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Residential Rebate Terms and Conditions

Terms & Conditions

 Deadline Dates: Rebates for qualifying natural gas equipment must be submitted within ninety (90) days of installation.

Appliance Rebates for New Construction applications must be submitted within ninety (90) days of Certificate of Occupancy issuance.

New Construction Whole Home rebate applications must be submitted within ninety (90) days of HERS Certificate being issued.

Eligibility: Energy-efficiency rebates are available to residential customers and residential new construction builders served on Intermountain Gas Company’s (IGC) residential rate schedule in the state of Idaho. Customers must meet all eligibility requirements listed in IGC’s Residential Energy Efficiency Rebate Program (Rate Schedule EE-RS).

Customer must heat home exclusively with natural gas provided by IGC to qualify for all space heating and/or smart thermostat rebates and use natural gas exclusively as the water heat fuel to qualify for water heating rebates. Customers must use natural gas for both space and water heating to quality for New Construction Whole Home rebates. Customer must not use an electric heat pump for space heating, even if a natural gas furnace is utilized as backup. If an electric heat pump is installed in the home, it must be wired to the “Cool Only” setting.

All equipment must be new. All equipment must be installed according to current code and approved by local or state inspection with the signed, approved permit attached to the newly installed equipment. All equipment must be installed, and work completed by a licensed and bonded contractor, unless self-installed. At its sole discretion, IGC may make eligible the work of other qualified contractors on a case-by-case basis.

Rebates for smart thermostats are limited to one per heating zone.

Rebate will be paid after completion and verification of the energy savings measure(s) and submission of all required documentation. Only the original purchaser of the qualifying equipment or the purchaser’s designated appointee shall qualify for rebate. Customers are advised to retain a copy of this rebate application and any other documentation submitted to IGC under this program.

Support Documentation: Support documentation is required for all rebate-eligible, energy efficiency equipment, including: final invoices that list installation date, cost, brand, model number and serial number.

Support documentation for the New Construction Whole Home rebate is required, including: a copy of the completed HERS Certificate issued by an accredited Rating Provider.

Support documentation for self-installation is required for all rebate-eligible, energy efficiency equipment, including: copies of purchase receipts and photos of equipment sticker, or screenshot of equipment information in the smart thermostat app, displaying brand, model number, and serial number.

IGC reserves the right to verify that work was completed, and meets program standards, through an in-home site inspection.

Payment: Rebates shall be paid directly to the qualifying participant in the amount authorized at the date the qualifying energy efficiency upgrade was installed. The rebate amount is not to exceed the price paid for the equipment and installation. Please allow six to eight weeks for rebate processing.

Rebates: Rebates for authorized energy savings measures are limited to the amounts provided on IGC’s Residential Energy Efficiency Rebate Program tariff. All rebate measures must meet IGC’s required energy specifications. Only smart thermostat and Water Heater Incentives may be combined with Whole Home rebates. Current rebates, specifications, and rebate amounts can be found on IGC website at and are subject to change. Eligible equipment must be installed in the state of Idaho during the effective dates of the current rebate program tariff to qualify for a rebate. It is the responsibility of the customer to ensure that the installed equipment qualifies for the rebate. If the equipment does not qualify, no rebate will be paid. If you have questions on whether specific equipment would qualify, or have any questions regarding IGC’s energy efficiency programs, please contact IGC at 1-800-548-3679 prior to installation.

Disclaimer/No Liability: Customer understands that, while IGC may have provided rebates for approved conservation measures and equipment, IGC is not supervising work performed for Customer, nor is IGC responsible in any way for proper completion of that work or proper performance of any equipment purchased. Customer assumes the risk of any loss or damages that Customer may suffer in connection with the installation of rebate-eligible, energy-efficiency upgrades. IGC does not guarantee any particular energy savings results by its approval of this application, or by any of its actions.