Comment 5616

By Spiff (anonymous) | Posted February 23, 2007 at 16:23:43


The problem with this analysis is time value of money. Full time jobs are 2,000 hours per year. If we kept a bulb on during working hours, a 60,000 hour bulb could easily last 30 years.

But this comparison treats money to buy incandescent bulbs bought 30 years from now the same as money to buy led bulbs today.

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