Seattle City Light Window Replacement Program Rebates

  • Window replacement: $8 per square foot when replacing single-pane (or double-pane metal frame) windows/patio doors with 0.22 U-factor windows or better. $6 per square foot when replacing single-pane (or double-pane metal frame) windows/patio doors with 0.30 U-factor windows or better.
  • Insulation: $0.75 per square foot.
  • Exterior insulated doors: $40 per door. Must be Energy Star qualified.
  • Custom incentives may be available for in-unit ventilation, common area HVAC, and electric hot water systems.
  • Contact South Tacoma Glass for details on project eligibility.

Program Eligibility

  • Building must:
    • Be an apartment building, condominium, retirement community, or cooperative with 5+ units
    • Be located in the Seattle City Light service area
    • Have permanently installed electric heat (resistance, heat pump) as its primary heat source
    • Meet existing window/insulation eligibility conditions to qualify for incentives
  • City Light Participation Agreement must be in place prior to start of work




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