Different Types of Home Windows Explained

Brennan Enterprises provides comprehensive overview of the different types of windows available for your home including, single and double hung, awning, bow, arch, casement, garden, egress and many many more.

18 Types of Windows Explained: Choosing the Right Style for Your Home

If you're planning a window replacement project, choosing the right type of window is one of the most important decisions you'll make.

Here’s a breakdown of the most common window types and how they function so you can find the best fit for your home.

Single-Hung vs Double-Hung Windows

Single-hung windows – The bottom sash moves up and down while the top remains fixed

Double-hung windows – Both the top and bottom sashes move, making them easier to clean and more versatile

Awning Windows

Awning windows open outward and are typically short and wide.

They are commonly used in bathrooms, stairwells, or areas where ventilation is needed without taking up much space.

Bay vs Bow Windows

Bay windows – Usually consist of three windows extending outward

Bow windows – Form a curved shape using multiple window panels

Both styles extend beyond the home’s exterior, adding space and natural light.

Arched Windows

Arched windows come in various shapes like gothic, eyebrow, and elliptical designs.

They add architectural appeal but are often more expensive and limited in material options.

Casement Windows

Casement windows open outward on hinges and provide excellent energy efficiency.

They offer large glass areas with minimal framing but are limited in size due to hardware constraints.

Garden Windows

Garden windows extend outward and are often used in kitchens.

They function like a small greenhouse, providing space for plants and additional light.

Glass Block Windows

Once popular for privacy, glass block windows are now less common.

Modern alternatives offer similar privacy with better aesthetics and performance.

Egress Windows

Egress windows are required by code in bedrooms for safety.

They must be large enough to allow emergency escape and entry for first responders.

Jalousie Windows

These windows feature horizontal slats that open and close like blinds.

They are more common in coastal areas and are not typically used for energy efficiency.

Picture (Fixed) Windows

Picture windows do not open and are designed to maximize natural light.

They are often more affordable and allow for larger glass areas.

Round and Specialty Windows

Round, half-circle, and custom-shaped windows add unique design elements.

They are often used for aesthetic purposes rather than ventilation.

Storm Windows

Storm windows were once used to improve insulation.

Today, they are less common due to advancements in modern window technology.

Skylights

Skylights bring natural light into spaces from above.

They require proper installation and waterproofing to avoid long-term issues.

Transom and Sidelight Windows

Transom windows – Installed above doors or windows for added light

Sidelights – Vertical windows on either side of a door

Both are primarily decorative but help brighten interior spaces.

Final Thoughts

Choosing the right window type depends on your goals for ventilation, aesthetics, energy efficiency, and budget.

Understanding your options helps ensure you make the best decision for your home and long-term comfort.

FAQ: Types of Windows

What is the most common type of window?

Single-hung and double-hung windows are the most common in residential homes.

What type of window is most energy efficient?

Casement windows are among the most energy efficient due to their tight seal when closed.

What windows are best for natural light?

Picture windows and large fixed windows provide the most natural light due to minimal framing.

Do all bedrooms need egress windows?

Yes. Building codes require egress windows in bedrooms for safety and emergency escape.

Are specialty windows more expensive?

Yes. Custom shapes like arched or round windows typically cost more due to design and manufacturing complexity.

If you are still narrowing down window styles, continue with five common window questions and 7 benefits of replacing your windows. For a specialized performance topic, see the best windows for soundproofing.