GB/T 50466-2018 第4.4.1条
| | The heat transfer coefficient and shading coefficient of exterior windows (including transparent curtain walls) in hotel buildings shall comply with the limits: in severe cold regions K≤2.0 W/(m²·K), in cold regions K≤2.5 W/(m²·K), and in hot summer and cold winter regions K≤3.0 W/(m²·K). |