Light Emitting Diodes (LEDs)

Incandescent Light Bulbs

Compact Fluorescents

 (CFLs)

Energy Efficiency & Energy Costs

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

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

~ 700.000VNĐ

$328.59/year

~ 7.000.000 VNĐ

$76.65/year

~ 2.000.000 VNĐ

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

Important Facts

Temperatures in work

Low

High

Very high

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