Duct Sealing Rebate
Cascade Natural Gas Corporation provides a $1,000 rebate for residential duct sealing in homes heated by natural gas. At least 30% of the supply ductwork must be located in unconditioned spaces such as attics, crawlspaces, or unheated basements. Work must be performed by a licensed contractor and claimed within 90 days.
Guidance
Cascade Natural Gas Corporation offers a $1,000 rebate for residential duct sealing in homes heated by natural gas. To qualify, at least 30% of the supply ductwork must be located in unconditioned spaces like attics, crawlspaces, or unheated basements.
Homeowner Tasks
- Confirm natural gas heating
Ensure your home's primary heating source is natural gas provided by Cascade Natural Gas Corporation.
- Hire a licensed contractor
Select a licensed contractor to perform the duct sealing work, as DIY work is not eligible.
- Complete the rebate form
Fill out and sign your designated sections of the program rebate application.
Contractor Tasks
- Verify ductwork locations
Confirm and document that at least 30% of the supply ductwork is located in unconditioned spaces such as attics, crawlspaces, or unheated basements.
- Provide an itemized invoice
Issue a detailed invoice to the customer that explicitly indicates the specific duct location details where the sealing was performed.
- Submit the application packet
Send the completed rebate form and the itemized invoice to the program within 90 days of the installation date.
Qualification
No special qualification flags for this rebate.
Not required: energy star certified equipment · ahri matched pair · income-qualified · has income-qualified portion · pre-approval required · permit required · contractor enrollment required · fuel switching required
Budget & Availability
- August 5, 2026Active 2026-2027 program.
How to Submit
Submit completed rebate form and itemized contractor invoice indicating duct location details within 90 days of installation.