Furnace Rebate
Cascade Natural Gas Corporation offers rebates up to $2,400 for residential customers in Washington installing high-efficiency natural gas furnaces. Eligible 95% AFUE furnaces qualify for $1,600, while premium 98% AFUE models qualify for $2,400. Applications must be submitted within 90 days of installation by a licensed Washington contractor.
Guidance
Cascade Natural Gas Corporation offers rebates ranging from $1,600 to $2,400 for Washington residential customers upgrading to high-efficiency natural gas furnaces. Eligible 95% AFUE models qualify for $1,600, while premium 98% AFUE models qualify for the maximum $2,400 rebate.
Homeowner Tasks
- Hire a licensed contractor
Ensure your high-efficiency natural gas furnace is installed by a licensed Washington contractor.
- Complete the rebate application
Fill out and sign your portion of the Cascade Natural Gas Corporation rebate application.
- Retain your itemized invoice
Keep a copy of the detailed, itemized invoice provided by your contractor, as it is required for submission.
Contractor Tasks
- Install qualifying equipment
Install a natural gas furnace that meets the minimum efficiency requirement of either 95% AFUE or 98% AFUE.
- Provide an itemized invoice
Give the homeowner a detailed invoice showing the equipment installed, which is required for the rebate application.
- Submit the application
Submit the completed rebate application along with the itemized invoice online or via mail.
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, 2026Program is active and open under 2026-2027 incentive schedules.
How to Submit
Submit the completed rebate application along with an itemized invoice within 90 days of installation. Online submissions can be made via www.cngc.com/energy-efficiency or mailed to CNGC Energy Efficiency Rebate Processing, 1600 Iowa Street, Bellingham, WA 98229.