Energy Performance

For more information about ENERGY STAR® climate zones and criteria for both the USA and Canada, 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.

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SeriesProductModelClimate ZoneMin Energy RatingMost EfficientU-FactorMetric U-FactorEnergy StarSHGCCanada Most EfficientGreenON
VTCRPanesGlass Pane TypeGlass CoatingLite DivisionsGas Fill