This European Standard specifies a calculation method to determine the thermal transmittance of glazing with flat and parallel surfaces.
DIN EN 673:2011 history
2023DIN EN 673:2023-01 Glass in building - Determination of thermal transmittance (U value) - Calculation method; German and English version prEN 673:2022 / Note: Date of issue 2022-12-02*Intended as replacement for DIN EN 673 (2011-04).
2011DIN EN 673:2011-04 Glass in building - Determination of thermal transmittance (U value) - Calculation method; German version EN 673:2011 / Note: To be replaced by DIN EN 673 (2023-01).
2011DIN EN 673:2011 Glass in building - Determination of thermal transmittance (U value) - Calculation method; German version EN 673:2011
1970DIN EN 673:2003 Glass in building - Determination of thermal transmittance (U value) - Calculation method
1999DIN EN 673:1999 Glass in construction _ Determination of the heat transfer coefficient (U-value) DIN calculation method