Idaho headline: Idaho is different. The state declined the federal rebate money, so there is no state heat pump rebate, now or coming. Your live options are utility rebates: Idaho Power (up to about $1,000), Avista, and Rocky Mountain Power, plus the income-qualified Weatherization program. The federal 25C credit expired after December 31, 2025.

Idaho has no state rebate, and that is the key fact

Most of our state guides tell you a big state rebate is coming. Idaho is the exception, and knowing that saves you from waiting for money that will never arrive.

In March 2025, the Idaho Legislature’s budget committee turned down the federal Home Energy Rebate money, declining about $24.6 million, and up to $80.8 million through 2031.1 No state general fund money was required to accept it, but the state declined anyway. The share Idaho turned down is reallocated to other states.

So there is no Idaho HEAR or HOMES rebate. Your rebate comes from your utility.

This is the Idaho companion to our 2026 heat pump rebate guide.

Your real option: utility rebates

In Idaho, the utility is the whole story, and which one you have decides your rebate.

UtilityService areaHeat pump rebate
Idaho PowerSouthern Idaho (Boise, Treasure Valley)up to about $1,000
AvistaNorthern Idaho (Coeur d’Alene, Panhandle)Varies
Rocky Mountain PowerEastern Idaho (Idaho Falls, Pocatello)Varies (Wattsmart)

Idaho Power (the largest)

Idaho Power’s Heating and Cooling Efficiency Program pays up to about $1,000 for a qualifying heat pump, plus $100 to $400 for weatherization measures such as insulation and duct sealing.2 Confirm the current amount and any contractor requirements at idahopower.com before you buy.

Avista and Rocky Mountain Power

Avista serves the northern Panhandle and offers its own residential rebates.3 Rocky Mountain Power serves eastern Idaho through its Wattsmart program. Confirm current heat pump amounts with whichever one bills you.

The senior and income path: Weatherization

For a low-income Idaho senior, this is the live option, and it survived the state’s decision to decline the rebate money because it is funded separately.

The Idaho Weatherization Assistance Program, run through the Department of Health and Welfare and local Community Action Partnership agencies, provides income-qualified households free energy improvements such as insulation, air sealing, and sometimes heating equipment, identified by a home energy audit.4

Why it matters more in Idaho: because there is no state rebate to stack, the free audit and sealing from Weatherization are the main way a low-income senior cuts heating costs and right-sizes a future heat pump. Apply through your local Community Action agency.

Federal layer (2026)

The federal 25C Energy Efficient Home Improvement Credit, which paid up to $2,000 for a heat pump in prior years, expired for installs after December 31, 2025.5

What remains in 2026:

  • 25D Residential Clean Energy Credit: 30% of solar cost through 2034. Idaho’s sunny climate makes pairing a heat pump with solar worth a look.6
  • 25C on insulation, panel upgrades, and audits: still active at smaller caps. Heat pumps are excluded.

See IRA 25C expired 2026 for the full federal picture.

Senior scenarios

Scenario A: Boise retired couple, Idaho Power

  • Idaho Power heat pump rebate: up to about $1,000
  • Idaho Power weatherization: $100 to $400
  • Live today: up to roughly $1,400. There is no state rebate to add, so plan for the rest out of pocket.

Scenario B: Coeur d’Alene household, Avista

  • Avista heat pump rebate: confirm current amount
  • Live today: your Avista rebate only. Budget for the balance; no state rebate is coming.

Scenario C: Low-income Idaho Falls senior

  • Idaho Weatherization Assistance: free audit, sealing, insulation
  • Rocky Mountain Power Wattsmart rebate: on the equipment
  • Live today: free efficiency work plus a utility rebate, which in Idaho is the strongest combination available.

Verify your contractor first

A rebate is only as good as the contractor who installs the equipment. Idaho registers contractors through the Idaho Contractors Board, and utility rebates usually require a participating contractor.

Red flags to reject, and one is specific to Idaho:

  • A promised big state or federal rebate. Idaho has no state rebate and the federal credit expired, so this is a warning sign.
  • Door-to-door pitches. Legitimate contractors do not cold-call.
  • No Idaho contractor registration number on the quote.
  • R-410A equipment for a 2026 install. That refrigerant no longer qualifies under the EPA rule.7

Verify a registration in about a minute with our Idaho contractor license lookup guide.

Idaho senior action plan:
  1. Know there is no state rebate: Idaho declined the federal money
  2. Find your utility (Idaho Power, Avista, or Rocky Mountain Power) and claim its rebate
  3. Idaho Power pays up to about $1,000, plus weatherization
  4. If income-qualified, apply for free Weatherization Assistance
  5. Treat any promised big rebate as a red flag, and verify your contractor

What’s next

Citations

  1. Idaho Legislature Declines Federal Home Energy Rebate Funding. Idaho Capital Sun, March 19, 2025. .
  1. Heating and Cooling Efficiency Program (Heat Pump Rebate). Idaho Power, retrieved July 31, 2026. .
  1. Residential Energy Efficiency Rebates. Avista Utilities, retrieved July 31, 2026. .
  1. Idaho Weatherization Assistance Program. Idaho Department of Health and Welfare, retrieved July 31, 2026. .
  1. Energy Efficient Home Improvement Credit (25C). U.S. Internal Revenue Service. .
  1. Residential Clean Energy Credit (25D). U.S. Internal Revenue Service. .
  1. Technology Transitions: Restrictions on Use of Certain HFCs. U.S. Environmental Protection Agency. .