Energy Rebates and Tax Credits for Boise Remodels in 2026

1. 1

   The federal Energy Efficient Home Improvement Credit (section 25C) is not available for work in 2026. The IRS states: "The credit will not be allowed for any property placed in service after December 31, 2025." Source [1]

2. 2

   Through 2025 the credit paid 30% of qualifying costs up to $1,200 a year, with a $600 annual limit for windows and skylights, $250 per exterior door, and a separate $2,000 annual limit for heat pumps and heat pump water heaters. Source [2]

3. 3

   Idaho Power pays $800 toward a ducted air-source heat pump that replaces electric, propane or oil heat in an existing home, $400 toward a ductless heat pump, $300 toward a heat pump water heater and $200 toward duct sealing. Source [3]

4. 4

   Idaho Power's Rebates and Offers page lists no rebate for windows or insulation for standard residential customers as of November 12, 2026. Its listed offers are the Heating and Cooling Efficiency Program, A/C Cool Credit and the Shade Tree Project. Source [4]

5. 5

   Intermountain Gas pays $275 for a furnace rated 95% AFUE or higher, $325 for a tankless water heater rated .91 UEF or higher, and $800 for a 95% AFUE boiler or combination boiler. Source [6]

6. 6

   Intermountain Gas lists no insulation or window rebate on its rebate page or its 2026 existing-homes application as of November 12, 2026, and requires rebate applications within 90 days of installation. Source [6], [7]

7. 7

   Idaho Power offers free weatherization improvements to income-qualified customers with electrically heated homes. Source [5]

Not available for property placed in service after December 31, 2025.

• "No window or insulation rebate" is a finding of absence on the date read. Confirm with the utility before relying on it.
• Utility incentives carry eligibility conditions not fully reproduced here, and both utilities say they can change or end at any time.
• The IRS notes its FAQ is not published in the Internal Revenue Bulletin and cannot be relied on as legal authority.
• Other programs were not surveyed: state programs, manufacturer rebates and other utilities serving parts of the Treasure Valley.
• Intermountain Gas states that homes heated by both natural gas and electric power are not eligible for its heating equipment rebates.