Cascade Natural Gas CorporationWArebate

Furnace Rebate

Rebate amount

$1,600 - $2,400

Your qualifying range

$1,600 – $2,400

$1,600 for 95% AFUE minimum or higher; $2,400 for 98% AFUE minimum or higher. Rebates effective for installs on or after March 15, 2026. Washington only (Oregon Cascade customers are served by Energy Trust of Oregon). Customer must be on CNGC residential rate schedule 503. Home must be primarily heated by natural gas; a multi-zone ductless electric heat pump cannot be present. Applications must be received within 90 days of install date. Must be installed by a Washington State licensed contractor in good standing. Source: cngc.com 2026-2027 incentives sheet (verified 2026-09-11).

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.

residentialsingle familymulti family

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.

Applications must be submitted within 90 days of the installation date to be eligible.

Only installations performed by licensed Washington contractors will qualify for this rebate.

Online submissions can be made at www.cngc.com/energy-efficiency. Mailed applications should be sent to CNGC Energy Efficiency Rebate Processing, 1600 Iowa Street, Bellingham, WA 98229.

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

Paid to:Homeowner

Stackability: May be combined with federal tax credits (e.g., 25C) if equipment meets federal criteria. Cannot be combined with other utility rebates for the same equipment measures.

Important Dates

Program runs:: March 15, 2026

Budget & Availability

August 5, 2026
Program 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.

Program Resources

Cascade Natural Gas CorporationWA

Program Page

866-626-4479