spot led LED bulbs: Time to switch on new lights
On November, at the Philips lighting experience center in Eindhoven, the Netherlands, a filament glows in a Philips classic LED bulb.23, 2017.(On November, at the Philips lighting experience center in Eindhoven, the Netherlands, a filament glows in a Philips classic LED bulb.23, 2017.(When Jason Chroman moved from San Francisco to the suburbs, he and his family moved into a bigger, newer house.It was all very exciting until their first electricity bill arrived."The House may be 30% larger, but the electricity bill is 200% more," says Mr Chroman .".So he began to look around and wanted to know what could be done with such a great force.When he looked up, he found the answer: "Because it's a new house, it has a lot of embedded lighting, all of which are incandescent lamps."Guo Wen is the vice president of finance of Silicon Valley startups --So he put his money skills to work at home.The question is: due to the higher cost of LED bulbs but less energy used, how long will they pay for themselves?He was surprised to find that due to the high energy prices in California, he could recover the cost in less than two months."When I calculated the economics of each bulb, I upgraded all the bulbs in the house," said Chroman ."."I spent a lot of money, but my electricity bill fell by about half.How much electricity was consumed by the lighting surprised me."The federal government seized the high cost and energy consumption of lighting in 2007 and passed a law stipulating that the efficiency of light bulbs must be tripled by 2020.Congress has not declared old.The old-fashioned "Edison" bulb, because it was used by us from the time of inventor Thomas Edison.But it is also possible because there is no incandescent lamp anywhere close to the new standard.States can then choose to accelerate change, and California has taken a step forward.Starting Jan.California retailers have to exhaust the supply of incandescent lamps and then only sell bulbs that meet the new standards, which means led and compact fluorescent bulbs.The rest of the country will follow up in two years.Chroman's home is large and his power is high, but even for a normal family that uses 40 bulbs, the number is convincing.The average electricity bill is 13 cents per kWh.If all 40 bulbs are 75 W incandescent lamps, this is very typical and you can convert to 11 W LEDs to get the same amount of light.This is the math of using incandescent lamps.If you turn on 40 lights five hours a day, led :-Per bulb75-monthly costWatt incandescent: $1.4611-watt LED: $0.21-Monthly Cost per 40 bulbs75-Watt incandescent: $58.4011-watt LED: $8.40-Annual cost of 40 bulbs75Watt incandescent: $700.8011-watt LED: $100.In this case, the homeowner will save $600 a year by switching the bulb from an incandescent lamp to an LED.But what about the cost of the bulb itself?When the led is on the market, the label is seriously hit.For example, LED spotlight bulbs used to cost as much as $100.But I found a lot of $5 LED bulbs online and they cost even less due to rebates offered by power companies.In contrast, the cost per incandescent lamp is about $1, although prices may rise as they go down due to government requirements.Prices vary, but let's say the cost difference between basic LED and incandescent is $4.According to the math above, the monthly usage of a bulb is saved by $1.25.Therefore, most people will be able to recover the cost of the new LED bulb in just over three months.LEDs can save not only money, but also time, as they can last about 25,000 hours, so there are fewer times to go to the store and climb the ladder.If you light up five hours a day like the example above, it's over 13 years.The incandescent lamp lasts only 1,200 hours;Compact fluorescent lamp, 8,000 hours.Of course, LED bulbs also save energy.This is what the government first sought.Not only your wallet, but the power grid is not so stressful.Take advantage of the cost-time-Save energy and there may be some objections that need to be overcome: Color: Early LEDs usually emit cold, bright lightwhite light.Newer LED bulbs are labeled "soft white" or "warm white" and glow like old onesOld-fashioned incandescent lamps.Look for the color temperature of 2,700 Kelvin.Shape: LED bulbs are now available for almost any purpose.Regular bulbs and spotlightsChandelier, light bulbThree-shaped bulbsLight bulbs on the market, even Christmas lights.Dimming: unlike earlier LED and compact fluorescent bulbs (CFLs), many LED bulbs are dimmable, most of which are still not dimmable.Quality: not all LEDs are equal.To know that you are buying the most efficient LEDs, look for the Energy Star label.This means that they meet the standards of brightness, color quality, efficiency, stability, and instant lighting.-Leamy hosted the podcast "easy to make money "." She is a 13-Emmy winners and 25-Annual consumer advocates for projects such as Good Morning America.