ENERGY STAR Windows, Report No.2

The Northwest Energy Efficiency Alliance’s Evaluation of the ENERGY STAR® Residential Fenestration Program (the Program) uses the marketing potential of ENERGY STAR labeling and certification to aid in transforming the Northwest window energy efficiency market.1 The program’s goal is to build an infrastructure to increase market share by working in partnership with window product manufacturers, wholesaler/distributors, retail suppliers, and builders. 

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