Do Compact Fluorescent Lights (CFLs) really save money?
Use the table below to compare for yourself. Incandescent Compact Fluorescent Lights Life expectancy 750 hours 10,000 hours Number of bulbs/10,000 hrs 13.33 bulbs 1 bulb X Cost per bulb $1 $20 = Cost of product $13.33 $20 Total hours 10,000 hours 10,000 hours X Wattage 100 watts 28 watts /Wh to kWh conversion 1,000 Wh/kWh 1,000 Wh/kWh = Total kWh consumption 1,000 kWh 280 kWh X Average cost per kWh $0.08 $0.08 = Cost of operation $80.00 $22.40 Life Cycle Cost (Product + Operation) $93.33 $42.
