220 New Construction


EcoShield Windows


NFRC Testing Chart
Effective Date: March 5th, 2018

Thermal Performance Data - 220 Double HungEnergy Star
Glass TypeU-ValueSHGCVLTCRCompliance
Energy Star U40.250.270.4847N,NC
Low E w/ Argon0.280.280.5163NC
Energy Star III0.290.370.5159NC
High Perf. Low E0.320.280.5158


Thermal Performance Data - 220 Picture WindowEnergy Star
Glass TypeU-ValueSHGCVLTCRCompliance
Energy Star U40.220.280.5048N,NC
Low E w/ Argon0.250.300.5564N,NC
Energy Star III0.260.390.5562N,NC
High Perf. Low E0.290.300.5560NC


Thermal Performance Data - 220 Rolling WindowEnergy Star
Glass TypeU-ValueSHGCVLTCRCompliance
Energy Star U40.230.260.4651N,NC
Low E w/ Argon0.270.280.5163N,NC
Energy Star III0.280.360.5159NC
High Perf. Low E0.310.280.5159


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EcoShield Window Systems, a quality product of Kasson and Keller Inc.
Manufacturing replacement windows, new construction windows, and storm windows since 1947

Product information on this site is subject to change without notice.
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