Do I Qualify
- Use an approved residential thermostat. The rebate cannot exceed its purchase price.
- One smart-thermostat rebate per account per year.
How Much Comes Off
| Equipment | Requirement | Amount |
|---|---|---|
| Tier II thermostat | Primary heating is electric | $100 per household |
| Tier III thermostat | Primary heating is electric | $150 per household |
| Tier II thermostat | Electric cooling only | $35 per household |
| Tier III thermostat | Electric cooling only | $50 per household |
| Tier III line-voltage thermostat | Non-central electric primary heating, including baseboard | $100 per household |
Who Files It
The customer submits the application and dated receipt.
The money is paid to the homeowner.
The Steps to Apply
- Check the approved thermostat tier. Program page.
- Install the thermostat and submit the receipt with the application. Program page.
Read on October 22, 2026 from the Otter Tail Power page. A change to this program is a dated line in the changelog.