Idaho Windows

Get up to $3.00/sq. ft. cash back


Enjoy energy savings with a view

When it’s time to replace your windows, we offer cash rebates to help you save on a high-performance solution. Make a smart investment in new windows that can reduce heat loss in the winter, keep your home comfortable in the summer, lessen noise and lower your energy bills.

Rebates and qualifications

Product U-factor requirements Customer rebate

Windows Tier 1 For homes with electric heating

U-factor of 0.23-0.30

$1.00/ sq. ft.

Windows Tier 2 For homes with electric heating

U-factor of 0.22 or lower

$3.00/ sq. ft.

Windows Tier 1 For homes with electric cooling

U-factor of 0.23-0.30

$0.30/ sq. ft.

Windows Tier 2 For homes with electric cooling

U-factor of 0.22 or lower

$0.50/ sq. ft.

Ensure the home qualifies:

  • Must be an existing home, not new construction.
  • Work must comply with all building codes and standards.

Requirements for windows:

  • U-Factor of no more than 0.30.
  • Must have electric heating or a central cooling system serving at least 80% of the home’s conditioned floor area.
  • Doors or skylights must be 80% glass by square footage and have a U-Factor of no more than 0.30 to qualify.
  • Windows must be installed in finished or conditioned living spaces with permanently installed heating system.
  • Windows must be installed in accordance with the specifications found in the Idaho Technical Specifications Manual.
  • Windows may be installed by a Program-Eligible Contractor or self-installed by homeowner.

Required documents for online submission:

  • Application, completed and signed.
  • Itemized receipt or contractor invoice.
  • Manufacturer’s specification sheet or NFRC (National Fenestration Rating Council) stickers for each window.
  • Third Party Payment Addendum for applicants who would like to forward payment to a third party not listed on the utility account.

Rebates are subject to Idaho Utilities and Transportation Commission approval and may change with 45 days notice. Additional terms and conditions may apply.


Electrical heating is defined as a permanently installed system consisting of an electric furnace, heat pump, or electric zonal heating system (baseboard or ceiling/wall heaters) serving as the home’s current primary heat source. Space heaters do not qualify.

Electric cooling is defined as a permanently installed, electric heat pump, or ducted electric central air conditioner serving as the home’s current primary cooling source. Room air conditioners and evaporative coolers do not qualify.

Non-electric heating or cooling is defined as a heating or cooling system with gas, oil, wood stove, pellet stoves or propane serving as the home’s current primary heating or cooling source.

Customer eligibility

Residential electric customers residing in the state of Idaho who purchase their electricity from Rocky Mountain Power on rate schedules 1 or 36 qualify. Landlords who own rental properties served by the company in the state of Idaho where the tenant is billed on rate schedules 1 or 36 also qualify for this program. You can locate your rate schedule on your bill or by calling 1-888-221-7070.

Application details

Prior to starting a project, find and contact a participating weatherization contractor. Note that some rebates require a qualified contractor to install your new equipment. Review the eligibility requirements, rebate qualifications and the list of required documents with your contractor before submitting your rebate application.

Self-installers are eligible for rebates on materials only and documentation of U-Factors and square footage must be provided.

Remember to save your National Fenestration Rating Council (NFRC) window stickers for rebate processing. A copy of your windows manufacturer specification invoice clearly indicating the U-factor of each window may be submitted in lieu of your NFRC stickers.

Rebates are limited to one-time installations within the qualified space of the home and will not exceed window purchase price. Window units that have previously received a rebate through the program do not qualify for additional rebates if replaced.

Please include the following with your online application:

  • Your Rocky Mountain Power account number.
  • Digital image of your itemized receipt or contractor’s invoice.

Important details:

  • Complete and submit your online application within 90 days of installation.
  • Your rebate will be issued within 14 business days after we review and approve your application. Missing information may delay processing and delivery.
  • Please enter your service address and account number exactly as it’s shown on your bill. You can find this information in the areas indicated below.


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