U-FACTORS
| AIRSPACE | 1/2" | 1/2" |
| GLASS COATING | LoE | LoE |
| GAS | Air | Argon |
| SPACER | SuperSpacer | SuperSpacer |
| VANTAGE I Series |
||
| Single Hung / Slider | 0.32 | 0.29 |
| Direct Glazed Picture | 0.31 | 0.28 |
| Casement/Awning | 0.30 | 0.27 |
| VX Patio Door | 0.33 | 0.29 |
| French Rail Patio Door | 0.35 | 0.31 |
| VANTAGE II Series | ||
| Single Hung / Slider | 0.33 | 0.29 |
| Direct Glazed Picture | 0.30 | 0.26 |
| Triple-Pane VANTAGE I Series | ||
| Casement/Awning | 0.19 | |
| Sash Glazed Picture | 0.19 | |
| VX PD Standard | 0.23 | |
| VX PD French Rail | 0.26 | |
Procedure for Determining Fenestration
Products U-Factors. (2004).
NOTE: All values are "full frame" ratings. These ratings should not be compared to "Center of Glass" or "COG" ratings, which do not factor in the window frame, sash, and grid materials.
MANUFACTURER CERTIFICATION STATEMENT:
Weathervane hereby certifies that the products listed above meet or exceed Energy Star requirements for all climate zones, and therefore qualify for the federal energy conservation tax credit for consumer home improvements. Consumers applying for tax credits should retain a copy of this statement for their tax records. For additional information, please visit www.Energystar.gov.
