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Task and Building Lighting: The Link Between Lighting Quality and Energy Efficiency
David Loe
Building Research Establishment,
Garston, WD2, 7JR Watford, UK
Abstract
Quality in lighting is a much debated subject and yet it receives little explicit attention by most designers. Recent investigations suggest that a lighting installation that meets not only the task requirements but the quality, or appearance aspects as well, would be more energy efficient than a traditional installation that provides an appropriate task illuminance, with a high level of illuminance uniformity. The author believes that by using a holistic approach to lighting design, an approach which considers both the occupants tasks and the appearance of the building, could lead to improved energy efficiency with the benefit of substantial saving in energy consumption and running costs.
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