How much can led lighting really save you?

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Information about How much can led lighting really save you?

Published on March 16, 2016

Author: britelitedirect

Source: slideshare.net

1. How Much Money Can LED Lighting Really Save You? Today, a plethora of lighting products gives consumers the power to choose according to their specifications, within acceptable price ranges. Savings to consumers can be calculated not only in terms of money and replacement frequency but also energy consumption and environmental impact. With the Energy Independence and Security Act of 2007 having concluded its last phase of converting the U.S.A. into a more energy-efficient, light- consuming country, it has gotten easier to have consumers turn to more energy-saving light bulbs, i.e., the LED bulb, as opposed to incandescent and fluorescent bulbs. Notwithstanding the U.S.-based and worldwide phasing out of incandescent bulbs in recent years, is it really worth your time to consider the cost-saving potential of switching to LED lighting from arguably more energy-efficient halogen incandescent and compact fluorescent lights (CFLs) being manufactured these days? Absolutely. You can stretch your dollar while lighting your home with an equal, if not superior, amount of light. Currently, you can opt between LED bulbs, halogen incandescent bulbs, and compact fluorescent bulbs. Why do LED bulbs outrank the other two? Old-generation incandescent bulbs produced a lot of light – but 90% of its energy expenditure is actually wasted on heat, not light, production. The next-generation incandescent bulbs, or halogen bulbs, include a halogen gas-containing capsule which serves to enhance the bulb’s light producing efficiency. These halogen bulbs meet the minimum requirement set by the federal government for energy efficiency, but why choose this when you have an even more energy-efficient option? Compact fluorescent lights or lamps are the curly descendants of their straight and long fluorescent forebears. They consume much less energy (only one-fourth of the energy of old-style incandescents or one-third the energy of halogen incandescents), yet their lifespan is 10 times longer than a traditional incandescent’s. CFLs pay for themselves in ¾ of a year, plus gaining you additional monthly savings thereafter. On the downside, CFLs and older fluorescent lights contain mercury, so they must be recycled once their lifespan is up. Superior to other light sources, LED (light-emitting diode) bulbs are comparably the most energy- and cost-efficient lighting technology. LED

2. bulbs that have the ENERGY STAR rating use up only one-fifth to one-fourth the energy of traditional incandescent, yet their lifespan reaches up to 25 times longer than the latter. In comparison to halogen incandescents, LED bulbs still come out ahead, using a quarter to a third of the energy of halogen incandescents, while lasting 8-25 times longer. To illustrate, the lifespan of incandescent bulbs is about 2,000 hours. The LED bulb’s lifespan can reach 50,000 hours – or up to 25 times the latter. While the initial cash outlay for an LED bulb can be high (due to special packaging materials as well as LED dye degradation), your savings in the long run far outweigh the first cost. As already indicated, LED bulbs have a superior lifespan and efficient energy consumption compared to other lighting sources. In time, a greater LED product supply will drive down market prices, redounding to better economies for the consumers. For a more detailed computation of potential savings with energy-efficient lighting, consider these three things: electrical consumption, electricity cost, and the amount of time the lights are on. Electrical consumption – A 2010 survey (tapping more than 500 mid-size, southern Florida homes) revealed that on average, 47 incandescent bulbs were used per American households, with wattages ranging from 25 to 100 each bulb. For simplification purposes, let’s average out that range to 60 watts per bulb, giving us a total wattage of 2,820 watts per household (or 60 watts X 47 bulbs). In contrast, a 9.5-watt LED bulb can generate light equal to that of a 60-watt incandescent bulb, so the light energy savings are remarkable in comparison: 9.5 watts X 47 bulbs = only 446.5 watts – thereby saving the household 2,373.5 watts of light. Electricity cost and Lights-on time – As of 2015 in the U.S., the cost of electricity, on average, was 11.88 cents per KWh (kilowatt hour). Therefore, if you use up 2,373.5 watts of light an hour (or 2.37 KWh), you’re paying roughly 28.20 cents an hour. If an average household uses light for 6 hours per day, 30 days a month, and 12 months a year, that redounds to nearly $610 a year – just for your lights. Compare that to an LED switch, and you get: 0.4465 KWh X 6 hours X 30 days X 12 months = $114.58 a year – giving you $495 dollars in savings. The price difference is certainly noteworthy.

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