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Illuminating Engineering Society Publishes LEM-7 Guide to Energy-Saving Lighting Controls

04/02/2014 by Lighting Controls Association 2 Comments

The Illuminating Engineering Society, in partnership with the Lighting Controls Association, has published LEM-7, Lighting Controls for Energy Management, a detailed guide to energy-saving lighting controls. The publication was written by Craig DiLouie, LC in support of the IES Energy Management Committee. The 48-page 8.5×11 guide, which is available for $35 (IES members) and $50 […]

Filed Under: Bilevel Switching, Commissioning, Daylight Harvesting, Design, Dimming, Education and Tools, Energy Codes, Fluorescent Control, Fundamentals, HID Control, Integration, LCA News, LED Control, Occupancy Sensors

CLTC Study Demonstrates Major Energy Savings for Bilevel Occupancy Sensors

04/09/2009 by Craig DiLouie 1 Comment

All energy codes require that general lighting be automatically turned OFF when it’s not used. Further, IECC says that if an occupancy sensor is used in an enclosed space such as a private office, light level reduction controls are not needed, suggesting an either/or choice. What if bilevel switching was combined with occupancy sensor functionality? Would this produce higher energy savings in a private office than bilevel switching or occupancy sensing alone. And: What combination of manual initiative and automation would produce the highest energy savings while also satisfying workers? The California Lighting Technology Center (CLTC) organized a study in eight private offices at the University of California – Davis in 2008 to attempt to generate useful data related to these questions.

Filed Under: Articles, Bilevel Switching, Legrand, Occupancy Sensors

Congress Extends Commercial Buildings Deduction to 2013

11/12/2008 by Craig DiLouie Leave a Comment

The Energy Policy Act (EPAct) of 2005 created the Commercial Buildings Deduction (CBD), which established an accelerated tax deduction rewarding investment in energy-efficient interior lighting, HVAC/hot water systems and building envelope. Initially set to expire December 31, 2007 and then December 31, 2008, the CBD was recently extended by Congress to expire in five years: December 31, 2013.

Filed Under: Articles, Bilevel Switching, Projects, Retrofits, Rules and Regulations

Research Demonstrates Controls Can Help Reduce School Average Power Density to About Half of ASHRAE 2004/2007

04/12/2008 by Craig DiLouie Leave a Comment

NYSERDA sponsored a demonstration project featuring a new Integrated Classroom Lighting System (ICLS) created by Finelite, Inc., a fixture manufacturer, installed as a retrofit into 28 existing classrooms at seven schools and universities. The Lighting Research Center (LRC) assessed teacher and student satisfaction. The result is a design template demonstrated to satisfy audio-visual needs and improve teacher and student satisfaction while reducing lighting power density to an average 0.73W/sq.ft., nearly 50% less than ASHRAE 90.1-2004/2007. Although Finelite optimized the design into an engineered system integrating the company’s light fixtures with state-of-the-art lighting control strategies, the template, if properly designed, can be treated as open source with suitable products from a wide range of manufacturers.

Filed Under: Articles, Bilevel Switching, Education, Legrand, Occupancy Sensors, Projects, Research Studies

Bi-level Switching Study Demonstrates Energy Savings

06/13/2007 by Craig DiLouie Leave a Comment

In this special report by the Lighting Controls Association, we will describe bi-level switching code requirements, its role in the Commercial Buildings Deduction, methods and equipment, and the results of a study of typical energy savings achievable with bi-level switching in popular applications.

Filed Under: Articles, Bilevel Switching, Design

Port of Seattle Headquarters

04/18/2004 by Lighting Controls Association 1 Comment

Pier 69 on Seattle’s historic waterfront was built in 1931 to warehouse rolls of metal for the production of canned salmon containers. The only concrete pier on the waterfront, Pier 69 stretches over 750 feet long and 135 feet wide. Hewitt Isley tackled this stolid building to create a new home for the Port of Seattle’s administrative headquarters. Their dynamic reno-vation created what the Seattle Weekly named “one of the grandest indoor spaces in the Northwest.”

Filed Under: Bilevel Switching, Daylight Harvesting, Fluorescent Control, Office, Projects

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