Cascade Natural Gas - Conservation Incentives for Existing Homes

January 13, 2023


Cascade Natural Gas offers a variety of incentives to residential customers for making energy efficiency improvements to existing homes. Eligible equipment includes furnaces, water heaters, insulation, radiant heaters, and air sealing. Incentives are available directly from Cascade Natural Gas in Washington and are administered by Energy Trust of Oregon in Oregon. Incentives listed here apply to Washington residential customers of Cascade Natural Gas. Fuel for the home’s primary heat source must be provided by Cascade Natural Gas for all heating incentives and home’s water-heating fuel must be provided by Cascade Natural Gas for all water-heating incentives. Check the Cascade Natural Gas web site for application forms and further equipment requirements.

Qualifying measures must be purchased and installed by December 31 of the current calendar year and applications must be postmarked no later than March 1 of the following calendar year.

Program Overview

Implementing Sector: Utility
Category: Financial Incentive
State: Washington
Incentive Type: Rebate Program
Web Site:
Administrator: Lockheed Martin Energy and Environmental Services
Start Date:
Eligible Renewable/Other Technologies:
  • Water Heaters
  • Furnaces
  • Programmable Thermostats
  • Building Insulation
  • Doors
  • Other EE
  • Insulation
  • Tankless Water Heater
Incentive Amount: High Efficiency Natural Gas Furnace: $400
High Efficiency Natural Gas Hearth: $250 - $300
Combination Domestic Water/Hydronic Space Heating System (using Tankless Water Heater): $2,500
Condensing Tankless Water Heater: $250
Conventional Natural Gas Water Heater: $45
High-Efficiency Exterior Door: $45
Exterior Entry Door: $100
Programmable Thermostat: $10
Floor Insulation: $0.75 per sq. ft.
Wall Insulation: $0.75 per sq. ft.
Ceiling or Attic Insulation: $0.75-$1.00 per sq. ft.
Whole House Residential Air Sealing: $100
Equipment Requirements: See program website.


This program has 5 incentives
Technologies: Furnaces
Sectors: Residential
Parameters: The incentive is 400.00 $/Unit
Technologies: Tankless Water Heater
Sectors: Residential
Parameters: The incentive is 250.00 $/Unit
Technologies: Water Heaters
Sectors: Residential
Parameters: The incentive is 45.00 $/Unit
Technologies: Building Insulation, Insulation
Sectors: Residential
Parameters: The incentive has a maximum of 0.75 $/square foot
Technologies: Programmable Thermostats
Sectors: Residential
Parameters: The incentive is 10.00 $


Name: Cascade Natural Gas
Address: 1600 Iowa Street
Bellingham WA 98229
Phone: (866) 626-4479

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.