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Although LEDs do not generate UV or infrared light, only about 25 percent of the power they consume gets converted into visible light. The rest gets converted into heat, specifically at the positive/negative junction. Because regulating the heat at the junction is vital to maintaining LED efficiency and performance, many LED manufacturers incorporate a “heat sink” into the design that conducts heat away from the junction.

 

LED COMPARISON CHART

OPTIONSLEDCFLINCANDESCENT
LIFE EXPECTANCY 50,000 hours 8,000 hours 1,200 hours
LIFE COST TO OPERATE FOR 50,000 HOURS* (AT $.14669/KWH)$73$140$723
HEAD OUTPUTLowLowHigh
AFFECTED BY LOW TEMPERATURESNoneYesHigh
AFFECTED BY HUMIDITYNoneYesSome
INSTANT ONYesNo Yes
CONTAINS MERCURYNoYesNo
DEGRADATION FROM ON/OFF CYCLINGNoYesSome
WATTAGE USED FOR 450 LUMENS 5 9-13 40
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