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Antique Street Lamps’
News Release
MetalOptics®
2011 W. Rundberg Lane
Austin, Texas 78758
Tel: (800) 324-2669
Fax: (512) 651-1638
www.metaloptics.com

Date: December 6, 2007 - Austin, TX




For Immediate Release
Energy Efficient Fluorescent Lighting
Designed and Temperature Tested
for Cold Storage Facilities

MetalOptics® superior design capabilities and ability to leverage fluorescent lamp and ballast
technology expertise have combined to create a new series of fluorescent luminaires to perform in
temperatures to -20°F / -29°C. A growing segment of the consumer foods market is feeding the
demand for more cold storage warehouse space. Recent advancements in fluorescent lamp and ballast
technology offer not only the benefit of lower energy consumption but lower heat contribution to the
cooling load over HID alternatives. T5HO and T8 fluorescent lamps offer up to 50% energy savings
over metal halide systems. Also, due to lower input watts, heat load contribution to the cooled space can
be reduced by up to 50% over HID systems. Additional dollar savings are offered through Energy Policy
Act (EPAct) tax benefits and potential utility offered rebates.

MetalOptics offers products with exceptional performance over a range of cold storage environments
from +0°C (32°F) for refrigerated fresh produce and fresh meat; to -18°C (0°F) for up to six months
frozen storage; and -29°C (-20°F) for ice cream and longer-term frozen storage up to twelve months.
MetalOptics products include the MJF14, MJF164 and MJF24 cold storage luminaires. The MJF series of
fluorescent luminaires has been tested at each design temperature for light level output. Because these
luminaires were designed especially for cold storage applications they actually perform better in these
temperatures than in normal 25°C environments, stated Jeff McDonald, Director of Brand Strategy for
MetalOptics. All three fixture sizes are enclosed and gasketed and offered with T5HO and T8 lamps. The
MJF14 (1 x 4) fixture is especially suited for aisles up to 25 mounting height using the task beam optics.
Spread beam optics are designed for loading dock and staging areas with mounting heights to 18 feet.
The MJF164 (16 x 4) luminaire is suited for aisles up to 30 mounting height using the task beam optics
and with spread beam optics can be used for loading dock and staging areas with mounting heights up to
24 feet. The MJF24 (2 x 4) luminaire is for aisles and area lighting where higher foot-candle levels are
desired or for mounting heights over 30 feet. All three fixtures use specular aluminum 95% reflectance
Alanod MIRO®4 reflectors that are precision formed for maximum efficiency. Housings are powder
coated and can be mounted with a two-point chain or an aircraft cable hanger. Motion sensor control
and integral emergency battery backup are also available as options for most models.

MetalOptics designs and engineers a variety of fluorescent luminaires to perform in cold storage
environments. By fine tuning components and designing for influencing factors our luminaires retain heat
to keep lamp lumen output high; use specular Alanod MIRO®4 material reflectors for controlled light
output; and manage lamp bulb wall temperature for optimum performance. These are all an integral part
of MetalOptics long history of using prototype testing procedures to get the highest performance from fluorescent lighting. Each luminaire is tested in a state-of-the-art laboratory grade thermal chamber at
each published cold storage temperature to accurately predict installed performance. Ramping tests are
performed starting at 25°C to serve as the benchmark and then the temperature is lowered progressively
to colder set points. Fixtures remain stabilized while a variety of key temperatures are recorded for
components and the light output is measured and analyzed. This detailed data allows for the designer
and installer to maximize product selection.

The Cold Temperature Thermal Factor indicated for each fixture type is used when calculating lighting
levels as an additional light loss factor (LLF). In many cases, this factor is greater than one because
fixtures do not necessarily create internal temperatures in normal 25°C environments that align with the
optimum lamp lumen output. MetalOptics MJF series luminaires
actually perform better in cold
environments than they do at normal 25°C temperatures. They retain the heat necessary to optimize
lamp performance at cold temperatures of 34°F / 2°C, 0°F / -18°C and -20°F / -29°C.

MetalOptics, an Acuity Brands Lighting company based out of Austin, Texas, is a U.S.A.-based
manufacturer of performance lighting fixtures for new and retrofit projects aimed at improving energy
performance. MetalOptics has historically served Energy Service Companies (ESCOs) and is a supplier to
retrofit and renovation service provider channels. The name MetalOptics was chosen to state the
commitment of the company to consistently develop superior optics by maximizing the use of specular
reflectors. Coupled with high-quality thermal management systems and on-site and independent testing
of a variety of performance metrics, MetalOptics delivers superior lighting solutions that maximize lamp
and ballast performance. Since 1985, MetalOptics has added a dimension of shape and finish to its
retrofit-driven, functional product line. MetalOptics flexible manufacturing setup is equally well suited to
developing complex reflectors and innovative housings specifically tailored to the needs of its customers.

Acuity Brands, Inc. owns and operates Acuity Brands Lighting. With fiscal year 2007 net sales of
approximately $2.0 billion, Acuity Brands Lighting is one of the world's leading providers of lighting
fixtures and related services and includes brands such as Lithonia Lighting(R), Holophane(R), Peerless(R),
Mark Architectural Lighting(R), Hydrel(R), American Electric Lighting(R), Gotham(R), Carandini(R),
MetalOptics(R), SpecLight(R), Antique Street Lamps(TM), and Synergy Lighting Controls(R).
Headquartered in Atlanta, Georgia, Acuity Brands employs approximately 7,000 associates and has
operations throughout North America and in Europe and Asia.


Contact:
Liz Darling
Director of Marketing
TEL 512.651.1602
FAX 512.977.9622
Email:
elizabeth.darling@acuitybrands.com

MetalOptics
An Acuity Brands Company
2011 West Rundberg Lane
Austin, TX 78758
TEL 800.324.2669
FAX 512.651.1638
Web:
www.metaloptics.com