Light Guide - Conducts daylight over several floors

A light guide channel for interior, enclosed rooms. Diffuse light is sufficient to ensure that there is always daylight during the day.

Daylight system for more daylight over several floors - Light Guide

Daylight solution for diffuse light distribution in the room

Light guides enable the distribution of natural daylight throughout different areas of a building. They are particularly well-suited for deep rooms, interior spaces, or parts of a building where natural light is limited. At the same time, they can help even out significant differences in brightness and create a more harmonious light distribution within the room.

Even diffuse daylight on an overcast day is sufficient for the system to function. Direct sunlight can further enhance the lighting effect, but is not strictly necessary. This allows light guides to be used flexibly in a variety of building settings.

Daylight is captured on the facade or roof using special devices and efficiently transported several meters via hollow light guides to where it is needed. This allows natural light to be directed specifically to areas that are difficult or impossible to reach with traditional window solutions.

Daylight is directed in a targeted manner using special light-deflection modules. These modules can also be arranged in series to provide daylight to multiple zones or sections of a room. This allows not only the amount of light to be controlled, but also the quality of light to be adapted to the specific use and desired ambiance of the space.

By choosing different diffusers, a variety of lighting atmospheres can be created—ranging from evenly diffused, soft daylight to targeted lighting accents on walls or ceilings. In this way, Light Guides combine technical daylighting with architectural design.

Advantages of the Light Guide's

Diffused daylight is sufficient—direct sunlight is not required
Cross-zone daylighting – vertically and horizontally within the building
natural lighting in interior core areas
Harmonious contrast balancing in deep rooms and rooms with great depth
potential reduction in construction costs for large buildings, as fewer or no atriums may be required
more usable space in office and commercial buildings due to the potential elimination of traditional atriums
Enhancing the room's ambiance with natural daylight and optional highlights of sunlight on walls or ceilings
can also be used as a central lighting solution after dark

References

Light Guide in historic residential building

Light Guide Supplies several floors with daylight

Problem:
There was very little natural light on the upper floor and in the center of the house. One reason for this was the traditional Bernese hipped roof with a deep overhang, which severely restricted the amount of natural light entering the building.

Concept and solution by Heliobus®:
Heliobus® developed a custom daylighting concept in which natural sunlight and daylight are captured through a south-facing roof opening. From there, the light is directed through a vertical, mirrored shaft from the attic to the upper floor and on down to the ground floor.

Strategically placed light sources provide natural daylight and direct sunlight to a total of four different rooms. This ensures that light is directed precisely where it is needed in the building—including areas that are difficult to reach with traditional window solutions.

Customizable light control:
Motorized light control allows users to flexibly adjust the distribution of natural light. For example, maximum natural light can be directed into a specific room, while less-used rooms remain dimmed accordingly.

The project demonstrates how well-designed Daylight Engineering can provide natural light to Daylight Engineering floors of a building and sustainably improve indoor environmental quality.

Projects by Heliobus®: Design, production, and implementation
Client: Private