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.
| Product | |
| Material | |
| Inter-glass spacer | |
| Glass | |
| The width of the window [m] | 1.23 |
| Window height [m] | 1.48 |
| W/m2K | % | ||
| Height 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 |