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LED Lighting for Dummies
What is LED?
Light Emitting Diodes (LEDs) are semiconductor devices that produce visible light when an electrical current passes through them. It is basically digital light that comes with an abundant amount of benefits.
It is a highly energy efficient lighting technology and has the potential to fundamentally change the future of lighting in the US. Using LEDs will slash long-term operating costs and drastically reduce energy use.
“Widespread use of LED lighting has the greatest potential impact on energy savings in the US. By 2027, widespread use of LEDs could save about 348 TWh (compared to no LED use) of electricity: This is the equivalent annual electrical output of 44 large electric power plants, and a total savings of more than $30 billion at today’s electricity prices.” -Department of Energy
What are the benefits of LED lighting over traditional light sources?
LED lighting differs from incandescent and compact fluorescent lighting (CFLs) in several ways. LED is more efficient, durable, and longer lasting.
Energy-efficiency: LED lighting offers energy savings of 80-90% over incandescent technology and up to 50% over fluorescent lamps.
Longer life: With typical lifespans of up to 50,000 hours, LED lasts 2 or 3 times longer than fluorescent lighting, and up to 50 times longer than incandescent. Maintenance costs are vastly reduced as a result.
Instant light: Unlike many fluorescent lights, LEDs require no warm-up time to reach full brightness.
Eco-friendly: LED lights are free of toxic chemicals and 100% recyclable. LED lighting has potential to drastically reduce carbon emissions. Around 20% of the world’s electricity is used on lighting. Unlike fluorescent lamps, LEDs contain no mercury, making disposal easier and cleaner. Longer lifespan relieves pressure on landfill sites. A big step towards a greener future!
Reduced heat output: LED emit very little heat. Incandescent bulbs release 90% of their energy as heat and CFLs release about 80% of their energy as heat.
Durability Quality: LEDs are a solid state form of lighting, resistant to vibration and shock. They are less delicate than incandescent or fluorescent lamps and outperform competing technologies in cold temperatures.
What’s the bottom line?
LED is by far the most energy efficient, the cleanest, and most eco-friendly way of providing light. The upfront cost is more expensive because you’re paying for the technology but it will dramatically minimize your power bill every month. You are also saving money and energy in maintenance and replacement cost, due to the long lifespan of LED lighting.