Idaho Insulation

Get up to $0.65/sq. ft. cash back

Don’t hesitate. Insulate.

Upgrade your insulation and earn cash back for every square foot. There’s no better way to prepare your home for the chill of winter and the dog days of summer. By installing qualified insulation, you can save hundreds of dollars a year on heating and cooling, which makes this simple upgrade the very definition of Wattsmart.

Rebates and qualifications

Qualified contractor-installed insulation Electrically heated homes rebate Electrically cooled homes rebate

Attic Insulation

$0.50/ sq. ft.

No rebate available.

Wall Insulation

$0.65/ sq. ft.

$0.10/ sq. ft.

Floor Insulation

$0.50/ sq. ft.

No rebate available

Self-Installed Insulation Electrically heated homes rebate Electrically cooled comes rebate
Attic Insulation $0.25/ sq. ft. $0.10/ sq. ft.
Wall Insulation No rebate available No rebate available
Floor Insulation $0.25/ sq. ft. $0.10/ sq. ft.

Ensure the home qualifies:

  • Must be existing home, not new construction.
  • Evaporative cooling, room air-conditioners, oil, wood heating, and pellet stove conversions do not qualify.

Requirements for all insulation rebates:

  • Work must be completed by one of our program-eligible contractors, a licensed weatherization contractor, or may be self-installed by homeowner.
  • Home must have electric heating or central cooling system serving at least 80% of the home’s conditioned floor area.
  • Areas that are not finished or conditioned living space such as a garage, do not qualify.
  • Products must be installed between unconditioned and conditioned living spaces.
  • Homes built in or after 2013 do not qualify.
  • Work performed as part of building code requirements do not qualify.

Additional requirements for attic insulation:

  • Pre-existing must be no more than R-19.
  • Final R-value depth must be equal to or greater than R-49.

Additional requirements for floor insulation:

  • Pre-existing must be no more than R-11.
  • Final R-value depth must be equal or greater than R-30.
  • Floor insulation must be installed between conditioned and unconditioned space in order to qualify for rebates (basement floors do not qualify).

Additional requirements for wall insulation:

  • Work must be completed by a Program-Eligible Contractor.
  • Must not have existing insulation.
  • New insulation added must be minimum R-13 or fill cavity.
  • Only exterior-facing walls qualify. Interior walls, such as walls between rooms, do not qualify.
  • Basements do not qualify.
  • Insulation along rim joists does not qualify.

Additional program rules:

  • Submit all documents so they are received within 90 days of the qualifying service completion date.
  • Insulation must be installed within 90 days of purchase.
  • Rebate cannot exceed project costs, self-installers are eligible for rebates on materials only.
  • For each area of the home, limit one rebate per insulation type, for the lifetime of the home.
  • For customers applying for multifamily properties, please contact the program for details on how to apply.

Required documents for online submission:

  • Application, completed and signed.
  • Itemized receipt or contractor invoice.
  • Third Party Payment Addendum for applicants who would like to forward payment to a third party not listed on the utility account.
  • AHRI certificate

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 qualified 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 R-values and square footage must be provided. This information will be listed on the register receipt or insulation packaging.
To ensure your home is eligible for a rebate and below the maximum insulation depth requirements, please use the insulation depth calculator. Prior to your contractor recording measurements, take a peek in your attic and do it yourself!

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 purchase.
  • 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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