2009 - Daylight Symposium
ENERGY EFFICIENT DAYLIGHT SOLUTIONS, TRENDS AND CHANCES by Wilfried Pohl
Research and development
Daylighting has become a frequently used phrase in architecture, but in reality not so much has changed in the last decades! The use of daylight means to design façade and window solutions, which are able to meet the contradictionary requirements like
- guiding daylight into the depth of the building
- shading the solar heat in summer, using it in winter
- protect the occupants against glare
- allow a good view to the outside
Additionally, these functions have to be fulfilled while the outdoor conditions (day- and yeartime, weather) and the indoor demands are changing continuously. Despite this complex context the ‘glass and steel architecture’ with fully glazed facades was booming the last years. The author will present an overview of the energy saving potentials of daylight techniques and will show future trends and chances.
Wilfried Pohl studied mathematics and physics, since 1985 employed by Bartenbach LichtLabor. Member of Managing Board, General Manager for Research and development. Leader of various international planning and R&D-projects, dealing with daylighting, artificial lighting, visual perception, light&health, and building physics. Numerous scientific publications, lecturer at different universities and at the university of Innsbruck, Lighting Academy.