Ventilation control
Upper and lower openings can be adjusted independently.
Double-hung windows allow both the upper and lower sash to move, giving homeowners more control over ventilation.
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Upper and lower openings can be adjusted independently.
Tilt-in sash options can make exterior glass easier to reach from indoors.
Balanced proportions work naturally with many traditional home styles.

With two operating sashes, double-hung windows can release warmer air from above while admitting air below. Many products also include tilt-in features for interior cleaning.
The added operation introduces more hardware, so balance quality, sash alignment, locks, and weather seals are important comparison points.
We compare the details that affect appearance, operation, comfort, maintenance, and installation before a product is ordered.
Tell us what you want to improve, and we will help you compare the right windows or sliding doors for the project.