps to Apply
- Choose an eligible model and purchase route.
- Keep the receipt. Mail-in claims are due February 27, 2027. Application.
Read on October 22, 2026 from the United Illuminating page. A change to this program is a dated line in the changelog.