Washington Insulation Rebates for Multifamily Homes - Contractor Install Required
Avista Residential Insulation Rebate Program Update
Effective August 1, 2025, the Avista residential insulation rebate program will transition to an improved process that eliminates the need for customer rebate form completion. Additional program details will be available at that time.
Rebate applications for the current program will continue to be accepted through August 30, 2025.
Rebates available to qualified customers:
| Rebate | Existing insulation | New insulation | Incentive |
|---|---|---|---|
| Attic insulation |
R-11 or less |
*R-49+ |
$1.50/SQft |
| Wall insulation |
R-0 |
R-13+ |
$1.50/SQft |
| Floor insulation |
R-0 |
R-30+ |
$1.50/SQft |
| Floor insulation |
R-0 |
R-19+ |
$1.00/SQft |
*Will accept R-38+ for attic insulation if contractor's invoice indicates installed R-value is the max value space allows.
Get your rebate
Step 1: Choose licensed contractor and qualifying equipment
- Insulation must be installed by a licensed contractor. We recommend that you obtain several bids for comparison.
- Ensure insulation meets efficiency requirements for both existing and new insulation levels.
Step 2: Ensure your home qualifies
- Only existing homes qualify (no new construction).
- Primary fuel used for heating must be Avista electric or natural gas service.
- For primary multifamily residences, there is no minimum usage requirement.
- For primary multifamily homes with shared interior walls (up to a fourplex) including apartments, duplexes, townhomes, and condos.
- Seasonal and recreational homes are not eligible.
Step 3: Submit a rebate application
- Complete and submit a rebate application within 120 days of qualifying equipment installation.
- Include a copy or electronic image of the final itemized invoice showing square footage, pre- and post- R-value ratings, and costs (bids and estimates are not accepted).
Rebate applications may be submitted via the following:
Online: Rebate application
Download the rebate form and once complete, send it—along with your required documentation—via the following:
- Email: rebates@myavista.com
- Fax: (509) 777-5784
- Mail: Avista Rebates PO Box 3727, MSC-15
Spokane, WA 99220-3727
Important rebate information
- Avista reserves the right to verify installation of the energy efficiency measure(s) prior to payment and will coordinate inspection, as applicable.
- Homeowners are responsible for complying with all applicable codes and regulations.
- Avista, and its agents, may upon reasonable notice, request access to customer’s premises after payment, for evaluation and measurement purposes.
- Rebates will not exceed 100% of the actual measure cost, including tax.
- Rebates are paid directly to homeowner via check or account credit, unless homeowner authorizes payment release to contractor.
- Allow up to 8 weeks for processing and payment, including issuance of check or bill credit.