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What Is a Double-Hung Window?

CLERA WINDOWS + DOORS · VINYL WINDOWS GUIDE

What Is a Double-Hung Window?

A double-hung window is a window with two sashes — an upper and a lower — that both slide vertically within the frame. This allows you to open either the top, the bottom, or both at the same time for flexible ventilation control.

Double-hung windows are a classic style that suits a wide range of home designs, from traditional to contemporary. They are commonly used in bedrooms and living areas where exterior access and cleaning ease are priorities.

Key Advantages of Double-Hung Windows

  • Flexible ventilation — open top, bottom, or both sashes independently
  • Easy cleaning — both sashes typically tilt inward for cleaning from inside the home
  • Classic aesthetic — suits traditional, colonial, and transitional home designs
  • Wide availability — one of the most common window styles; easy to source replacement parts

Double-Hung vs. Casement: Which Is Better?

Compared to casement windows, double-hung windows offer slightly less airtightness because the sash slides rather than compresses against the frame. However, modern weatherstripping and multi-point locks have significantly improved their energy performance. The right choice depends on your priorities — casements for maximum energy performance, double-hung for versatility and classic aesthetics.

Why Clera? Clera double-hung windows feature tilt-in sashes with easy-glide hardware and are available in a range of frame colours and glass packages.

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Vinyl Windows & Patio Doors Guide
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