The International Dark-Sky Association (IDA) is promoting BUG, a classification system for outdoor luminaires (PDF file). Based on the TM-15–the upgrade of the roadway shielding classification system by the Illuminating Engineering Society and the Lighting Research Center–the BUG system addresses light emitted from the luminaire in all directions, not just up into the sky. Called [...]
Lighting Design
Education + Resources, Lighting Design
New DOE Commercial Lighting Solutions Web Tool Lights the Way Beyond 90.1
I wrote the below column for the April issue of Illuminate, published by Architectural Products Magazine, about the Commercial Lighting Solutions program produced by DOE to support organizations seeking to generate energy savings beyond ASHRAE 90.1-2004 without sacrificing lighting quality. I was also honored to take part in a charrette in Washington, DC to contribute [...]
Room Surface Brightness
Traditionally, lighting design for office applications has focused on making sure that there are sufficient maintained light levels on horizontal surfaces such as desktops. But research suggests that office workers prefer some light on vertical surfaces, confirming the beliefs of many lighting designers. Designing lighting to create brightness on vertical surfaces in the field of [...]
Lighting Solution Development
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