Calculation of U-value

Calculating the U-value of windows by EN ISO 10077-1

EN ISO 10077-1:2000-11 (1); applies to single-glazed windows (single or insulating); not to boxed or plywood windows.

Products
Material
Interglass spacer
Glass
Window width [m]	1.23
Window height [m]	1.48

		W/m2K	%
Profile height
Af profile
Ug glass
Uf frame
Ψg interglass spacer
Glass surface Ag
Length of glass edge Ig
Uw (unframed)
Result: Uw Window