LED Incandescent CFLs Comparison

 

 LEDCFLIncandescent
Light bulb projected lifespan
50,000 hours
10,000 hours
1,200 hours
Watts per bulb (equiv. 60 watts)
10
14
60
Cost per bulb
$35.95
$3.95
$1.25
KWh of electricity used over 
50,000 hours
500
700
3000
Cost of electricity (@ 0.10per KWh)
$50
$70
$300
Bulbs needed for 50k hours of use
1
5
42
Equivalent 50k hours bulb expense
$35.95
$19.75
$52.50
Total cost for 50k hours
$85.75
$89.75
$352.50

 

 


Energy Efficiency 
& Energy Costs

Light Emitting Diodes (LEDs)

Incandescent 
Light Bulbs

Compact Fluorescents (CFLs)

Life Span (average)

 50,000 hours

 1,200 hours

8,000 hours

Watts of electricity used 
(equivalent to 60 watt bulb).  

LEDs use less power (watts) per unit of light generated (lumens).  LEDs help reduce greenhouse gas emissions from power plants and lower electric bills

6 - 8 watts

60 watts

13-15 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 
Impact

Light Emitting Diodes (LEDs)

Incandescent 
Light Bulbs

Compact Fluorescents (CFLs)

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 pounds/year

4500 pounds/year

1051 pounds/year

 

 

Important Facts


Light Emitting Diodes (LEDs)

 
Incandescent 
Light Bulbs

Compact Fluorescents (CFLs)

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

Light Emitting Diodes (LEDs)

Incandescent 
Light Bulbs

Compact Fluorescents (CFLs)

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