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Light Bulb Comparison
Comparison Incandescent

Incandescent

CFL

CFL

LED

LED

Life Span 1,200 hours 8,000 hours 50,000 hours
Watts Consumed 60 13 to 15 6 to 8
kWh Consumed per Year for a Single Bulb* 65.7 15.33 7.665
Annual Operating Cost† ($) 7.227 1.6863 0.84315
Contains Mercury No Yes No
Heat Emitted (BTUs/hour) 85 30 3.4
*assuming 3 hours of use per day
†assuming $0.11/kWh
Fluorescent Bulb Disposal