Insulation
Get up to $0.69/sq. ft. cash back
Don’t Hesitate. Insulate.
Upgrade your insulation and earn cash back for every square foot. There’s no easier 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.
Pacific Power partners with local agencies to provide free weatherization services to income-qualifying homeowners and renters living in mobile homes. Based on the home’s needs, a variety of measures can be installed, including insulation, energy-efficient showerheads and more. All of these measures are designed to lower your electric bills while keeping your home comfortable. Learn more: https://www.PacificPower.net/liweatherization
| Insulation Type Single-Family | R-Initial | R-Final | Incentive* |
|---|---|---|---|
| Attic | ≤19 | ≥49 | $0.69/sq. ft. |
| Floor | <11 | ≥19 | $0.31/sq. ft. |
| Floor | <11 | ≥30 | $0.46/sq. ft. |
| Wall | 0 | ≥13 or fill cavity | $0.62/sq. ft. |
| Flex Ducts | <2 | ≥8 | $2.50/ft. of duct |
| Rigid Ducts | <2 | ≥11 | $2.50/ft. of duct |
*Incentive may be capped so as not to exceed the qualifying project costs inclusive of other market funding sources.
Ensure the single-family home qualifies:
- Must be an existing single-family home, new construction is not eligible for this incentive.
- Work completed must comply with all building codes and standards.
- For each area of the home, limit one incentive per insulation type for the lifetime of the home.
- Work performed as part of building code requirements does not qualify.
- Home must be electrically heated:
– Electric heat 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 primary heat source (space heaters do not qualify).
- Non-electric heating or cooling is defined as a heating or cooling system with gas, oil, wood heating, pellet stoves, or propane serving as the home’s current primary heat or cooling source.
Requirements for all insulation projects:
- Work must be completed by a Wattsmart Vendor Network contractor or self-installed by the customer. Find a program-qualified contractor with the Find A Vendor tool. Contractors must be on the list at the time of equipment installation.
- Insulation must be installed according to the specifications outlined in the Washington Technical Specifications Manual.
- Insulation must be installed between unconditioned and conditioned living spaces.
- Insulation may be self-installed by the customer.
Additional program rules:
- Incentive application and supporting documentation must be postmarked or submitted online within 180 days of equipment installation.
- Application must be submitted within 180 days of purchasing your new energy-efficient product.
- Incentive may not exceed total cost of the project.
- Self-installed insulation is eligible for incentives on materials only.
- For each area of the home, limit one incentive per insulation type for the lifetime of the home.
- Incentive is paid by square footage of installed insulation.
Required documents:
- Incentive Application, completed and signed*
- Itemized receipt or contractor invoice must include:
– Product and/or installation costs (materials, labor, service)
– Date work initiated
– Date work completed
– Square footage of area(s) insulated
– Pre-existing R-value
– Added R-value
– Retailer and/or Trade Ally business name
- Third Party Payment Addendum (only for homeowners and other third-party entities not listed on account and applying for incentives).
- IRS W-9 Form, if applicable**
To ensure your home is eligible for an incentive 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!
*If mailing, please make copies for your records and note the date mailed on the application.
**Applicable only to businesses and non-individual customers, including landlords, applying for incentives.
Incentives are associated with the Wattsmart® Homes program January 1, 2026, tariff filing approved by the Washington Utilities and Transportation Commission. All incentives are subject to change with 45 days notice. Additional terms and conditions may apply.