OKNA Double-Hung Vinyl Window – 39 ½" x 57 ¼"

Description :
This high-efficiency OKNA Windows & Doors unit is a vinyl double-hung window measuring 39 ½ inches wide by 57 ¼ inches high, featuring Guardian ClimaGuard® Low-E coated insulated glass. It arrives in its original packaging, unused and factory-sealed, with complete installation instructions and energy certification labels intact. The window’s foam-filled frame and argon-filled dual-pane glass enhance insulation, while its tilt-in sash design allows for easy cleaning and maintenance. Certified ENERGY STAR® compliant, it meets modern residential standards for thermal performance and air tightness, with a U-Factor of 0.27, SHGC of 0.29, and visible transmittance of 0.53. Perfect for replacement or new construction applications where durability and efficiency are key.

Era
Contemporary (21st Century)

Style
Modern Residential / Energy-Efficient Design

Technique
Vinyl extrusion with precision mitered welds; dual-pane insulated Low-E glass filled with argon gas for maximum thermal efficiency.

Tools Used
Heat welding extruder, glazing press, pneumatic frame clamp, sealant applicator, and low-pressure argon fill system.

History
New old stock window sourced from surplus building materials. Never installed and preserved in factory wrap.

Manufacturer / Maker
OKNA Windows & Doors, Bristol, Pennsylvania Glass: Guardian Glass – ClimaGuard® Low-E series.

Measurements
39 ½" W x 57 ¼" H x 4 ½" D

Suggested Weight
Approx. 55–65 lbs.

Suggested Shipping Package Dimension
45" W x 63" H x 7" D (boxed and padded).

Item Number : P14953

Category : Double Hung Window

Brand : OKNA Windows & Doors, Bristol, Pennsylvania