Energy Performance

For more information about ENERGY STAR® climate zones and criteria, visit our Climate Zone Maps & Info page.

Energy data is also available on product detail pages with the data already filtered to match the product.

Information about Kolbe Teutonic® Series products is available at

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NFRC CPD # - (please include hyphens)OR
SeriesProductModelClimate ZoneMin Energy RatingMost EfficientQualifying ZonesU-FactorMetric U-FactorSHGC
VTCRPanesGlass Pane TypeGlass CoatingLite DivisionsGas Fill