Published utility programs in Idaho
Current offers in our source set, with direct links to the utility running each program.
Idaho PowerSouthern Idaho and eastern OregonHeating and Cooling Efficiency Program
New ducted air source heat pump (existing home)Incentive $800Amounts taken from Idaho Power's official Heating and Cooling Efficiency Program incentive application, form IPCCRR 211 (12/25). Applies when replacing an electric forced air furnace, propane or oil forced air furnace, or electric baseboards/ceiling cable/wall units. Participating contractor required. Maximum of two incentives per home.
New ductless heat pump (existing home)Incentive $400Applies when replacing electric baseboards or electric ceiling cable. Participating contractor required. Maximum of one incentive per home.
New ground source heat pump (existing home)Incentive $3000Applies when replacing an electric forced air furnace, electric baseboards/ceiling cable/wall units, or a propane or oil forced air furnace. Incentive is $1000 when replacing an existing ducted air source heat pump.
Heat pump water heaterIncentive $300
Rocky Mountain PowerSoutheastern IdahoWattsmart Homes
High-efficiency ground source, dual fuel or air source heat pumpGet up to $2,000 cash back for installing a high-efficiency ground source, dual fuel or air source heat pump.Amount shown on the Idaho tab of Rocky Mountain Power's Wattsmart winter heating page.
Avista UtilitiesNorthern Idaho (Coeur d'Alene / Kootenai County area)Idaho Residential Rebates (single family)
Replacement windows, contractor installed — electric-heated home$180 per window (U-Factor 0.29 to 0.23); $225 per window (U-Factor 0.22 or below)Amounts confirmed on Avista's Idaho windows page and its Idaho Single Family residential rebate form (rev 06/25). Existing homes only; must replace an existing window. Self-installed amounts are lower ($90 and $112 per window).
Replacement windows, contractor installed — natural gas-heated home$45 per window (U-Factor 0.29 to 0.23); $56 per window (U-Factor 0.22 or below)Self-installed amounts are $22 and $28 per window.
Sliding glass doors, contractor installed — electric-heated home$480 per door (U-Factor 0.29–0.23); $600 per door (U-Factor 0.22 or below)Gas-heated homes receive $100 and $120 per door. Existing homes only.
Storm windows (ENERGY STAR certified or emissivity ≤ .22 and solar transmissivity ≥ .55)$3.00 per sq ft, contractor installed$1.00 per sq ft if self-installed. Existing homes only.
Intermountain Gas CompanySouthern Idaho natural gas customersResidential Energy Efficiency Rebate Program
Tankless water heater, Tier I (.91 UEF or greater efficiency)$325From Intermountain Gas's 2026 residential rebate application for existing homes (Ver 01.01.26.R). Customer must use natural gas exclusively as the water heating fuel. One rebate per equipment type per home; apply within 90 days of installation.
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