ISO 12567-1:2010规定了测量门窗系统热透射率的方法。它适用于框架、窗扇、百叶窗、百叶窗、屏风、面板、门扇和配件的所有效果。 它不适用于试样周长以外发生的边缘效应、试样上太阳辐射引起的能量转移、通过试样的空气泄漏效应，以及外表面伸出冷侧屋顶表面的屋顶窗户和突出产品。

ISO 12567-1:2010 specifies a method to measure the thermal transmittance of a door or window system. It is applicable to all effects of frames, sashes, shutters, blinds, screens, panels, door leaves and fittings. It is not applicable to edge effects occurring outside the perimeter of the specimen, energy transfer due to solar radiation on the specimen, effects of air leakage through the specimen, and roof windows and projecting products, where the external face projects beyond the cold side roof surface.