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Existing Buildings (Washington)

No matter the size or type of your business, Energy Trust offers a variety of incentives for qualifying natural gas upgrades. Incentives may help lower your upfront costs and make energy-efficient improvements more affordable. These upgrades can deliver long-term energy savings, lower operating costs and improve employee and customer comfort. Energy savings often pay for improvements in just a few years, helping you achieve a faster return on your investment. Want to stretch every dollar? Bring us in.

Incentives are available for commercial firm and interruptible sales customers served on rate schedules 1, 3, 41 and 42.

Project Examples

Existing Buildings (Washington)

Foodservice Business

Project Type:  Gas Fryer
Project Cost: $1,200
Incentive: $1,000
Annual Savings: 400 therms

Existing Buildings (Washington)


Project Type: Modulating Boiler Burner
Project Cost: $28,500
Incentive: $3,800
Annual Savings: 1,500 therms

  1. Check your eligibility.

    Read More >

    Energy Trust provides cash incentives to businesses for energy-efficiency and renewable energy projects. To qualify, you must:

    • Have a commercial, industrial or institutional facility project site in Washington served by
      NW Natural. Washington customers are eligible for gas incentives only. Additional requirements may apply.
  2. Find a trade ally contractor.

    We can help you get started.

  3. Install equipment that meets the requirements listed in the Washington Existing Buildings Cash Incentives Brochure.

  4. Submit documentation.

  5. Get your incentive.

    Note: A post-installation verification may apply.

Incentive amounts listed below include 2020 bonuses. Bonuses are available May 18, 2020 – December 1, 2020.

Equipment Incentive
New Rooftop Unit with Demand Controlled Ventilation (DCV) $29/ton
Advanced Rooftop Controls (ARC) – Full Retrofit $50/ton
Infrared Radiant Heaters $5.50–$7/kBtu/h input
Commercial Tank Water Heater $3/kBtu/h input
Commercial Tankless Water Heater < 200 kBtu/h $300 each
Commercial Tankless Water Heater/Boiler ≥ 200 kBtu/h $1/kBtu/h input
Commercial Condensing HVAC Boiler $3.25/kBtu/h input
Modulating Boiler Burner $5 $9/kBtu/h of burner rated capacity
Steam Traps $0.40–$0.90/lb/hr of trap capacity
Commercial Condensing Pool Heater $2.35–$3.50/sq ft of pool surface area served by heater
Showerhead/Showerwand* $7 each
Bathroom Faucet Aerator $2 each
Kitchen Faucet Aerator $5 each
Commercial Laundry Washer $65 each
Gas-fired Automatic Conveyor Broiler $2,015–$2,925 $2,500–$3,500 each
Gas Convection Oven $315 each
Gas Combination Oven $750 each
Gas Rack Ovens $2,500–$5,000 each
Gas Fryer $1,000 $2,500/vat
Gas Steam Cooker $1,850 each
Commercial Vent Hood with DCV $750 $1,100/controlled motor hp
Dishwashers $195–$900 each
Pre-Rinse Spray Valve $30 each
Refrigerated Doors $100 $300/linear ft of door
New Cooler Cases with Doors $35 $114–$190/linear ft of door
Attic Insulation $0.60 $0.90/sq ft
Roof Insulation $0.50-$1 $2/sq ft
Wall Insulation $0.60 $1.30/sq ft
Pipe Insulation $4–$12 $15/lineal ft

*Showerheads and showerwands purchased at retail stores currently participating in Energy Trust’s retail buydown are not eligible.

It’s easy to qualify for standard incentives, get more details in the Washington Existing Buildings Cash Incentives Brochure.

Ready to apply for standard incentives? Download general project forms. If you need guidance, just ask your trade ally contractor for assistance.

Custom Incentives

Energy Trust offers custom incentives for larger, more complex projects. Eligible participants can receive up to $75,000 per site, per year for qualifying projects. Learn more about custom incentives >

Incentives are subject to funding availability and may change.

Need Help? Contact Us.


Success Stories

Camas School District, Camas, Washington

Camas School District, Camas, Washington

Estimated Annual Savings: $39,300

Cash Incentives: $165,900