Energy Efficiency Program

An energy-efficient home can save you money season after season. Intermountain Gas can help with a rebate program that will put cash in your pocket after you install energy efficient appliances.

WHOLE HOME PACKAGE (for new construction) DESCRIPTION REBATE AMOUNT
Energy Star® Certified Home Energy Star Verified Home with Natural Gas Space and Water Heat $1,200
STAND-ALONE MEASURES (for new & existing construction) DESCRIPTION ENERGY EFFICIENCY REBATE
95% AFUE Natural Gas Furnace 95% or Greater Thermal Efficiency Rating $350
High-Efficiency Combination Radiant Heat System 90% or Greater Efficiency Condensing Tankless Combo System for Space and Water Heat $1,000
80% AFUE Natural Gas Fireplace Insert 80% AFUE Rating or Greater $200
70% FE Natural Gas Fireplace Insert 70% Fuel Efficient Rating or Greater $100
.67 EF/ .68 UEF Natural Gas Water Heater .67 Energy Factor or Greater $50
.91 EF/ .92 UEF Condensing Tankless Water Heater .91 Energy Factor or Greater $150

Summary of Eligibility Requirements


  • Available to residential customers of Intermountain Gas Company.
  • Rebate applications must be submitted and postmarked within 90 days of installation.
  • Fuel for the home’s heat and water heating needs must be exclusively provided by Intermountain Gas for applicable space heat and water heating rebates.
  • A heat pump must not be used for space heating, even if a natural gas furnace is utilized as backup. If a heat pump is installed in the home, it must be wired to the “Cool Only” setting.
  • Energy-savings equipment must meet the requirements of Intermountain Gas’ Energy Efficiency Rebate Program tariff and associated Terms and Conditions effective at the date the equipment was installed.
  • 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.
  • Intermountain Gas Company does not provide rebates for energy efficient equipment or upgrades already mandated by Idaho state code.
  • Rebates may be subject to change based on the most recently approved Energy Efficiency Rebate Program tariff offered by Intermountain Gas Company.
  • Energy Star® homes must be certified by an Energy Star verifier. Energy Star home rebate applications must be submitted and postmarked within 90 days following Energy Star verification.

Online Account Services

For questions or more information, please contact us.

Email: saveenergy@intgas.com
Treasure Valley: 208-377-6840
All other areas: 1-800-548-3679​

 

Energy Efficiency Program Brochure