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Saylor Innovations LED Lighting

Lighting upgrade math: for any number of lamps swapped from incandescent, halogen or CFL to LED, the annual energy and cost saved from the wattage drop at your hours per day and electricity price, the replacement-bulb savings from lifetimes of 1,000, 2,000, 8,000 and 25,000 hours, the purchase cost, the simple payback in months, the net savings over 5 and 10 years, the carbon avoided, the cooling-load bonus, and the best-first ordering by payback so you replace the most-used lamps first.