Understanding the Various Types of Windows and Their Unique Names
- Lion Windows & Doors
- Nov 13
- 3 min read
Windows are more than just openings in walls; they shape the look, feel, and function of a space. Whether you are renovating a home, designing a new building, or simply curious about architecture, knowing the different types of windows and their names helps you make informed choices. This guide breaks down common window styles, explaining their unique features and where they work best.
Double-Hung Windows
Double-hung windows are among the most popular types in homes across the world. They feature two sashes that slide vertically past each other within the frame. This design allows for versatile ventilation: you can open the top sash, bottom sash, or both.
Key features:
Easy to clean, especially modern versions with tilt-in sashes.
Classic look that fits traditional and modern homes.
Good airflow control.
Where to use: Living rooms, bedrooms, kitchens.
Single-Hung Windows
Single-hung windows look similar to double-hung but only the bottom sash moves. The top sash remains fixed. This style is often more affordable and simpler in design.
Key features:
Less expensive than double-hung.
Limited ventilation compared to double-hung.
Easier to maintain due to fewer moving parts.
Where to use: Areas where ventilation is less critical, such as hallways or basements.
Casement Windows
Casement windows are hinged on one side and open outward like a door, usually operated with a crank. They provide excellent ventilation and clear views because they have no sash in the middle.
Key features:
Opens fully for maximum airflow.
Tight seal when closed, improving energy efficiency.
Easy to operate with a crank handle.
Where to use: Kitchens, bathrooms, and places where you want unobstructed views.
Awning Windows
Awning windows are hinged at the top and open outward from the bottom. Their design allows air to flow in even during light rain, as the open window acts like a small awning.
Key features:
Good for ventilation during rain.
Often placed higher on walls for privacy.
Can be combined with other window types for design variety.
Where to use: Bathrooms, basements, or above doors.
Sliding Windows
Sliding windows have one or more sashes that slide horizontally within the frame. They are easy to operate and provide wide views.
Key features:
Smooth horizontal operation.
Large glass area for natural light.
Minimal maintenance due to simple mechanism.
Where to use: Modern homes, rooms with wide openings like living rooms.
Bay and Bow Windows
Bay and bow windows extend outward from the wall, creating a small nook inside. Bay windows typically have three panels with a larger center window flanked by two smaller ones. Bow windows have four or more panels forming a gentle curve.
Key features:
Adds space and architectural interest.
Provides panoramic views.
Allows more natural light.
Where to use: Living rooms, dining areas, or any room where you want to create a cozy seating area.
Picture Windows
Picture windows are large fixed windows that do not open. Their main purpose is to frame a view and let in light.
Key features:
No ventilation.
Large glass area for unobstructed views.
Often used in combination with operable windows.
Where to use: Rooms with scenic views, such as living rooms or sunrooms.
Hopper Windows
Hopper windows are the opposite of awning windows. They are hinged at the bottom and open inward from the top. This style is common in basements.
Key features:
Good for ventilation in small spaces.
Opens inward, which can be convenient for cleaning.
Provides security when partially open.
Where to use: Basements, bathrooms, or small rooms.
Garden Windows
Garden windows project outward like bay windows but are smaller and designed to create a mini greenhouse effect. They usually have glass on three sides and a sloped glass roof.
Key features:
Ideal for growing plants indoors.
Adds natural light and charm.
Often found in kitchens.
Where to use: Kitchens or sunrooms.
Skylight Windows
Skylights are windows installed in the roof or ceiling. They bring natural light into spaces that might not have wall windows.
Key features:
Brightens dark rooms.
Can be fixed or operable.
Adds architectural interest.
Where to use: Bathrooms, hallways, attics, or any room needing extra light.
Transom Windows
Transom windows are small windows placed above doors or other windows. They can be fixed or operable and add light and ventilation.
Key features:
Adds decorative detail.
Improves airflow.
Often used in traditional or historic homes.
Where to use: Above doors, in hallways, or above larger windows.
Jalousie Windows
Jalousie windows consist of horizontal glass slats that open and close like blinds. They provide excellent ventilation but less security and insulation.
Key features:
Great airflow control.
Retro or tropical look.
Not ideal for cold climates.
Where to use: Sunrooms, porches, or warm climates.
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