Green City Library Help

To1978

Basics:

Energetic standard of installed windows compared to German situation between 1969 and 1978:

  • Record ID: 5

  • End of time frame: 1978

  • U-Value:

    • Wooden window frames, single glazed: 5.0 W/(m2*K)

    • Wooden window frames, double glazed: 2.7 W/(m2*K)

    • Plastic frames: 3.0 W/(m2*K)

    • Aluminium/steel frames: 4.3 W/(m2*K)

  • g-Value:

    • Wooden window frames, single glazed: 0.87

    • Wooden window frames, double glazed: 0.75

    • Plastic frames: 0.75

    • Aluminium/steel frames: 0.75

26 September 2025