Combination Windows

Combination windows, also known as dual or hybrid windows, are a type of window that combines two or more different window styles or functions in one unit. For example, a combination window may feature a fixed picture window alongside a sliding or double-hung window for ventilation. Combination windows provide greater versatility and customization options, allowing homeowners to optimize their window design for their specific needs and preferences.

They also promote energy efficiency and noise reduction by combining different materials, such as wood and vinyl, or incorporating insulated glass. Combination windows remain relevant today as they offer enhanced functionality, aesthetic appeal, and performance for modern homes and buildings.

The history of combination windows can be traced back to the development of multi-pane windows in the 18th century, which allowed for improved insulation and energy efficiency. As windows evolved, designers began to incorporate multiple window styles into a single unit, combining fixed and operable windows to enhance ventilation, light, and aesthetics. Today, combination windows continue to evolve, incorporating innovative features and materials for improved performance and sustainability.

What types of windows are commonly combined?

The types of windows that are typically combined depend on the desired functionality and aesthetics of the window unit. Common combinations include double-hung and casement windows, picture windows and awning windows, sliding windows and fixed windows, and more. Different window types can offer various benefits, such as ventilation, natural light, and unobstructed views, when combined.

Can you mix double-hung and casement windows?

Yes, it is possible to mix double-hung and casement windows in a combination window unit. The type and arrangement of the windows depend on the desired functionality, aesthetics, and building codes. A mix of double-hung and casement windows can provide greater ventilation, natural light, and flexibility for homeowners.

What is window mulling?

Window mulling refers to the process of joining two or more windows together to create a larger window opening or a window unit. Mulling is commonly used to create expansive views, maximize natural light, or meet specific architectural and design requirements. Mulling can be accomplished by joining the frames of adjacent windows with screws, adhesives, or specialized hardware, providing a seamless and secure connection between windows.

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Combination Windows Guides
Browse through our curated Combination Windows Guides for additional categorizations, tips, details, variations, styles, and histories of Combination Windows. Guides provide additional insights into the unique properties and shared relationships between elements.

Combination Windows

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5’4”-9’4” | 1.62-2.84 m
2’2”-5’2” | .66-1.57 m
5” | 12.7 cm
Combo Windows - 1-Wide, Arch Head
284.000
157.000
12.700
155
https://p3d.in/e/ut8xV
GUIDE
3D
Combo Windows - 1-Wide, Arch Head3D model of 1-Wide Arch Head Combination Windows viewed in perspective3D model of 1-Wide Arch Head Combination Windows viewed in perspective
4’4”-9’10” | 1.32-3 m
2’2”-5’2” | .66-1.57 m
5” | 12.7 cm
Combo Windows - 1-Wide, Half Circle
300.000
157.000
12.700
400
https://p3d.in/e/nd80Z
GUIDE
3D
Combo Windows - 1-Wide, Half CircleView of 1-Wide Half Circle Combination Windows in 3D available for downloadView of 1-Wide Half Circle Combination Windows in 3D available for download
5’4”-11’4” | 1.62-3.45 m
2’2”-4’2” | .66-1.27 m
5” | 12.7 cm
Combo Windows - 1-Wide, Quarter Circle
345.000
127.000
12.700
150
https://p3d.in/e/W5jej
GUIDE
3D
Combo Windows - 1-Wide, Quarter CirclePerspective view of a 3D model of 1-Wide, Quarter Circle Combination WindowsPerspective view of a 3D model of 1-Wide, Quarter Circle Combination Windows
5’4”-9’4” | 1.62-2.84 m
2’2”-4’2” | .66-1.27 m
5” | 12.7 cm
Combo Windows - 1-Wide, Transom
284.000
127.000
12.700
16150
https://p3d.in/e/duWTn
GUIDE
3D
Combo Windows - 1-Wide, Transom3D model of 1-Wide Transom Combination Windows viewed in perspective3D model of 1-Wide Transom Combination Windows viewed in perspective
3’2”-7’2” | .97-2.18 m
4’4”-8’4” | 1.32-2.54 m
5” | 12.7 cm
Combo Windows - 2-Wide
218.000
254.000
12.700
150
https://p3d.in/e/QWAfZ
GUIDE
3D
Combo Windows - 2-WidePerspective view of a 3D model of 2-Wide Combination WindowsPerspective view of a 3D model of 2-Wide Combination Windows
6’4”-11’4” | 1.93-3.45 m
4’2”-8’2” | 1.27-2.49 m
5” | 12.7 cm
Combo Windows - 2-Wide, Arch Head
345.000
249.000
12.700
155
https://p3d.in/e/dilHq
GUIDE
3D
Combo Windows - 2-Wide, Arch HeadView of  2-Wide Arch Head Combination Windows in 3D available for downloadView of  2-Wide Arch Head Combination Windows in 3D available for download
5’4”-11’4” | 1.62-3.45 m
4’2”-8’2” | 1.27-2.49 m
5” | 12.7 cm
Combo Windows - 2-Wide, Half Circle
345.000
249.000
12.700
400
https://p3d.in/e/W09kg
GUIDE
3D
Combo Windows - 2-Wide, Half Circle3D model of 2-Wide Half Circle Combination Windows viewed in perspective3D model of 2-Wide Half Circle Combination Windows viewed in perspective
5’4”-10’4” | 1.62-3.15 m
4’2”-8’2” | 1.27-2.49 m
5” | 12.7 cm
Combo Windows - 2-Wide, Transom
315.000
249.000
12.700
16150
https://p3d.in/e/EiruG
GUIDE
3D
Combo Windows - 2-Wide, TransomView of 2-Wide Transom Combination Windows in 3D available for downloadView of 2-Wide Transom Combination Windows in 3D available for download
5’4”-9’4” | 1.62-2.84 m
4’2”-8’2” | 1.27-2.49 m
5” | 12.7 cm
Combo Windows - 2-Wide, Transom, Split
284.000
249.000
12.700
16150
https://p3d.in/e/5RbYd
GUIDE
3D
Combo Windows - 2-Wide, Transom, SplitPerspective view of a 3D model of  2-Wide Split Transom Combination WindowsPerspective view of a 3D model of  2-Wide Split Transom Combination Windows
3’2”-7’2” | .97-2.18 m
6’6”-12’6” | 1.98-3.81 m
5” | 12.7 cm
Combo Windows - 3-Wide
218.000
381.000
12.700
150
https://p3d.in/e/rkUtO
GUIDE
3D
Combo Windows - 3-Wide3D model of 3-Wide Combination Windows viewed in perspective3D model of 3-Wide Combination Windows viewed in perspective
4’4”-9’4” | 1.32-2.84 m
6’6”-12’6” | 1.98-3.81 m
5” | 12.7 cm
Combo Windows - 3-Wide, Half Circle
284.000
381.000
12.700
400
https://p3d.in/e/0RHzi
GUIDE
3D
Combo Windows - 3-Wide, Half CirclePerspective view of a 3D model of 3-Wide Half Circle Combination WindowsPerspective view of a 3D model of 3-Wide Half Circle Combination Windows
5’4”-10’4” | 1.62-3.15 m
6’6”-12’6” | 1.98-3.81 m
5” | 12.7 cm
Combo Windows - 3-Wide, Transom
315.000
381.000
12.700
16150
https://p3d.in/e/xbK4K
GUIDE
3D
Combo Windows - 3-Wide, Transom3D model of 3-Wide Transom Combination Windows viewed in perspective3D model of 3-Wide Transom Combination Windows viewed in perspective
5’4”-9’4” | 1.62-2.84 m
6’6”-12’6” | 1.98-3.81 m
5” | 12.7 cm
Combo Windows - 3-Wide, Transom, Split
284.000
381.000
12.700
16150
https://p3d.in/e/KJJTd
GUIDE
3D
Combo Windows - 3-Wide, Transom, SplitView of 3-Wide Split Transom Combination Windows in 3D available for downloadView of 3-Wide Split Transom Combination Windows in 3D available for download
3’2”-7’2” | .97-2.18 m
7’6”-16’6” | 2.29-5.03 m
5” | 12.7 cm
Combo Windows - 3-Wide, Unequal
218.000
503.000
12.700
150
https://p3d.in/e/0qqxu
GUIDE
3D
Combo Windows - 3-Wide, UnequalView of 3-Wide Unequal Combination Windows in 3D available for downloadView of 3-Wide Unequal Combination Windows in 3D available for download
3’2”-7’2” | .97-2.18 m
8’8”-16’8” | 2.64-5.08 m
5” | 12.7 cm
Combo Windows - 4-Wide
218.000
508.000
12.700
150
https://p3d.in/e/cGGN7
GUIDE
3D
Combo Windows - 4-WidePerspective view of a 3D model of 4-Wide Combination WindowsPerspective view of a 3D model of 4-Wide Combination Windows
5’4”-9’4” | 1.62-2.84 m
8’8”-16’8” | 2.64-5.08 m
5” | 12.7 cm
Combo Windows - 4-Wide, Transom, Split
284.000
508.000
12.700
16150
https://p3d.in/e/Rc0Az
GUIDE
3D
Combo Windows - 4-Wide, Transom, Split3D model of 4-Wide Split Transom Combination Windows viewed in perspective3D model of 4-Wide Split Transom Combination Windows viewed in perspective
Combination Windows - 3-Wide, Transom
Comparison drawing of 3-Wide Transom Combination Windows compared to the larger size configurations

The 3-Wide Transom combination window is a tasteful design that features three vertical panels in a single horizontal row, topped by a continuous transom gracefully spanning all three panels in the second row. This three-panel-wide layout expertly merges form and function, ensuring a generous influx of natural light and presenting extensive views. The distinct panels allow for customization in glazing and frame materials, adapting to a broad array of architectural styles.

The 3-Wide Transom combination window is a fantastic choice for highlighting a unique design feature or enriching moderately sized spaces, offering both practicality and aesthetic sophistication. This visually appealing window selection amplifies curb appeal and creates an arresting centerpiece, making it an outstanding addition to any home.

3-Wide Transom Combination Windows are available in a range of sizes with overall widths between 6’6”-12’6” (1.98-3.81 m), heights ranging from 5’4”-10’4” (1.62-3.15 m), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of 3-Wide Transom Combination Windows in front, side and top views
The 3-Wide Transom combination window is a tasteful design that features three vertical panels in a single horizontal row, topped by a continuous transom gracefully spanning all three panels in the second row. This three-panel-wide layout expertly merges form and function.

3-Wide Transom Combination Windows are available in a range of sizes with overall widths between 6’6”-12’6” (1.98-3.81 m), heights ranging from 5’4”-10’4” (1.62-3.15 m), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of 3-Wide Transom Combination Windows in front, side and top views
Combination Windows - 3-Wide, Transom
Height:
5’4”-10’4” | 1.62-3.15 m
Width:
6’6”-12’6” | 1.98-3.81 m
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

3-Wide Transom Combination Windows front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Combination Windows - 1-Wide, Quarter Circle
Style and size comparison drawing of 1-Wide, Quarter Circle Combination Windows compared to other size configurations

The 1-Wide Quarter Circle combination window, composed of separate panels, is a distinctive and modern design that pairs a rectangular lower section with a quarter-circle upper section in a one-panel-wide layout. These independent panels create a visually engaging appearance, seamlessly integrating geometric shapes while maximizing natural light.

The separate panel construction allows for customization in terms of glazing and frame materials, catering to various architectural styles. The 1-Wide Quarter Circle combination window is perfect for tight spaces or emphasizing unique design features, offering both function and aesthetic appeal. This striking window option elevates curb appeal and delivers unobstructed views, making it a noteworthy addition to any home.

1-Wide, Quarter Circle Combination Windows are available in a range of sizes with overall widths between 2’2”-4’2” (.66-1.27 m), heights ranging from 5’4”-11’4” (1.62-3.45 m), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of 1-Wide, Quarter Circle Combination Windows viewed from the front, plan, and side
The 1-Wide Quarter Circle combination window, composed of separate panels, is a distinctive and modern design that pairs a rectangular lower section with a quarter-circle upper section in a one-panel-wide layout. These independent panels create a visually engaging appearance.

1-Wide, Quarter Circle Combination Windows are available in a range of sizes with overall widths between 2’2”-4’2” (.66-1.27 m), heights ranging from 5’4”-11’4” (1.62-3.45 m), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of 1-Wide, Quarter Circle Combination Windows viewed from the front, plan, and side
Combination Windows - 1-Wide, Quarter Circle
Height:
5’4”-11’4” | 1.62-3.45 m
Width:
2’2”-4’2” | .66-1.27 m
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

1-Wide, Quarter Circle Combination Windows front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Combination Windows - 3-Wide, Unequal
Scale illustration of 3-Wide Unequal Combination Windows compared to other size configurations

The 3-Wide Unequal combination window is an innovative design that displays three vertical panels in a single horizontal row, featuring a larger central panel flanked by two smaller panels. This three-panel-wide configuration adeptly blends form and function, allowing abundant natural light and offering panoramic views. The individual panels provide customization options for glazing and frame materials, complementing a wide range of architectural styles.

The 3-Wide Unequal combination window is an exceptional choice for creating a striking design element or accentuating moderately sized spaces, delivering both utility and aesthetic charm. This visually engaging window selection boosts curb appeal and generates a dynamic focal point, making it a noteworthy addition to any home.

3-Wide Unequal Combination Windows are available in a range of sizes with overall widths between 7’6”-16’6” (2.29-5.03 m), heights ranging from 3’2”-7’2” (.97-2.18 m), and an overall sill depth of 5” (12.7 cm).

Pair of dimensioned illustrations of 3-Wide Unequal Combination Windows seen in elevation and plan
The 3-Wide Unequal combination window is an innovative design that displays three vertical panels in a single horizontal row, featuring a larger central panel flanked by two smaller panels. This three-panel-wide configuration adeptly blends form and function, allowing abundant natural light.

3-Wide Unequal Combination Windows are available in a range of sizes with overall widths between 7’6”-16’6” (2.29-5.03 m), heights ranging from 3’2”-7’2” (.97-2.18 m), and an overall sill depth of 5” (12.7 cm).

Pair of dimensioned illustrations of 3-Wide Unequal Combination Windows seen in elevation and plan
Combination Windows - 3-Wide, Unequal
Height:
3’2”-7’2” | .97-2.18 m
Width:
7’6”-16’6” | 2.29-5.03 m
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

3-Wide Unequal Combination Windows front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Combination Windows - 3-Wide
Comparison drawing of 3-Wide Combination Windows compared to the larger size configurations

The 3-Wide combination window is an alluring design that consists of a single horizontal row of three vertical panels, producing a visually engaging effect. This three-panel-wide layout seamlessly blends form and function, ensuring ample natural light entry and offering extensive views. The individual panels facilitate customization in glazing and frame materials, accommodating a variety of architectural preferences.

The 3-Wide combination window is perfect for moderately sized spaces or introducing a striking design feature, delivering both utility and aesthetic charm. This appealing window option enhances curb appeal and provides unobstructed views, making it a noteworthy addition to any home.

3-Wide Combination Windows are available in a range of sizes with overall widths between 6’6”-12’6” (1.98-3.81 m), heights ranging from 3’2”-7’2” (.97-2.18 m), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of 3-Wide Combination Windows in front, side and top views
The 3-Wide combination window is an alluring design that consists of a single horizontal row of three vertical panels, producing a visually engaging effect. This three-panel-wide layout seamlessly blends form and function, ensuring ample natural light entry and offering extensive views.

3-Wide Combination Windows are available in a range of sizes with overall widths between 6’6”-12’6” (1.98-3.81 m), heights ranging from 3’2”-7’2” (.97-2.18 m), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of 3-Wide Combination Windows in front, side and top views
Combination Windows - 3-Wide
Height:
3’2”-7’2” | .97-2.18 m
Width:
6’6”-12’6” | 1.98-3.81 m
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

3-Wide Combination Windows front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Combination Windows - 3-Wide, Half Circle
Style and size comparison drawing of 3-Wide Half Circle Combination Windows compared to other size configurations

The 3-Wide Half Circle combination window is an inventive design that includes three vertical panels in a single horizontal row, with a central half-circle arch situated above the middle panel in the second row. This three-panel-wide arrangement skillfully integrates form and function, permitting an abundance of natural light and providing expansive views. The individual panels offer customization opportunities in glazing and frame materials, harmonizing with various architectural styles.

The 3-Wide Half Circle combination window is an excellent choice for showcasing a distinctive design element or enhancing moderately sized spaces, delivering both utility and visual elegance. This attention-grabbing window selection heightens curb appeal and establishes a captivating focal point, making it a remarkable addition to any home.

3-Wide Half Circle Combination Windows are available in a range of sizes with overall widths between 6’6”-12’6” (1.98-3.81 m), heights ranging from 4’4”-9’4” (1.32-2.84 m), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of 3-Wide Half Circle Combination Windows viewed from the front, plan, and side
The 3-Wide Half Circle combination window is an inventive design that includes three vertical panels in a single horizontal row, with a central half-circle arch situated above the middle panel in the second row. This three-panel-wide arrangement skillfully integrates form and function.

3-Wide Half Circle Combination Windows are available in a range of sizes with overall widths between 6’6”-12’6” (1.98-3.81 m), heights ranging from 4’4”-9’4” (1.32-2.84 m), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of 3-Wide Half Circle Combination Windows viewed from the front, plan, and side
Combination Windows - 3-Wide, Half Circle
Height:
4’4”-9’4” | 1.32-2.84 m
Width:
6’6”-12’6” | 1.98-3.81 m
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

3-Wide Half Circle Combination Windows front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

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