1. www.sommer-informatik.de WinUw Program to compute coefficient of heat transmission

2. www.sommer-informatik.de Introduction Computation of Uw-Value for windows according to EN ISO 10077- 1 subject to window size, Uf, Ug, Psi and frame broadness. Detailed Graphs of cross-sections of frame profiles including glass and ist edge Computing coefficient of heat transmission according to its length Select horizontal or vertical muntin Calculation of middle U-value for the whole facade

3. Main view www.sommer-informatik.de Select type of distance piece undertaken by leading producers Define double and triple glazing Pick single- or double-leaf windows Output of Uw-Value in W/(m²K)

4. www.sommer-informatik.de Grid

5. Graph 1 www.sommer-informatik.de Material

6. www.sommer-informatik.de Graph 2 Isothermals

7. www.sommer-informatik.de Graph 3 Heat Floats

8. www.sommer-informatik.de Printout

9. Sommer Informatik GmbH Sepp-Heindl-Str. 5 D-83026 Rosenheim Tel.: +49(0)8031 – 24881 Fax: +49(0)8031 – 24882 info@sommer-informatik.de www.sommer-informatik.de Please find further Information at www.winuw.de www.winuw.de www.sommer-informatik.de