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Sustainability Consultant

Let one of our qualified sustainability consultants calculate how much you can save today!

"I advise and help businesses achieve their energy reductions and save money..."

Kim Weis
Tel: +1 (619) 878 2730

Comparison of LED, CFL and Incandescents

The following table shows the advantages of light emitting diodes (LED) versus incandescent and compact fluorescent bulbs (CFL):

Energy efficiency & energy costs Light Emitting Diodes (LED) Incandescent Light Bulb Compact Fluorescent Bulb
Life span (average) 50,000 hours 1,200 hours 8,000 hours
Watts of electricity used (equivalent to 60 watt bulb) 6-8 Watts 60 Watts 13-15 Watts
 LEDs use less power (watts) per unit of light generated (lumens). LEDs help reduce greenhouse gas emissions from power plants and lower electric bills.
Kilo-watts of Electricity used (30 Incandescent Bulbs per year equivalent) 329 KWH/year 3285 KWH/year 767 KWH/year  
Annual Operating Cost (30 Incandescent Bulbs per year equivalent) $32.85/year $328.59/year $76.65/year
Environmental impact
Contains the TOXIC Mercury No No Yes - Mercury is very toxic to your health and the environment
RoHS Compliant Yes Yes No - contains 1mg-5mg of Mercury and is a major risk to the environment
Carbon Dioxide Emissions (30 bulbs per year) Lower energy consumption decreases: CO2 emissions, sulfur oxide, and high-level nuclear waste. 451 lbs/year 4500 lbs/year  1051 lbs/year 
 Important facts  
Sensitivity to low temperatures None Some Yes - may not work under negative 10 degrees Fahrenheit or over 120 degrees Fahrenheit
Sensitive to humidity No Some Yes
On/off Cycling. Switching a CFL on/off quickly, in a closet for instance, may decrease the lifespan of the bulb. No effect Some Yes – can reduce lifespan drastically
Turns on instantly Yes Yes No - takes time to warm up 
Durability Very durable – LEDs can handle jarring and bumping Not very durable – glass or filament can break easily Not Very Durable - glass can break easily
Heat emitted 3.4 btu's/hour 85 btu's/hour 30 btu's/hour
Failure modes Not typical Some Yes - may catch on fire, smoke, or omit an odor 
 Light output  
Lumens Watts Watts Watts
450 4-5 40 9-13
800 6-8 60 13-15
1,100 9-13 75 18-25
1,600 16-20 100 23-30
2,600 25-28 150 30-55

Comparison chart of LED, CFL and Incandescents.