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Residential Forms

Easily locate the right form for your project

Existing Homes, Mobile Homes and Small Multifamily Properties

  • Air Sealing & Duct Sealing: Form 320ADS (PDF | Doc)
  • PTCS™ Duct Sealing Certificate & NW Duct Sealing (PDF)
  • Weatherization—Windows and Insulation: Form 320WI (PDF | Doc)
  • Home Performance with ENERGY STAR: Form 320HPwES (PDF | Doc)
  • Windows Addendum (PDF | Doc)
  • Self-Installed Insulation and Electric Water Heaters: Form 320S (PDF | Doc)
  • Heating and Cooling and Gas Hot Water Heaters: Form 320H (Online*heating and cooling only | PDF | Doc)
  • Heat Pump Water Heaters: Form 320HPWH (PDF | Doc)
  • Hot Tub/Outdoor Spa Cover: Form 320HT (PDF | Doc)
  • ENERGY STAR® Clothes Washers, Dishwashers, Refrigerators and Freezers: Form 920C (Online | PDF | Doc)
  • Incentive Application for customers of NW Natural Washington: Form 320WA (PDF | Doc)
  • Plex Incentive Application (2-4 units) Form 320U (PDF | Doc); Requires a customized invoice (ask your trade ally contractor for more information)

Solar

Your contractor will complete all necessary forms.

Small Wind

Your contractor will complete all necessary forms.

Hydropower

  • Substitute Form W-9
  • Project Enrollment Application – Renewable Energy Programs – Project Development Assistance Incentives: Form 910E
  • Request for Funding – Renewable Energy Programs – Project Development Assistance Incentives: Form 930RF
  • Completion Certification – Renewable Energy Programs – Project Development Assistance Incentives: Form 940C