Artistic Lighting
by Paul Salmonson
An increasing number of municipalities throughout the U.S. are adopting various types of energy guidelines for lighting and electrical design. This usually involves classifying a space to determine the amount of watts per square foot or using a whole building approach. Once the energy consumption levels are determined for lighting, a lighting designer can then assess the needs of the space regarding various needs such as visual impact for retail, tasks for office work or ambiance for restaurants and clubhouses.
As various elements of the lighting design industry such as new products, LEED/Green Building Design and energy codes continue to evolve, lighting specialists are continually challenged to implement designs that not only create an exceptional space but adhere to the local governing energy codes. When we illuminate a certain classification of space to the standards set by the Illumination Engineering Society (IES) and adhere to the amount of watts per square foot set by the U.S. Department of Energy, we usually exceed our energy consumption when traditional fixtures are specified. This is where, for lighting designers, the creative juices really need to start flowing.
Some of the largest energy consuming devices are decorative fixtures. One can imagine that by using high efficacy (lumens per watt) fixtures throughout a project, energy requirements would be met, yet the environment would resonate the warmth of an industrial warehouse. This wouldn't be appropriate, for example, if designing a high-end clubhouse. So how do you bring these two design criteria together?
The key to lighting design in any project is understanding the lighting concept for the space. If the project is a contemporary Asian restaurant, then relying on more recessed, low wattage and high-efficacy fixtures for a clean look with supplemental halogen spots will make key elements pop. On the other hand, a location with an Old World theme that involves several chandeliers and sconces will need a different approach.
Both concepts will require some form of lighting control systems to be compliant with most energy codes. But in the case where lighting needs a more traditional look, Energy Star compliant fixtures can be a decorative and simple way to conserve energy while maintaining an attractive lighting design. For a more contemporary look, and to cut back on energy use dramatically during the day, consider a day lighting centered design. One of the best ways to conserve energy, day lighting incorporates skylights, clerestory windows and cupolas to light areas with beautiful, natural sunlight.
For those looking to increase the energy efficiency of fixtures already in place, installing dimmers and motion sensors on lighting fixtures will ensure that energy is consumed as resourcefully as possible. For areas that have several lighting fixtures in one room, implementing a multiple switch system can be helpful, allowing users to turn on only a few lights at a time.
Whatever the needs, involving a lighting designer helps builders make informed decisions on the decorative selections as they relate to the overall design and the amounts of energy consumed. In the end, the lighting industry will continue to be enhanced by product innovations, technology, demographics and energy use guidelines and regulations.
Paul Salmonson is owner of Aterra Lighting Design & Controls and Industry Partner of ASID Arizona North Chapter. Working with architects, electrical contractors, homebuilders and interior designers, the company specializes in creating state-of-the art lighting design for residential and commercial projects.
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