OKNA DH600DX Vinyl Double-Hung Window – Low-E Argon Glass (22" x 33 ¾" x 4 ¼")

Description :
High-efficiency OKNA DH600DX double-hung vinyl window built with Low-E insulated glass and Argon gas fill for exceptional energy performance. The foam-filled frame enhances thermal insulation, while the fusion-welded corners provide structural integrity and air-tight sealing. With a U-Factor of 0.27 and a Solar Heat Gain Coefficient of 0.29, this model meets Energy Star standards and is NFRC-certified for energy-efficient construction. The vertical slider design allows both sashes to tilt inward for easy cleaning, making it a reliable, low-maintenance choice for modern homes.

Era
Contemporary (2010s–Present)

Style
Modern Residential / Energy Efficient Home Fixture

Technique
Vinyl extrusion with welded corners, dual-pane Low-E Argon glazing, and foam-filled chambers for superior insulation and sound reduction.

Tools Used
Vinyl frame extruder, Argon glass sealer, miter saw, pneumatic press, and weatherproof sealing system.

History
OKNA Windows & Doors, based in Bristol, Pennsylvania, is known for precision-built, energy-efficient vinyl windows that exceed Energy Star standards while maintaining an elegant, modern design.

Manufacturer / Maker
OKNA Windows & Doors – Model DH600DX (NFRC Certified).

Measurements
22" W x 33 ¾" H x 4 ¼" D

Suggested Weight
Approx. 30–35 lbs

Suggested Shipping Package Dimension
28" W x 40" H x 8" D

Item Number : P14886

Category : Double Hung Window

Brand : OKNA Windows & Doors – Model DH600DX