Casement vs. Double-Hung Windows
Casement windows crank open outward on a hinge, while double-hung windows slide vertically — both are common styles with different ventilation and maintenance tradeoffs.
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Casement Windows
Hinged windows that crank open outward, providing a full-window opening for ventilation.
- Opens fully for maximum airflow
- Tends to seal tighter, improving energy efficiency
- Easier to operate for some users than lifting a sash
- Crank mechanisms can wear out over time
- Exterior screens are on the inside, which some find less convenient
Double-Hung Windows
Traditional windows with two vertically sliding sashes, one of the most common styles in U.S. homes.
- Familiar, classic look that suits most home styles
- Many models tilt in for easier cleaning from inside
- Wide availability across price points and brands
- Typically only opens half the window area at once for ventilation
- Can be less airtight than casement windows over time
Which one makes sense for you?
Double-hung windows are the familiar, versatile default that suits most home styles. Casement windows cost a bit more in some product lines but offer fuller ventilation and a tighter seal.
Key cost factors.
- Desired ventilation and airflow
- Ease-of-cleaning preferences
- Architectural style of the home
- Local climate and wind exposure
Before you decide.
- How does each style perform for airflow in this specific room?
- Do these tilt in for cleaning, or need to be cleaned from outside?
- What's the warranty on the operating hardware (cranks or sash balances)?
Frequently asked questions.
Which style is more energy-efficient?
Casement windows often seal more tightly when closed since the sash compresses against the frame, which can give them a slight energy-efficiency edge over double-hung windows.
All figures on this page are illustrative examples for general education, not quotes, appraisals, or guarantees of actual pricing. Actual costs vary by provider, location, project scope, and market conditions — always get a specific quote before making a purchasing decision.
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