Window U-value EN ISO 10077-1

EN ISO 10077-1:2000-11 (1); applies to single windows (single or multiple glazing); does not apply to box or coupled windows.

Inter-glass spacer
The width of the window [m] 1.23
Window height [m] 1.48

W/m2K %
Height profile
A f Profile
U g Glass
U f Frame
Ψ gsub> spacers between the glass
The surface of the glass A g
The length windows distance I g
U w (unrounded)
Result: U w windows