Clear Definition
A double hung window has two vertically sliding sashes. A casement window is hinged on one side and opens outward, usually with a crank.
Introduction
Double hung and casement windows are both common replacement choices, but they solve different problems. Double hung windows open vertically with two sashes. Casement windows swing outward with a crank. The best choice depends on the room, home style, ventilation needs, budget, and maintenance expectations.
Double Hung Windows
Double hung windows are common in traditional homes and work well in many bedrooms, living areas, and front-facing elevations. Many models allow the sashes to tilt inward for cleaning. They are familiar to homeowners and often available in many price and material tiers.
- Good fit for traditional curb appeal and room-by-room replacement.
- Useful where vertical operation is easier than an outward-swinging sash.
- Cleaning and ventilation features vary by model and manufacturer.
Casement Windows
Casement windows open outward and can catch breezes effectively. They may provide a tight seal when closed properly, but the crank hardware and exterior swing should be considered. They can be useful over counters, in modern designs, or where wide ventilation is desired.
- Good fit above sinks, counters, and areas where a crank is easier to use.
- Can provide wide ventilation when exterior clearance is available.
- Hardware maintenance and screen placement should be reviewed before choosing.
Cost and Maintenance Differences
Costs vary by size, material, glass, and installation method. Casement windows can cost more in some product lines because of hardware and operation style. Double hung windows may be simpler to match on traditional homes. Maintenance depends on hardware, tracks, seals, and cleaning access.
Homeowner Example
A homeowner replacing front bedroom windows in a colonial-style home may prefer double hung windows for appearance and easy matching. A homeowner replacing a kitchen window over a sink may prefer a casement window because it can be easier to operate and provide more open ventilation.