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Existing Multifamily Buildings (Washington)

Increasing energy efficiency in multifamily properties can reduce operating expenses, raise tenant satisfaction and improve building marketability. Energy Trust offers cash incentives for energy-efficient equipment and retrofits at existing multifamily properties with two or more units. When you install energy-efficient equipment, you’ll see savings that can help your building stand out in a competitive market and contribute to tenant comfort and lower energy bills.

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

Project Examples

Existing Multifamily Buildings (Washington)

Apartment Building

Project Type: Tank Water Heaters
Project Cost: $158,200
Incentive: $5,000
Annual Savings: 4,400 therms

Existing Multifamily Buildings (Washington)

Apartment Building

Project Type: Boilers
Project Cost: $37,700
Incentive: $5,700
Annual Savings: 2,300 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.
    • Be improving an existing structure.
  2. Find a trade ally contractor.

    We can help you get started.

  3. Install equipment that meets the requirements listed in the Washington Existing Multifamily Application.

    Confirm equipment requirements here.

  4. Submit documentation.

  5. Get your incentive.

    Note: A post-installation verification may apply.

Equipment Incentive
Condensing Furnace $1.50–$3/kBtu/h input capacity
New Rooftop Unit (RTU) with Demand Controlled Ventilation (DCV) $29/ton
Advanced Rooftop Controls (ARC) – Full Retrofit $50/ton
Pre-Rinse Spray Valve $30 each
Commercial Tank Water Heater $3.25/kBtu/h input
Tankless Water Heater < 200 kBtu/h $300 each
Tankless Water Heater/Hot Water Supply Boiler ≥ 200 kBtu/h $1.50/kBtu/h
Commercial Condensing HVAC Boiler $3.25 $7/kBtu/h input
Limited-time bonus. To qualify, equipment must be purchased on or after 1/1/22 and installed by 12/31/22.
Domestic Hot Water (DHW) Recirculation Pump Control - Aquastat $100–$300/system
Steam Trap $100 $300/trap
Limited-time bonus. To qualify, equipment must be purchased on or after 3/1/22 and installed by 12/1/22.
Thermostatic Radiator Valves $100 $200 each
Limited-time bonus. To qualify, equipment must be purchased on or after 3/1/22 and installed by 12/1/22.
Commercial Condensing Pool Heater $2.35–$3.50 /sq ft of pool surface area served by heater
Commercial Pool Cover $2/sq ft of pool surface area
Commercial Clothes Washer, Common Areas $65 each
Clothes Washer, In-Unit $30 each
Laundry Center Washer/Dryer Combo, In-Unit $45 each
Gas-fired Automatic Conveyor Broiler $2,000–$3,000 each
Gas Convection Oven $315 each
Gas Combination Oven $750 each
Gas Rack Ovens $1,500-$1,750 each
Gas Fryer Incentive no longer available. To qualify equipment must have been purchased and installed on or before June 30, 2022. See form for details.
Gas Steam Cooker $2,000 $3,000 each
Limited-time bonus. To qualify, equipment must be purchased on or after 3/1/22 and installed by 12/1/22.
Commercial Vent Hood with DCV $750/controlled motor hp
Attic/Ceiling Insulation $0.25/sq ft
Flat Roof Insulation $0.30/sq ft
Pipe Insulation $4/linear ft

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.

Incentives also available for businesses located in Southwest Washington.

Need Help? Contact Us.

1.866.605.1676

existingbuildings@energytrust.org

Success Stories

Uptown Apartments, Vancouver, Washington

Uptown Apartments, Vancouver, Washington

Cash Incentives: $4,000