Energy Guide

Thermal Ratings
SHGC VT U-FACTOR SHGC VT U-FACTOR SHGC VT
Clear 0.48 0.54 0.56 0.48 0.49 0.50 0.48 0.49 0.50
Low-E 272 0.36 0.29 0.49 0.36 0.26 0.44 0.36 0.26 0.44
Low-E 272 Argon 0.33 0.29 0.49 0.33 0.26 0.44 0.33 0.26 0.44
Low-E EC 0.32 0.27 0.45 0.32 0.25 0.40 0.32 0.25 0.40
Low-E EC Argon 0.30 0.27 0.45 0.30 0.25 0.40 0.30 0.25 0.40
Low-E 366 0.36 0.19 0.44 0.36 0.18 0.40 0.36 0.18 0.40
Low-E 366 Argon 0.33 0.19 0.44 0.33 0.17 0.40 0.33 0.17 0.40
Triple Glaze Argon - 270, Cl, Cl 0.30 0.24 0.43 0.30 0.22 0.39 - - -
Triple Glaze Argon - 270, Cl, 180 0.27 0.23 0.41 0.27 0.22 0.37 - - -
Triple Glaze Argon - 180, Cl, 180 0.27 0.39 0.46 0.28 0.36 0.42 - - -
Clear 0.48 0.54 0.56 0.48 0.49 0.50 0.48 0.49 0.50
Low-E 272 0.37 0.29 0.49 0.37 0.26 0.44 0.37 0.26 0.44
Low-E 272 Argon 0.34 0.29 0.49 0.34 0.26 0.44 0.34 0.26 0.44
Low-E EC 0.32 0.27 0.45 0.32 0.25 0.40 0.32 0.25 0.40
Low-E EC Argon 0.30 0.27 0.45 0.30 0.25 0.40 0.30 0.25 0.40
Low-E 366 0.36 0.19 0.44 0.36 0.18 0.40 0.36 0.18 0.40
Low-E 366 Argon 0.33 0.19 0.44 0.33 0.18 0.40 0.33 0.18 0.40
Triple Glaze Argon - 270, Cl, Cl 0.30 0.24 0.43 0.31 0.22 0.39 - - -
Triple Glaze Argon - 270, Cl, 180 0.27 0.24 0.41 0.28 0.22 0.37 - - -
Triple Glaze Argon - 180, Cl, 180 0.28 0.39 0.46 0.28 0.36 0.42 - - -
Clear 0.48 0.63 0.65 0.48 0.56 0.58 0.48 0.56 0.58
Low-E 272 0.35 0.34 0.57 0.35 0.30 0.51 0.35 0.30 0.51
Low-E 272 Argon 0.31 0.34 0.57 0.31 0.30 0.51 0.31 0.30 0.51
Low-E EC 0.29 0.32 0.52 0.29 0.29 0.47 0.29 0.29 0.47
Low-E EC Argon 0.27 0.32 0.52 0.27 0.29 0.47 0.27 0.29 0.47
Low-E 366 0.34 0.22 0.51 0.34 0.20 0.46 0.34 0.20 0.46
Low-E 366 Argon 0.30 0.22 0.51 0.30 0.20 0.46 0.30 0.20 0.46
Triple Glaze Argon - 270, Cl, Cl 0.27 0.27 0.50 0.28 0.25 0.45 - - -
Triple Glaze Argon - 270, Cl, 180 0.24 0.27 0.48 0.24 0.24 0.43 - - -
Triple Glaze Argon - 180, Cl, 180 0.25 0.45 0.54 0.25 0.41 0.48 - - -
SERIES
The performance information listed is for new products and is intended to be used for reference only, and is not complete. Depending on the components, accessories, and
options chosen, the actual rating could vary. Confirm ratings for specific products with your supplier or JELD-WEN sales representative.
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Wood Window NFRC Thermal Ratings

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