What are 2 advantages of LED lights?

LED is a highly energy-efficient lighting technology, and has the potential to fundamentally change the future of lighting in the United States.  Residential LEDs -- especially ENERGY STAR rated products -- use at least 75% less energy, and last up to 25 times longer, than incandescent lighting.

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Widespread use of LED lighting has a large potential impact on energy savings in the United States. By , the majority of lighting installations are anticipated to use LED technology, and energy savings from LED lighting could top 569 TWh annually by , equal to the annual energy output of more than 92 1,000 MW power plants.

Learn why it makes sense to say goodbye to fluorescent, halogen and other technologies.

LEDs have swept the conventional lighting marketplace for a variety of reasons, most notably their extended lifespans, reduced energy consumption and lower maintenance requirements. By , the DOE estimates that LED lighting could save 190 terawatt hours of electricity per year, which equates to a whopping $15 billion. As the purchase price of lamps and fixtures continues to fall, more and more facility managers are looking to upgrade their lighting systems with LEDs, given their many benefits compared to traditional technologies. Following are eight advantages for all store decision makers to consider: 

1 | Energy efficiency

LED lights use about 50 percent less electricity than traditional incandescent, fluorescent and halogen options, resulting in substantial energy cost savings, especially for spaces with lights that are on for extended periods. LEDs also aim light in a specific direction unlike conventional bulbs, which emit light&#;and heat&#;in all directions (because LEDs are mounted on a flat surface, they emit light hemispherically rather than spherically). This directional lighting capability reduces wasted light and energy.

2 | Extended life

Unlike incandescent lighting, LEDs don&#;t &#;burn out&#; or fail, they merely dim over time. Quality LEDs have an expected lifespan of 30,000&#;50,000 hours or even longer, depending on the quality of the lamp or fixture. A typical incandescent bulb lasts only about 1,000 hours; a comparable compact fluorescent lasts 8,000 to 10,000 hours. With a longer operational life, LEDs can reduce labor costs of replacing bulbs in commercial situations, achieving a lower maintenance lighting system. 

3 | Cold temperature operation

LEDs love the cold unlike fluorescent lamps. At low temperatures, higher voltage is required to start fluorescent lamps, and luminous flux (the perceived power or intensity of light) is decreased. In contrast, LED performance increases as operating temperatures drop. This makes LEDs a natural fit for refrigerated display cases, freezers and cold storage spaces in addition to outdoor applications such as the parking lot, building perimeter and signage. DOE testing of an LED refrigerated case light measured 5 percent higher efficacy (the efficiency of a light source in lumens per-watt, like miles-per-gallon) at -5°C, compared to operation at 25°C. 

4 | Durability 

Without filaments or glass enclosures, LEDs are breakage resistant and largely immune to vibrations and other impacts. Traditional lighting is usually contained in a glass or quartz exterior, which can be susceptible to damage. LEDs, on the other hand, tend not to use any glass, instead they are mounted on a circuit board and connected with soldered leads that can be vulnerable to direct impact, but no more so than mobile phones and similar small electronic devices. 

5 | Instant on 

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Most fluorescent and HID lamps do not provide full brightness the moment they&#;re switched on, with many requiring three minutes or more to reach maximum light output. LEDs come on at 100-percent brightness almost instantly however, and with no re-strike delay. This can be advantageous following a power outage or anytime employees open a building during early morning hours when it is still dark outside. 

6 | Rapid cycling 

Traditional light sources tend to have a shorter lifespan the more they&#;re switched on and off, whereas LEDs are unaffected by rapid cycling. In addition to flashing light displays, this capability makes LEDs well suited for use with occupancy or daylight sensors. 

7 | Controlability 

It can take more than a few dollars to make commercial fluorescent lighting systems dimmable, but LEDs, as semiconductor devices, are inherently compatible with controls. Some LEDs can even be dimmed to 10 percent of light output while most fluorescent lights only reach about 30 percent of full brightness. LEDs also offer continuous, opposed to step-level, dimming (where the shift from 100-to-10-percent light output is smooth and seamless, not tiered).

8 | No IR or UV Emissions

Less than 10 percent of the power used by incandescent lamps is actually converted to visible light; the majority of the power is converted into infrared (IR) or radiated heat. Excessive heat and ultraviolet radiation (UV) present a burn hazard to people and materials. LEDs emit virtually no IR or UV. Rapid advancements in LED lighting technologies, with more improvements on the horizon, have resulted in lowered costs and increased reliability of LEDs. And while it may be tempting to assume LEDs are the right choice for all applications because of their energy efficiency, selection should be based on a combination of factors, including light quality and distribution, dimmability, and expected lifetime.

BONUS | Intelligence  

Today, light can do so much more than brighten our path. It can lighten our impact on the environment, make our surroundings more secure or boost comfort and productivity of any indoor space. Pairing LED lighting with intelligent sensors and controls can help build smarter, more sustainable solutions.

Color Without Compromise

Current has developed a narrow-band red phosphor that increases both CRI and R9, while improving LED and system efficacy significantly versus other LED products or systems on the market. Learn more about how reveal TriGainTM technology changes everything.

Explore what's possible with LED lighting from Current. From indoor and outdoor LED lamps and fixtures to intelligent solutions to help solve your businesses toughest energy and productivity problems, we're here to help.

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