Montana-Dakota Utilities (Gas) - Residential Energy Efficiency Rebate Program
Administered by: Montana-Dakota Utilities Co.
Quick Summary
Replace your natural gas furnace with a high-efficiency model (95% AFUE or higher) and receive a $300 rebate; you can also get $15 for a programmable thermostat with the furnace or $60 for a Wi-Fi thermostat on its own. To apply, fill out the Natural Gas Heating Incentive Application Form and mail it with your dealer sales invoice to Montana-Dakota Utilities; allow 4–6 weeks for processing, and note that rebates are available only for existing homes and funding is limited each plan year (January–December in South Dakota).
AI-generated summary • Updated 7/12/2026
Program Details
- Program ID
- 3918
- Last Updated
- 6/17/2025
Eligibility
Program Summary
Montana-Dakota Utilities offers rebates to residential natural gas customers who upgrade their heating equipment. Customers can receive $300 for replacing an existing furnace with a high-efficiency model rated at 95% AFUE or higher. There are also thermostat rebates: $15 for a Tier 1 programmable thermostat (with at least four daily time settings and a 5-1-1 or 5-2 schedule, installed with a qualifying furnace), and $60 for a Tier 2 Wi-Fi thermostat that can be controlled remotely. These rebates are only for existing homes—not new construction or fuel conversions—and funding is limited each year. Applications are processed in the order they’re received, and rebates are not guaranteed once funds run out. See website for additional details.
Contact & Resources
Please verify current program details with the administering agency before making any financial decisions.