L I G H T I N G   C O M P A R I S O N   C H A R T
Energy Efficiency & Energy CostsLight Emitting Diodes
(LEDs)
Incandescent Light BulbsCompact Flourescents
(CFLs)
Life Span (average)50,000 hours1,200 hours8,000 hours
Watts of electricity used
(equivalent to 60 watt bulb.)
Light Emitting Diodes
(LEDs)
Incandescent Light BulbsCompact Flourescents
(CFLs)
LEDs use less power (watts) per unit of light generated (lumens). LEDs help reduce greenhouse gas emissions from power plants and lower electric bills6 - 8 watts60 watts13 - 15 watts
Kilo-watts of Electricity used
(30 Incandescent Bulbs per year equivalent)
329 KWh/yr.3285 KWh/yr.767 KWh/yr.
Annual Operating Cost
(30 Incandescent Bulbs per year equivalent)
$32.85/year$328.59/year$76.65/year
Environmental ImpactLight Emitting Diodes
(LEDs)
Incandescent Light BulbsCompact Flourescents
(CFLs)
Toxic (Containing Mercury)NoNoYes
RoHS CompliantYesYesNo
Carbon Dioxide Emissions
(30 bulbs per year)
451 pounds/year4500 pounds/year1051 pounds/year
Important FactsLight Emitting Diodes
(LEDs)
Incandescent Light BulbsCompact Flourescents
(CFLs)
Sensitivity to low temperaturesNoneSomeYes - may not work under negative 10 degrees Fahrenheit or over 120 degrees Fahrentheit
Sensitive to humidityNoSomeYes
On/Off Cycling
Switching a CFL on/off quickly, in a closet for instance, may decrease the lifespan of the bulb.
No EffectSomeYes - can reduce lifespan drastically
Turns on instantlyYesYesNo - takes time to warm up
DurabilityVery Durable - LEDs can handle jarring and bumpingNot Very Durable - glass or filament can break easilyNot Very Durable - glass can break easily
Heat Emitted3.4 BTUs/hour85 BTUs/hour30 BTUs/hour
Failure ModesNot typicalSomeYes - may catch on fire, smoke, or omit an odor
Light OutputLight Emitting Diodes
(LEDs)
Incandescent Light BulbsCompact Flourescents
(CFLs)
450 lumens4-5 watts40 watts9-13 watts
800 lumens6-8 watts60 watts13-15 watts
1,100 lumens9-13 watts75 watts18-25 watts
1,600 lumens16-20 watts100 watts23-30 watts
2,600 lumens25-28 watts150 watts30-55 watts