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Single-Hung Windows

A single-hung window is a classic and versatile window style that features two sashes, with the upper sash fixed in place and the lower sash operable. Unlike double-hung windows, only the bottom sash of a single-hung window moves, sliding vertically to allow fresh air into your home. This design not only enhances energy efficiency by reducing air leakage but also offers a more affordable option for homeowners looking to upgrade their windows.

Single-hung windows are ideal for spaces where exterior clearance is limited, such as near walkways, patios, or tight spaces, as the operable sash does not protrude outward. Additionally, their timeless appearance complements a wide range of architectural styles, making them a popular choice for both traditional and modern homes.

Whether you’re replacing old windows or installing new ones, single-hung windows provide a balance of functionality, durability, and aesthetic appeal.

​Benefits of New
Single-Hung Windows

  • Energy Efficiency: Modern single-hung windows are designed with advanced insulation features, including double or triple glazing, low-E coatings, and gas fills between panes. These improvements help reduce heat transfer, lower energy bills, and maintain a comfortable indoor temperature year-round.

  • Cost-Effective: Single-hung windows are typically more affordable than double-hung or other window types. Their simpler design and fewer moving parts make them a cost-effective option for both new installations and replacements.

  • Low Maintenance: With only one operable sash, single-hung windows have fewer components that can wear out over time. This makes them easier to maintain and less prone to mechanical issues.

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Single-Hung
Window
Components 
You Need to 
Know

Sash

  • Upper Sash (Fixed Pane): The top portion of the window that is fixed in place and does not open.

  • Lower Sash (Operable Pane): The bottom portion of the window that can be moved vertically to open or close.

Glass

  • Glazing (Glass): The glass panes within the sashes, which can be single, double, or triple glazed for enhanced energy efficiency. OneSource offers high-performance glass packages with Low-E coatings and Argon gas for superior insulation.

Screens

  • All our products feature low-maintenance fiberglass mesh screens that are durable, damage-resistant, and offer a polished appearance.

Hardware

  • Sash Lock: A locking mechanism that secures the upper and lower sashes together when the window is closed.

  • Tilt Latches: Mechanisms that allow the sashes to tilt inward for easy cleaning from inside the home.

Frame

  • Weatherstripping: Seals placed around the edges of the sash and frame to prevent drafts, moisture, and dust from entering. 

  • Sill: The bottom horizontal part of the window frame that supports the sashes and directs water away from the window.

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Naomi Watts

Women posted for profile photo.
OneSource was so competent though, it was worthwhile, and fairly painless. They kept all their commitments. They followed up regularly. I always knew the status of my order. The price was fair and it was overall, a really nice and super competent team. The new sliding doors are wonderful! Such an improvement!
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