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Gas Boilers, Steam Traps and Thermostatic Radiator Valves

Lower gas usage at your multifamily property by upgrading your gas heating system to a high-efficiency natural gas boiler. Energy Trust also offers incentives on steam traps and thermostatic radiator valves to lower gas usage at your multifamily property.

Gas Boilers, Steam Traps and Thermostatic Radiator Valves

To get started on your energy-efficient upgrade follow the steps below or contact a program representative.

  1. Establish your eligibility.

    Read More >
    • Property’s heating must be provided by NW Natural, Cascade Natural Gas or Avista.
    • Cash incentives are available to all Oregon multifamily attached residential properties with two or more units including: duplexes, triplexes and fourplexes; side-by-side units; and stacked structures with five or more units. For specific incentives based on your building type see the “Details” tab for further eligibility requirements.
    • Energy-saving improvements must meet program requirements.
  2. Find a trade ally contractor or work with your own contractor.

    We can help you get started.

  3. Install equipment that meets the requirements listed on the Details tab.

  4. Complete and submit an incentive application with supporting documentation.

    • Proof of payment (invoice or receipt marked paid) and/or contractor’s invoice
    • A W-9 or Substitute W-9 form is required for investment properties.
    • Energy Trust must receive applications within 90 days from the date of purchase and installation.

    Download Application (PDF) Download Application (Doc)

    Send by Mail

    Energy Trust of Oregon
    Existing Multifamily Program
    811 SW 6th Ave, Suite 800
    Portland, OR 97204

    Send by Fax

  5. Get your incentive.

    You should receive a cash incentive check within 6-8 weeks after all information is received.

    Note: A post-installation verification may be required.

Customers may receive cash incentives up to $250,000 per site, per year.

Equipment Incentive Requirements
High-Efficiency Condensing Boiler $8.50 per kBtu/h

Minimum 94% efficiency Annual Fuel Utilization Efficiency (AFUE) or Thermal Efficiency (TE).
Cannot be a backup boiler and must be used for HVAC purposes.
System must have a return water temperature appropriate to condensing functionality.

Steam Traps $100 $300 each

Must replace a failed, open existing steam trap
Participating gas utility serving a gas-fired steam boiler system
All steam traps in the system must be tested for failure status prior to replacement

Limited-time bonus. To qualify, equipment must be purchased and installed, and application received between 3/1/22 and 12/1/22.

Thermostatic Radiator Valves (TRVs) $100 $200 each

Gas central hydronic or steam systems only.
Replace manual, non-thermostatic valves at dwelling unit radiators.

Limited-time bonus. To qualify, equipment must be purchased and installed, and application received between 3/1/22 and 12/1/22.

Incentives are subject to funding availability and may change. Incentives are not intended to influence consumer decisions on fuel sources.

Need Help? Contact Us.

We’re here to explain the process and benefits. Give us a call at 1.877.510.2130 or send us an email at

Success Stories

Owens Adair Apartments, Astoria

Owens Adair Apartments, Astoria