Insulating Glass Unit Performance Comparisons 24mm units with 12mm airspace and two 6mm lites
| Glass Type | Visible Light Transmittance (VLT)2 | Visible Light Reflectance2 | (BTU/hr°ft2°˚F) NFRC U-Value3 | Solar Heat Gain Coefficient (SHGC)4 | Light to Solar Gain (LSG)5 | ||
| Exterior % | Interior % | Winter Night-time | Winter Argon | ||||
| SOLARBAN 60 (2) Clear + Clear | 70 | 11 | 12 | 0.29 | 0.24 | 0.39 | 1.79 |
| SOLARBAN 70XL (2) + Clear | 64 | 12 | 13 | 0.28 | 0.24 | 0.27 | 2.37 |
| SOLARBAN 72 (2) STARPHIRE + STARPHIRE | 71 | 13 | 13 | 0.29 | 0.24 | 0.3 | 2.37 |
| SOLARBAN 90 (2) Clear + Clear | 51 | 12 | 19 | 0.29 | 0.24 | 0.23 | 2.22 |
| SOLARBAN z50 (2) OPTIBLUE + Clear | 51 | 8 | 11 | 0.29 | 0.24 | 0.32 | 1.59 |
| SOLARBAN R100 (2) Clear + Clear | 42 | 32 | 14 | 0.29 | 0.25 | 0.23 | 1.83 |