What Are Clerestory Windows and When Should You Use Them?

Following our recent article on transom windows, we now turn to another classic feature for adding natural light: the clerestory window. These high-placed windows are a stylish solution for modern homes, but they are often compared to skylights.

This article will walk through the key differences between them to help you decide which is right for your project. We will also explain how OKNOPLAST’s custom manufacturing can deliver either option with high performance.

1. What are clerestory windows?
2. Benefits of clerestory windows in modern homes
3. Where to use clerestory windows
4. Clerestory windows vs. skylights: which is right for you?
5. Custom windows made easy with OKNOPLAST
6. FAQ

What are clerestory windows?

Clerestory windows are a row of windows placed high on a wall, typically just below the roofline or ceiling. They are often installed above eye level to let in light while preserving privacy and usable wall space.

Modern clerestory windows are commonly used in new homes, additions, and retrofit projects where natural light, ventilation, and architectural interest are priorities. Whether placed above a living room ceiling or layered over a patio door, they serve as quiet design statements that add both form and function.

Benefits of clerestory windows in modern homes

While clerestory windows are growing in popularity for their distinctive look, many homeowners wonder if the investment is worthwhile for their specific project. To help answer that, it’s useful to look at the concrete benefits they provide and the design challenges they solve.

Natural light with lower energy bills
Placed high on a wall, clerestory windows let sunlight reach deep into interior spaces such as kitchens, hallways, or vaulted living rooms. This natural daylight reduces the need for artificial lighting, cutting electricity use and improving comfort. When positioned on south-facing walls, they can also provide passive solar heat during cooler months.

Ventilation and indoor comfort
When operable, clerestory windows help regulate indoor temperatures by promoting stack ventilation. As hot air rises, it escapes through the high windows, pulling in cooler air through lower openings. This creates a natural breeze and reduces the need for constant air conditioning, especially in open-plan or double-height rooms.

Privacy with abundant light
Because they sit above eye level, clerestory windows let in daylight while keeping living spaces private. This makes them ideal for bathrooms, bedrooms, or urban homes where close neighbors are a concern. You also keep your walls free for shelving, artwork, or cabinets.

Architectural interest that elevates your space
Clerestory windows add a refined, modern look to any room. They work especially well with angled or vaulted ceilings, drawing the eye upward and creating a sense of height and spaciousness. When used in series, they form a clean, geometric, and contemporary design element.

Where to use clerestory windows

One of the biggest advantages of clerestory windows is their flexibility. They work beautifully in a wide range of rooms, especially where you need to balance natural light with privacy and usable wall space.

Here are some of the best applications:

• Bathrooms: They provide excellent natural light above showers or vanities while maintaining complete privacy and helping to vent moisture.
• Bedrooms: Clerestory windows allow soft, indirect morning light to enter a room without sacrificing privacy from street-level views.
• Kitchens: These windows are perfect for bringing sunlight in above cabinets and appliances, freeing up lower wall space for storage.
• Living Rooms and Hallways: In rooms with tall ceilings or interior walls, they can flood the space with light from above, creating a sense of openness.
• Lofts and Compact Homes: When every square foot matters, they offer a space-saving solution for light and airflow while keeping walls free for furniture or art.

While clerestory windows are a versatile solution for vertical walls, homeowners seeking overhead lighting often ask how they compare to skylights. Let’s explore that common comparison next.

Windows MIRU EVO Standard

Windows MIRU EVO Steel

Clerestory windows vs. skylights: which is right for you?

Both clerestory windows and skylights are excellent for bringing more natural light into your home, but they do so in different ways and come with distinct trade-offs.

• Light Quality and Comfort: Clerestory windows provide soft, indirect light that disperses evenly, avoiding the harsh glare and heat buildup that can come from direct overhead sunlight. Skylights deliver more intense, direct light, which can be dramatic but may also create hot spots.
• Privacy and Wall Space: Clerestory windows excel at maintaining privacy, as they are placed above eye level. They also keep your valuable wall space free for art or furniture. Skylights do not offer a privacy benefit.
• Performance and Installation: As vertical windows, clerestories are simpler to install and integrate into a wall’s thermal envelope, reducing the risk of leaks or energy loss. Skylights require cutting into the roof, a more complex and costly process that demands expert waterproofing to prevent future issues with leaks or heat transfer.

While different, they can also work together. In homes aiming for maximum daylight, pairing clerestory windows with thoughtfully placed skylights can create a bright and dynamic space.

Custom windows made easy with OKNOPLAST

Getting clerestory windows right requires precision, and that is where our custom manufacturing process excels. Every window we produce is made to order, allowing architects, builders, and homeowners to design solutions that fit both the space and the vision.

Our process gives you complete control over the final product. You can specify the exact dimensions and configurations, allowing you to match the proportions of your clerestory windows to existing windows or door systems for visual harmony. We also offer advanced glazing options, including double or triple glazing with low-E coatings, to ensure high thermal efficiency. To complete the look, you can choose from dozens of frame colors and textures, such as black matte, anthracite, or natural wood-look laminates that pair beautifully with modern interiors.

Our clerestory solutions integrate seamlessly with our standard Tilt and Turn windows or patio systems. This enables the easy combination of fixed upper lights with functional lower units, resulting in a streamlined aesthetic, improved daylight distribution, and airtight performance within a single, unified system. Our custom approach empowers you to achieve your design goals for privacy, natural light, and energy savings.

Ready to explore custom clerestory options for your home? Find a local OKNOPLAST dealer today to discuss your project.