Development prototype for validation against LBNL WINDOW. Select nominal 3 mm or 6 mm monolithic glass; actual calculation thickness is 3.0 mm or 5.7 mm. Surface 1 emissivity = 0.84.
DEV V1.14 • CENTER-OF-GLASS
Glass Inputs
Nominal glass thickness
Actual calculation thickness5.7 mmCALCULATED
Surface 1 emissivity0.840 LOCKED
Solar transmittance (Tsol)
0%100%
Solar absorptance (Asol)0.28CALCULATED
Front solar reflectance (Rfsol)
0%100%
Surface 2 emissivity (ε2)
0.011.00
Tsol + Rfsol must be ≤ 100%.
Back reflectance is retained as a development parameter for WINDOW validation and is not a normal user input.
Performance updates automatically when an input changes.
Solar & Heat Flow
SHGC: 32°C outside / 24°C inside 783 W/m² solar • 2.75 m/s wind