Gentek windows deliver the energy efficiency, beauty and durability that today's homeowners demand. Incorporating true warm-edge technology, heavy-duty frame construction, a highly durable balance system and insulating glass features, our windows consistently meet or exceed nationally recognized and accepted American Architectural Manufacturers Association (AAMA) test standards and criteria. Choose the BarrierXP® insulated glass package (Guardian Acclimate™ RLE glass with argon gas and the PPG Intercept™ Warm Edge Spacer System) to achieve the ENERGY STAR® program rating for all U.S. climate zones.
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