Aluminum Swing Window vs. Casement Window: What’s the Difference?

When planning a new build or renovation project, choosing the right window style is crucial for both function and design. Two of the most commonly confused types are the aluminum swing window and the aluminum casement window. While they may look similar, their structure and operation can significantly impact your space.

In this article, we’ll break down the key differences between aluminum swing and casement windows to help you make the best choice for your project.

What Is an Aluminum Swing Window?

An aluminum swing window refers to any window that opens on a hinge—either inward or outward—by swinging open like a door. Swing windows can open vertically or horizontally, and are often chosen for their simplicity and ease of operation.

They are typically operated by a handle and can open either inward (inside swing) or outward (outside swing), depending on the installation preference. Aluminum frames add a clean, modern look and provide strength, durability, and resistance to corrosion.

What Is an Aluminum Casement Window?

An aluminum casement window is technically a type of swing window, but the term “casement” usually refers to side-hinged windows that open outward with the help of a crank or handle. They open like a door and are hinged at the side, offering excellent ventilation and full top-to-bottom airflow.

Casement windows are tightly sealed when closed, making them one of the most energy-efficient window styles available.

Key Differences Between Swing and Casement Windows

Feature	Aluminum Swing Window	Aluminum Casement Window
Hinge Position	Hinges may be at side, top, or bottom	Hinges always on the side
Opening Style	Swings inward or outward, by push or pull	Swings outward, often operated by a crank
Operation Method	Manual push/pull or handle	Typically crank handle
Ventilation	Good ventilation	Excellent, maximum ventilation
Common Use	Bathrooms, stairwells, basements	Living rooms, kitchens, bedrooms
Sealing Performance	Good	Very tight seal – high energy efficiency
Design Flexibility	More diverse configurations	More limited but better for large glass panels

Which One Should You Choose?

Choose a swing window if:

You prefer an inward-opening design for easier cleaning or safety on upper floors.
You’re looking for a cost-effective, manually operated window without crank mechanisms.
Your project includes smaller spaces or utility areas like bathrooms or stairwells.

Choose a casement window if:

You want excellent ventilation and airtight sealing.
You’re aiming for a modern, energy-efficient design.
You prefer a sleek look with uninterrupted views through large glass panels.

Custom Aluminum Windows by Delanshini

At Delanshini Doors and Windows, we specialize in manufacturing high-quality aluminum swing windows and aluminum casement windows that meet the demands of both residential and commercial clients. Whether you’re seeking energy-efficient performance, elegant design, or full customization for your brand, our OEM/ODM services are here to support your goals.

We offer: