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What is the Zumtobel vision?
GAG: ‘We want to use light to create worlds of experience, make work easier, improve communications and safety while being fully aware of our responsibility to the environment.’
Ever since the company was founded in 1950 by Dr. Walter Zumtobel, this vision has guided Zumtobel in developing innovative lighting solutions that meet ergonomic and environmental standards and create added aesthetic value.
When energy-use is in question, people often turn to lighting and HVAC as the culprits. How do Zumtobel products deal with this?
GAG: According to the International Energy Agency IEA, an average of 19% of the worldwide requirement of electrical energy is consumed by lighting. Therefore, the contribution of responsible and intelligent use of light is correspondingly high. Light can play a huge role in saving energy resources and reducing CO2 emissions.
We address the issue of climate change in all our projects thanks to our ‘Humanergy Balance’ lighting philosophy. The target is to design lighting solutions that perfectly balance environmental and energy needs with those of the individual.
The right way towards increasing energy efficiency is the intelligent use of light and lighting. The first crucial factor is the lighting concept itself. The second step concerns the quality of luminaires and light sources. The greatest potential for saving energy is provided by the intelligent use of lighting control systems, which can be integrated into all Zumtobel fixtures.

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Can you expand a bit on the concept of ‘Humanergy Balance’?
GAG: On one hand, you have the individual with his or her expectations, needs and feelings. As human beings, we need light for orientation, work and comfort. Like a plant, the individual also seeks light. Yet, there is a great difference between daylight and artificial light. There is also a big difference between a solitary light source and a dynamic lighting composition.
On the other hand, we have to address the issue of energy. Ever since the green movement happened, the issue of saving energy has been loaded with socioeconomic significance. With its concept of Humanergy Balance, Zumtobel is adjusting the equilibrium between human, economic and ecological aspects of light – always with a view to aesthetically sound design.
Light is more than just an energy consumer. The right use of light is oriented on visual requirements, emotions and biological effects. Human Aspects + Energy Efficiency = Humanergy Balance.
How do Zumtobel technicians and designers reconcile the lack of building standards in the Middle East?
GAG: In the Middle East you will actually find a mix of various international standards. The specifications of most of the projects are either realised from the US or Europe, or by international architects and designers located in the region. Therefore most projects are completed according to European or US standards.
How closely do Zumtobel personnel work with architects and engineers to meet design specifications?
GAG: Zumtobel has a long tradition of working closely with architects, lighting designers and electrical consultants who design, prototype, develop and manufacture non-standard fittings.
Many of the luminaires that are now mass-produced by Zumtobel were really novel when they were first created. They were developed to incorporate new design ideas in luminaires, to shape lighting by using innovative technology, or to break existing standards with new kind of applications. All of this was achieved through close collaboration with architects, designers, planners and engineers.


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