Name: ELVIAL W77 AI²
Brand: ELVIAL SA

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Frame cut	Frame width `b`_f/mm	Frame `U` value `U`_f/(W/(m² K))	Glass edge `Ψ` value `Ψ`_g/(W/(m K))	Temperature factor `f`_Rsi = 0,25 m²K/W
Bottom	138	1.03	0.022	0.74
Lateral	138	1.03	0.022	0.74
Flying Mullion	180	1.17	0.022	0.72
Top	138	1.03	0.022	0.74

Installationsituation
I want to use my own installation values
Ψ_up= W/(mK) Ψ_down= W/(mK)	Ψ_left= W/(mK) Ψ_right= W/(mK)
Or select certified Situation:	`U`_{W, installed} = ? W/(m² K)

Cost Calculation
Orientation :	Please choose orientation of the window to get the PHPP-standard values for solar radiation
Degree Days: kKh/a Solar Radiation: kWh/(m²a)	Reduction factor of solar yield: Shading factor:	Recommended Value for Reduction Factor is 0.9 Shading Factor should be between 0.1 and 1. For standard situations look in ISO EN 13790
Energy price €/kWh	Real Interest Rate %	Life-Time Years
Purchase price: €
	Present Value(energy) = ? € Present Value(total) = ? €

Component Database

Window
ELVIAL W77 AI²