Redirect direct sunlight with the louvres
Shutters can reduce distracting light and redirect sunlight away from worktops, televisions or seating areas. The effect depends on the window’s orientation and louvre position.
Realistic expectations for heat control
Interior shutters can slow and redirect solar heat gain, but they do not replace external solar shading when maximum heat reduction is the main objective.
Choose your colour and louvre size carefully
Lighter colours create a calm look, while larger louvres provide a more open view when direct sunlight is not entering the room.
Short answer
The essentials at a glance
Shutters offer precise control over light and privacy and can improve comfort around the window. However, they do not replace structural insulation, complete blackout or external solar shading.
Practical: Think of shutters as a precise way to control light and privacy. Structural insulation, ventilation and complete blackout each require their own solution.
The choices that make the difference
Four points to assess before requesting a quotation
Window orientation
South- and west-facing façades require different solar control from north-facing windows.
Louvre position
The angle determines how much direct light, outlook and privacy there is.
Glazing and draught-proofing
The improvement in comfort also depends on the glazing, window frame and ventilation.
Use according to the time of day
A different position may be appropriate during the day, in the evening and when you are away.
Avoid disappointment
Common mistakes when buying shutters
- Making promises about building performance without measuring
- Using the same louvre position on every window
- Blocking ventilation completely
From idea to installation
How a carefully managed made-to-measure process works
- Collect photos and approximate measurements of the windows.
- Compare material, colour, louvre size and operation.
- Have every window professionally measured at multiple points.
- Confirm the panel layout, technical details, price and schedule.
- Have your shutters installed, adjusted and explained to you.
In practice
See how these choices work in real homes
The projects below were measured and installed by DeVo. You can see real colours, window shapes and technical solutions.
Frequently asked questions
Is the same solution suitable for every window or room?
No. Light and heat can be controlled with adjustable louvres. The window type, dimensions, installation position, material load and daily use are assessed for each situation.
What does DeVo check during the professional site survey?
We take measurements at multiple points and check the frame, reveal, handles, opening direction, windowsill, available panel clearance, and the desired louvre and panel configuration, among other details.
How do louvre size and panel configuration affect the result?
They determine how many lines you see, how open the view through is and how practically the panels can open. The proportions in relation to the window matter more than one standard size.
Can I compare materials, colours and operating options first?
Yes. During your consultation and in the Oud-Turnhout showroom, you can compare current collections, colour samples, louvre sizes and operating options side by side.
Are measuring and installation included in the process?
Yes. DeVo guides the project from advice and technical measuring through to made-to-measure production, installation, adjustment and guidance on use and care.