Why choose single-hung window?
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Classic American style
A familiar American window design that fits naturally into traditional and contemporary residential architecture.
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Space-saving ventilation
The operable lower sash provides ventilation without projecting into the room, making it easy to use with blinds, shades, and curtains.
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Low-maintenance design
A simple operating system with fewer moving components makes it easy to maintain.
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Cost-effective
A practical and economical window solution for projects where reliable performance and budget value matter.
Options to match your project
1. Frame colors
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White
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Black
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Interior white
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Exterior black
2. Grid options
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No grids
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Grids
(grids between glass)
3. Insect screen
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No screen
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Half screen
Performance at a glance
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U Factor (Btu/hft²°F)
0.27 - 0.31
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SHGC
0.17 - 0.45
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VT
0.33 - 0.60
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Air Leakage (cfm/ft²)
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Verified through NFRC certification
Our products are tested and certified to NFRC standards for the U.S. market.