New lighting and controls to save 67% at mall
A metal halide lighting system and a Staco control system that dims lighting in response to sunlight should save a Dallas hotel and office mall 67% in electricity costs. The new system replaces quartz lamps in the 160-foot-high atrium. The savings are a combination of state tax credits and lower air conditioning costs, which will pay for the $25,000 project in about 18 months. The metal halide system was chosen over sodium lighting in order to have more attractive color rendition and because it provides about twice as many lumens per watt as the quartz lamps. The Staco system will dim lamps in response to outdoor light and turn lights above a skating rink on and off at prescribed times.
- OSTI ID:
- 5428699
- Journal Information:
- Energy User News; (United States), Journal Name: Energy User News; (United States) Vol. 10:24; ISSN EUSND
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
320104* -- Energy Conservation
Consumption
& Utilization-- Commercial & Industrial Buildings-- (-1987)
ATRIA
BUILDINGS
COMMERCIAL BUILDINGS
CONTROL SYSTEMS
DAYLIGHTING
EFFICIENCY
ENERGY CONSERVATION
ENERGY EFFICIENCY
ENERGY SYSTEMS
LIGHTING SYSTEMS
OPTICAL PROPERTIES
PAYBACK PERIOD
PHYSICAL PROPERTIES
RETROFITTING
TAX CREDITS