The Cost of Light
The Cost of Light Socket Quantity Wattage Incandescent Electric Bill Energy Star Electric Bill Savings/Yr Savings Over 5 yr Bulb Life (1) 13 WATT $16/yr $4/yr $12/yr $60 (2) 13 WATT $33/yr $7/yr $26/yr $130 (3) 13 WATT $49/yr $11/yr $38/yr $190 (4) 13 WATT $66/yr $14/yr $52/yr $260 (5) 13 WATT $82/yr $18/yr $64/yr [...]
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