LED lighting compared to standard incandescent bulbs: Energy efficiency: LED converts 80% of electrical energy to light, while standard bulbs convert only 20%. Standard incandescent bulbs loose 0% of their energy to heat. Lifespan: LED life averages 100,000 hours, incandescent lasts 5000 hours. LED is ideal for difficult to access areas as bulbs rarely need changing. LED is non-toxic, mercury-free and emit no UV radiation.