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Tests & Specifications

Not sure which Vytex product is best for your home? Use this handy chart to compare.
Products Type of Glazing U-value Solar Heat Gain Coefficient % Visible Light Transmission ENERGY STAR® Compliance Qualifies for Energy Tax Credit
Georgetown Series Double-hung Dual Glazed Low-E Glass w/ Argon 0.29 0.29 0.53 All Regions Yes
Georgetown Series Double-hung Dual Glazed Low-E Glass w/ Argon/Grids 0.29 0.26 0.47 All Regions Yes
Georgetown Series Picture Window Dual Glazed Low-E Glass w/ Argon 0.27 0.30 0.54 All Regions Yes
Georgetown Series Picture Window Dual Glazed Low-E Glass w/ Argon/Grids 0.27 0.27 0.48 All Regions Yes
Georgetown Series Slider Dual Glazed Low-E Glass w/ Argon 0.29 0.28 0.51 All Regions Yes
Georgetown Series Slider Dual Glazed Low-E Glass w/ Argon/Grids 0.29 0.25 0.45 All Regions Yes
Heritage Series Double-hung Dual Glazed Low-E Glass w/ Argon 0.27 0.29 0.53 All Regions Yes
Heritage Series Double-hung Dual Glazed Low-E Glass w/ Argon/Grids 0.27 0.26 0.47 All Regions Yes
Heritage Series Picture Window Dual Glazed Low-E Glass w/ Argon 0.26 0.30 0.55 All Regions Yes
Heritage Series Picture Window Dual Glazed Low-E Glass w/ Argon/Grids 0.26 0.27 0.49 All Regions Yes
Heritage Series Slider Dual Glazed Low-E Glass w/ Argon 0.26 0.29 0.53 All Regions Yes
Heritage Series Slider Dual Glazed Low-E Glass w/ Argon/Grids 0.26 0.26 0.48 All Regions Yes
Heritage Series Double-hung Triple Glazed Low-E Glass w/ Argon 0.21 0.26 0.42 All Regions Yes
Heritage Series Double-hung Triple Glazed Low-E Glass w/ Argon/Grids 0.21 0.23 0.38 All Regions Yes
Heritage Series Picture Window Triple Glazed Low-E Glass w/ Argon 0.20 0.26 0.43 All Regions Yes
Heritage Series Picture Window Triple Glazed Low-E Glass w/ Argon/Grids 0.20 0.24 0.38 All Regions Yes
Heritage Series Slider Triple Glazed Low-E Glass w/ Argon 0.21 0.26 0.42 All Regions Yes
Heritage Series Slider Triple Glazed Low-E Glass w/ Argon/Grids 0.21 0.23 0.38 All Regions Yes
Heritage Series Double-hung Triple Glazed Low-E Glass w/ Krypton 0.17 0.26 0.42 All Regions Yes
Heritage Series Double-hung Triple Glazed Low-E Glass w/ Krypton/Grids 0.17 0.23 0.38 All Regions Yes
Heritage Series Picture Window Triple Glazed Low-E Glass w/ Krypton 0.16 0.26 0.43 All Regions Yes
Heritage Series Picture Window Triple Glazed Low-E Glass w/ Krypton/Grids 0.16 0.24 0.38 All Regions Yes
Heritage Series Slider Triple Glazed Low-E Glass w/ Krypton 0.17 0.26 0.42 All Regions Yes
Heritage Series Slider Triple Glazed Low-E Glass w/ Krypton/Grids 0.17 0.23 0.38 All Regions Yes
Series 8200 Patio Door Dual-Glazed Low-E Glass w/ Argon 0.30 0.28 0.51 All Regions Yes
Series 8200 Patio Door Dual-Glazed Low-E Glass w/ Argon/Grids 0.30 0.25 0.51 All Regions Yes
Series 8200 Patio Door Triple-Glazed Low-E Glass w/ Argon 0.24 0.24 0.40 All Regions Yes
Series 8200 Patio Door Triple-Glazed Low-E Glass w/ Argon/Grids 0.24 0.22 0.35 All Regions Yes
Series 8200 Patio Door Triple-Glazed Low-E Glass w/ Krypton 0.20 0.24 0.40 All Regions Yes
Series 8200 Patio Door Triple-Glazed Low-E Glass w/ Krypton/Grids 0.20 0.22 0.35 All Regions Yes
4000 Series Single-hung Dual-Glazed Low-E Glass w/ Argon 0.29 0.32 0.57 All Regions Yes
4000 Series Single-hung Dual-Glazed Low-E Glass w/ Argon/Grids 0.29 0.29 0.51 All Regions Yes
Notes:
  1. All windows are tested and certified to National Fenestration Rating Council (NFRC) standards.
  2. ENERGY STAR® compliant windows are rated, certified, and labelled for U-value and solar heat gain coefficient per NFRC.
  3. All Vytex Low-E insulated glass units (IGUs) contain argon or krypton gas.
  4. Values for units with grids are based on 8mm x 18 mm or smaller divider size.