You need a 1,600 lumen light that you plan to have on for 213 hours per month. An incandescent bulb produces 14 lumens per Watt and an LED bulb produces 84 lumens per Watt. How many dollars would you save per month if you used an LED light versus an incandescent. Assume the price of electricity is $0.20/kWhr. Enter units as $ before the number.
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You need a 1,600 lumen light that you plan to have on for 213 hours per month. An incandescent bulb produces 14 lumens per Watt and an LED bulb produces 84 lumens per Watt. How many dollars would you save per month if you used an LED light versus an incandescent. Assume the price of electricity is $0.20/kWhr. Enter units as $ before the number.
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