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LEDs and Lighting Controls Are Sought by Building Owners


hen Thomas Edison introduced the first practical incandescent light bulb in 1879, it was hailed as one of the greatest inventions in history. It’s amaz- ing how things have changed in a relatively short period of time, historically speaking. While incan- descent lamps are in the process of going the way of leaded gasoline and leisure suits, there is plenty of new technology to fill the void. Jesse Smith, LC, MFA, senior lighting designer with Glumac, a sustainable engineering firm located in Portland, Ore., provides some insight into some of the current trends in the lighting industry.


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The LED According to Smith, it is clear LED, or light-emitting diode, technology is here to stay. LEDs are illuminated when electrons move in a semiconductor material. Their claim to fame is their long lifespan, which can exceed 50,000 hours, while using less energy than other forms of lighting. When LEDs were first introduced as architectural lighting,


Stronger. Cheaper. Retrofi t.


Why would I even consider another system?


ould I even r another


?


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Pad! ‹‹ Cree developed the CR24 LED for use when retrofitting spaces that formerly had troffer fluorescent fixtures.


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September October 2012 // RETROFIT 53


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METALCON 2012 N 2012


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