LED light bulbs have some huge advantages over incandescent and compact fluorescent (CFL) bulbs. But they perform differently, so here’s your guide to understanding LED bulbs so you can enjoy their benefits and play to their strengths.
LED bulb designs are constantly evolving, and they keep getting cheaper and more user-friendly. They’re energy-efficient, durable, and they contain no hazardous materials like mercury. But if you walked through your home today and replaced every single incandescent or fluorescent bulb with an LED, you might be disappointed with some of them. Consider the following factors to make sure you’re getting the most out of your LED light bulb upgrades.
Point The Light Where You Need It
Even when an array of light emitting diodes is packed into a “bulb” shaped casing, they still create a somewhat directional light source. This usually means that an LED light bulb will cast more light from the top end of the bulb than from the sides.
Manufacturers often refer to an LED bulb’s equivalent wattage (compared to an incandescent bulb) based on overall lumen output. Incandescent bulbs usually cast an evenly distributed glow, so a “60-watt replacement” LED bulb may not seem to pull its weight in a shaded table lamp. But in a recessed ceiling fixture, an LED bulb may actually cast even more light than its incandescent counterpart.
Energy Efficiency And Durability
One of the biggest advantages of an LED light bulb is its energy efficiency. Today’s best LED bulbs use roughly one seventh of the electricity consumed by an incandescent bulb, or half the power of a fluorescent. One of our favorites, the C. Crane GeoBulb 3 (which retails for $69.95), is a 7-watt replacement for a 50-watt incandescent bulb or a 13-watt fluorescent.
Despite a relatively expensive initial purchase price, LED bulbs will pay for themselves over time by cutting your power bills. But only when they’re actually turned on – so they are especially well-suited for lights that are constantly in use. For example, a ceiling light that’s on all day long will take advantage of an LED’s efficiency better than an occasionally-used reading light.
LED bulbs last for a long time too – typically up to 50,000 hours (which translates to 12 hours a day, every day, for over a decade). This means fewer burned-out bulbs ending up in landfills, and added convenience too – you’ll rarely have to get your ladder out to change a bulb in a hard-to-reach fixture.
Beat The Heat
LED bulbs run cool, which is a double bonus for energy savings: electricity is being converted into usable light instead of wasted heat, and lighting isn’t competing with a building’s air conditioning system. But if the diodes within the “bulb” do become overheated, their efficiency plummets and they become unreliable. LED bulbs shouldn’t be used in unusually hot settings, and many manufacturers specify that their bulbs must only be used in unsealed, open-air fixtures.
Ever wonder about those metal “fins” around the base of an LED bulb? It’s a thermally conductive heat sink, designed to keep the internal diodes cool. An alternative design is active heat management, where liquid coolant or a tiny cooling fan does the job.
A liquid-cooled LED bulb that was previously featured on MetaEfficient is the Hydralux from EtarnaLEDs ($35). For a fan-cooled bulb, a good choice is the EarthLED Evolux, which retails for $77.99. Note that the sound of a cooling fan can sometimes be heard in a quiet environment – which could be a drawback in a quiet space like a bedroom, but might not matter at all in a living room or workshop
Is It Dimmable?
Some LED light bulbs feature circuitry that lets them perform just fine on a dimmer, whereas others can be damaged by the variations in power supply. Be sure to check the specs on an LED bulb before replacing a bulb in a dimmable fixture. One solid performer that is rated for use with a dimmer is the Pharox III LED light bulb ($52.98), a 6-watt warm white bulb from Dutch lighting company Lemnis.
Quality Of Light & Color Temperature
In a living space, light quality is just as important as the amount of light output. “Color temperature” is a common measure of light quality (described in degrees Kelvin), and it provides a handy reference for finding appropriate lighting in household applications. To put it simply, a lower color temperature indicates a warmer light with more red and yellow, like candlelight or a sunrise. Higher numbers mean a starker, bluish light.
There is no “ideal” color temperature for an LED bulb – it’s primarily a matter of personal preference. For the sake of comparison, the color temperature of a candle might be 1,800K, while a standard incandescent light bulb could be around 3,000K, and a computer monitor might measure over 9,000K. Compare different models to find the LED bulb that best matches your needs and taste.
Of course, light quality is really only an issue for “white” light. LED bulbs can be a great choice for accent lights or signs that require colored bulbs, where color temperature is a moot point and bulbs may be illuminated for long stretches of time. Sylvania/Osram makes a range of LED accent bulbs, available in red, green, blue, or yellow.
LED bulbs are a great choice for many applications around the house, and they’re certain to become even cheaper and more popular as they continue to evolve. Leave a comment below and let us know if you’ve made the switch to LED lighting in your home.
29 thoughts on “Efficient LED Light Bulbs For The Home”
Wonderful Information and very well explained benefits of LED. Nowadays people have switched to LED due to this amazing features which you have displayed in your blog !! Good Work !!
Great idea. LED light is more preferable to use, not only to conserve energy but at the same time it will give a great lighting. LED lights use less power yet generate the same level of brightness for long periods of time, it consume less electricity and save money from expensive electric bills.
At present time LED light bulbs are more popular than ncandescent and compact fluorescent (CFL) bulbs. By using LED bulbs, is the best way to save energy, protect than environment, reducing electricity bill. This offer “C. Crane GeoBulb 3 for $69.95 , is a 7-watt replacement for a 50-watt incandescent bulb or a 13-watt fluorescent” is really favorite to me….
Wow its great idea and this inovation for energy saving
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Replaced all the lights in my home with either 4w spots or 7w ‘golf balls’, or 2w decorative ‘candles’spots cost £9-14 and the golf balls £18. House now used 160w compared to the 1500ish it used previously.
Spots aren’t quite as bright with 360 lumen ouput, but the golf balls with 480 are just fine. Not expecting to change a bulb for another 10+ years now and they will have paid for themselves inside 9 months.
I hope you can do testing for LED lights similar to this to show brightness, watts, color temp, color, perceived brightness, faces, reading as parameters.
As for reading light…
according to this
The “Ideal” reading light has color temp of 5000-6000Kelvin and CRI close to 100 as much as possible with 1700-2800 lumens.
Here are example of Color temp and CRI…
Incandescent: 2700k 100 CRI
Tungsten Halogen: 3200k 95 CRI
Cool White: 4200k 62 CRI
Natural Sunlight: 5000-6000k 100 CR
Daylight Bulb: 6400k 80 CRI
Are there LED which has a color temp of 5000-6000Kelvin and CRI close to 100 with 1700-2800 lumens?
According to this site
The “Ideal” Reading light is that of daylight.
To match daylight it should have color temperature of 5000-6000Kelvin AND Color Rendering Index (CRI) as close to 100 as possible.
Here are examples of Color Temperature and CRI…
Incandescent: 2700k 100 CRI
Cool White: 4200k 62 CRI
Natural Sunlight: 5000-6000k 100 CRI
Daylight Bulb: 6400k 80 CRI
Are there LED lights which have 5000-6000K and CRI close to 100?
I am looking for an LED light which is like the “daylight” type of CFL used for reading. (not the desklamp type of LED but the one you put on the ceiling) It is for the study room which has white color paint all around about 15 x 15 x 15 feet in dimension.
I would like to inquire what type of LED lighting I can use for reading?
LED lights will be the best choice for you if you want to buy ligts.
Why I do so,now let me give you a example why I would personally go for 240 watts over 1000.If I use led for a 24 hour diner with a sign burning 24 hours a day.The 100 watt bulb would use 2400 watts of electricity a day,but the 24 watt LED bulb would only use 480 watts and gives a much brighter glow. So it can help you save many money.
Prices and availability are getting better, now yuo can buy some at home depot and walmart, i have been useing some small ones for over 2 years now , as I use solar power I need all the energy saving I can get. since I dont have a large array.
I bought 2 leds off of ebay a few yrs ago they worked for a couple of months and burnt out but i think both of them were enclosed and i didn’t know any better i have 3 more coming for my dimmable fan that currently have incandescent bulbs. Ive had an led in my fridge for about a yr now though with out any problems. I guess the oven dryver or the microwave wouldn’t be a good place for led bulbs. So the temp problem eliminates LED and i would assume OLED down the road as an end all solution. Meaning factories cant gear up for one solution which will make getting prices lower, more difficult. I think until the factories really gear up they will remain at least some what expensive and they will remain unused. If we could get the price down to ever 20 to 30 a bulb we might actually be getting somewhere. But like everything else it will take time and require peeps to make some changes and to be more educated.
I’d like to know if there is the one that replaces the 100 watt incandescent bulb. I also want to know the price because I want to buy at least 15 or 20.
We want to buy this type of LED bulb with lowest price in Myanmar.
May be we want to be a dealer for that product.
incandescent is better than any of these. sure they get hot but they are cheap and easily made and disposed of. these things waste tons of resouces (fans and liquid!!) imagine the factories that make these things, spewing out waste. (similar to a prius factory) incandescent factories are already up and running efficiently and the process has been perfected years ago. this technology is for tree huggers. when the price comes down and the technology is perfected they will be okay for the masses. the reward is not worth the cost, unless you think you’re saving the planet, which you’re not.
There’s really not a lot of negatives when it comes to LED lights with the exception that they don’t do well on shaded lights, I found that out in my rather large family room.
However they are great outside. We’ve been using them as indirect light on our patio and they add such a nice ambiance.
Wow! I think it could help a lot of people if they use that LED light bulb. It is affordable and you can save money. Plus it is not hazardous. Thanks for sharing. I’m looking forward to have that LED bulb.
LEDs have certainly saved me a lot of money and wasted energy! I’d recommend them to anyone.
I agree with you. Now our LED lamps http://www.bonbonelec.com/en/Index.asp are highly popular among our clients all over the world. They have saved much money for our clients and increased their business.
I’m hoping to have my outdoor christmas display all in LED this coming season.
Lots of valuable information. My neighbors switched to LED for their holiday display last year, what a difference. Brighter, sharper, just all around merrier.
I’m looking forward to being able to use LEDs for at least some of our home lighting as well. I worry about the flicker, though. The LED Christmas lights I’ve seen pretty much drive me insane. Do these more expensive light bulbs cycle at a higher frequency, hopefully?
So excited about LEDs
Are there any “flood lights” available?
Here’s an LED floodlight:
Here ‘s a flood lamp http://www.bonbonelec.com/en/Product_Show.asp?id=76
Do you like it?
I am so looking forward to the day that I can begin to purchase these LED bulbs. Are there any available that could be used as flood lights for out side of my house?
I have tried several LED varieties, but they have always come up short; too complicated, too expensive, to much to think about. All I want is a method of lighting areas, big, medium and small.
I just do not want to think about color temperature, fans or liquid cooling (sealing them in a fixture may cause damage, c’mon). I do not want a lamp where more light comes from the top than from the sides, rediculous (I want a spot or flood). C’mon, these things must be dimmable without changing the color temperature, etc.
LED has a long way to go as far as I am concerned, not ready for prime-time; not by a long-shot!
But when an LED can be purchased for a reasonable price, that gives me good plain eye pleasing light, I would be the first in line to get mine.
I lik e this inovation for good energy saving, it’s very important for save energy on earth and for environmentally friendly
Thats a nice comparison, 13w is quite an extreme drive for an LED lamp but its certainly a nice bit of kit. According to the image the beam angle looks pretty wide too which is something people overlook when purchasing LED units.