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ELVIAL W89 PHI² Variant

Component id: 1744wi03
Manufacturer: ELVIAL SA
Category: Operable
Material: Aluminium
UW: 0.80 W/(m2 K)
Efficiency class: phC
Spacer: SWISSPACER Ultimate
Climate zones: Cool, temperate
Description: Aluminum frame with thermal break out of polyamide (Technoform), low E polyamide (Technoform), Elvial I2 insulation and Kingspan Kooltherm insulation. Pane thickness: 48 mm (4/18/4/18/4), rebate depth: 17 mm. Spacer: SWISSPACER Ultimate with butyl as secondary seal.
Certified since: June 23, 2021

Frame cut Frame width
Frame U-value
W/(m2 K)
Glass edge Ψ-value
W/(m K)
Temperature factor
fRsi = 0.25 m2K/W
Flying Mullion 180 1.10 0.023 0.75
Bottom 162 0.80 0.024 0.77
Top 162 0.80 0.024 0.77
Lateral 162 0.80 0.024 0.77

Please select preferred window layout

Installation situation

UW, installed = ? W/(m2 K)

U-value calculation

 m  m  m
Pick window layout

 W/(m2 K)
UW = ? W/(m2 K)

Cost calculation


Please choose orientation of the window
to get the PHPP-standard values for solar radiation



Recommended value for reduction factor is 0.9
Shading factor should be between 0.1 and 1. For standard situations see ISO EN 13790




Present value (energy) = ? €
Present value (total) = ? €
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