LED Lights For Commercial Lighting
LED Lights or light-emitting diode is a solid-state lighting (SSL) source used primarily in display lighting and in general lighting applications such as aircraft maintenance lighting, automotive lighting, advertising, general lighting, street lights and traffic signals. However, more powerful LEDs are used for area lighting for interior rooms and building and outdoor lighting in gas station canopy lights, wall packs, parking garage lighting. LED lamps are shown to have advantages over incandescent, metal halide and compact fluorescent like lower energy consumption, longer lifetime, improved physical robustness and smaller size.
As solid-state lighting, LEDs are subject to very limited wear and tear when operating at low temperatures. Typical lifetimes quoted are 50,000 to 100,000 hours, but heat can extend or shorten this time significantly. The fact that LED light output rises at lower temperatures makes the technology ideal as replacement lighting in supermarket freezer lighting and will last longer than T8 LEDs or fluorescent lamps. Because LED cooler door lights emit less heat than fluorescent lamps, they are an energy-efficient technology for use in refrigerated cases, walk-in coolers, reach-in coolers and freezers.
LED Lighting Commercial Applications
Most people readily associate with electronic gadgets, circuit boards, and flashlights. Today LED solid-state lighting (SSL) technology has evolved to where the future of commercial lighting is LED. Along with energy savings, qualified commercial LED lighting significantly reduces maintenance and cooling costs and is the ideal lighting solution for cutting-edge renovation, new construction projects, or grocery store retrofits.
Qualified LED commercial lighting use at least 75% less energy and will last 35 times longer than incandescent and fluorescent lighting. From parking lots to high-end showrooms, LED lighting provides focused, optimal light for your retail or commercial building.
Unlike, fluorescent or incandescent bulbs, LED fixtures are very durable and will not shatter and break. Other convenient features on some indoor models is a dimming function and some outdoor models feature automatic daylight shut-off and motion sensors.
In restaurants and office buildings, upgrading recessed downlights to LED recessed downlights – LED MR 16 lighting or LED PAR lamps can significantly reduce operating, maintenance, and cooling costs. LED lighting systems provide shopping malls, grocery stores, professional offices, hotels, restaurants, hospitals, airports, and casinos with better, longer-lasting lighting.
In commercial settings, LED lighting systems are used to upgrade the following:
Commercial interior lighting
Suspended fluorescent lighting
HID High Bay
HID Low Bay
Cove lighting: halogen and fluorescent
Fluorescent task lights
Fluorescent surface mount: wraps, channels, strips
Recessed fluorescent: parabolic, lensed, volumetric, troffer, lay-ins
Under-cabinet: halogen and fluorescent
Refrigerated case lighting for coolers and freezers
Refrigerated Display Cases
Conventional refrigerated display cases are illuminated by fluorescent lights. LEDs offer several advantages over fluorescent lamps, the most important being that they perform very well in cold temperatures. Unlike fluorescent lamps, where light lumens depreciate rapidly and appreciably. Also with fluorescent lighting, the generated heat is retained inside the refrigerated case, whereas no heat is generated by the LED lighting system, resulting in reduced refrigeration energy needs. Also, because LEDs are directional and can be laser-focused on the product, there is less wasted light, which means even greater energy savings.
As a solid-state technology, LEDs are easy to dim as well. In November 2006, Wal-Mart became the first major retailer to announce plans to use LED lighting in refrigerated display cases. In 500 stores, the company is installing low-wattage LEDs connected to occupancy sensors, which will automatically dim the lights when no shoppers are nearby. Wal-Mart believes light use will drop from 24 hours a day to 15 hours. Overall, the company expects a 66 percent reduction in refrigerated case lighting costs. Because LED technology will allow Wal-Mart to transmit waste heat outside the case, the company expects to save additional energy and money from reduced refrigeration demands.
Outdoor Lighting and Exterior Signs
Today most commercial businesses can effectively use LEDs in a number of outdoor lighting applications. LED lighting for gas station canopy lights, parking garage lights, security and area lighting in floodlights, wall packs and street lighting, marquee lighting and exterior commercial signage can result in better visibility, lower maintenance costs, and considerable energy savings.
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