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Troy, N.Y. -  1/10/2008

National Lighting Product Information Program (NLPIP) releases new report on residential downlights

Specifier Reports: CFL Residential Downlights is available online

The National Lighting Product Information Program (NLPIP) has released its latest Specifier Report, designed to help lighting professionals, contractors, and homeowners find and effectively use energy-efficient residential downlights, an increasingly popular technique for lighting a home.

Specifier Reports: CFL Residential Downlights presents photometric, electrical, and thermal performance data for selected CFL residential downlights that qualify for ENERGY STAR® approval. The publication examines recessed downlight components, installation, operation, and performance and includes detailed illustrations, photographs, graphs, and data tables.

“For the past 25 years or so, the trend in residential new construction and remodeling has been to install recessed downlights as the predominant luminaire,” explained Patricia Rizzo, residential program manager at the Lighting Research Center (LRC) and one of the report’s authors. “Their clean, low-profile appearance appeals to many consumers,” she added.

Other, related NLPIP reports include Specifier Reports: CFL Downlights and Specifier Reports: Energy-Efficient Ceiling-Mounted Residential Luminaires.

The Specifier Reports series of publications are designed to provide an educational text and a combination of generic and brand name performance information for efficient lighting products and systems. Other publications, from NLPIP’s Lighting Answers series, answer specific questions about lighting products, systems, and subjects relevant to lighting decision makers. Lighting Diagnostics reports document actual cases in which NLPIP researchers have helped to diagnose and solve lighting problems. Technical Guides help lighting specifiers choose lighting products and systems. NLPIP publications are available online at

About the National Lighting Product Information Program (NLPIP)

NLPIP, established by the Lighting Research Center (LRC) in 1990, helps lighting professionals, contractors, designers, building managers, homeowners, and other consumers find and effectively use efficient, quality products that meet their lighting needs. With the support of government agencies, public benefit organizations, and electric utilities, NLPIP disseminates objective, accurate, timely, manufacturer-specific information about energy-efficient lighting products in its series of Lighting Answers, Lighting Diagnostics, Specifier Reports, and Technical Guides.

NLPIP sponsors include: the California Energy Commission’s Public Interest Energy Research (PIER) program; the Iowa Energy Center; the New York State Energy Research and Development Authority (NYSERDA); and the United States Environmental Protection Agency (US EPA).

NLPIP team members are LRC researchers and leading experts in efficient lighting, human factors, and technology transfer. The NLPIP product testing laboratory is one of only three non-manufacturer labs in the US accredited by the National Voluntary Laboratory Accreditation Program (NVLAP) for testing lighting products. NLPIP's research and product testing has spanned products such as compact fluorescent lamps (CFLs), T5 fluorescent systems, metal halide lamps, dimming ballasts, and occupancy sensors, as well as timely subjects such as light pollution, parking lot illumination, and alternative light sources for exit signs. Visit

About the Lighting Research Center
The Lighting Research Center (LRC) at Rensselaer Polytechnic Institute is the world's leading center for lighting research and education. Established in 1988 by the New York State Energy Research and Development Authority (NYSERDA), the LRC conducts research in light and human health, transportation lighting and safety, solid-state lighting, energy efficiency, and plant health. LRC lighting scientists with multidisciplinary expertise in research, technology, design, and human factors, collaborate with a global network of leading manufacturers and government agencies, developing innovative lighting solutions for projects that range from the Boeing 787 Dreamliner to U.S. Navy submarines to hospital neonatal intensive-care units. In 1990, the LRC became the first university research center to offer graduate degrees in lighting and today, offers a M.S. in lighting and a Ph.D. to educate future leaders in lighting. Learn more at

About Rensselaer Polytechnic Institute
Founded in 1824, Rensselaer Polytechnic Institute is America's first technological research university. Rensselaer encompasses five schools, 32 research centers, more than 145 academic programs, and a dynamic community made up of more than 7,900 students and more than 100,000 living alumni. Rensselaer faculty and alumni include more than 145 National Academy members, six members of the National Inventors Hall of Fame, six National Medal of Technology winners, five National Medal of Science winners, and a Nobel Prize winner in Physics. With nearly 200 years of experience advancing scientific and technological knowledge, Rensselaer remains focused on addressing global challenges with a spirit of ingenuity and collaboration.