200 New Construction

Windows with Grids

EcoShield Windows


NFRC Testing Chart
Effective Date: March 5th, 2018

Thermal Performance Data - 200 Double HungEnergy Star
Glass TypeU-ValueSHGCVLTCRCompliance
ST Energy Star0.290.260.4962All Zones
High Perf. Low E0.330.260.4958SC, S


Thermal Performance Data - 200 Picture WindowEnergy Star
Glass TypeU-ValueSHGCVLTCRCompliance
ST Energy Star0.280.280.5264N, NC, SC
High Perf. Low E0.320.280.5260SC


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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.
Please contact your dealer or customer service representative for the most up to date information.