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The EnergyCore 180 double-hung window offers the industry's best combination of energy efficiency and structural performance. Additional features the include a hybrid sloped sill, tilt-in sashes, quadruple weatherstripping, and interlock at the center rail make our EC180 window the ideal solution for any new home construction or renovation and replacement project.
PLEASE NOTE: This product is scheduled to be discontinued Friday, March 27, 2020.
Energy Star ®
The EnergyCore 150 single-hung window combines traditional style with unparalleled energy efficiency...
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