25 Watt T7 / Candelabra Base / Clear Review

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(More customer reviews)The bulbs arrived in a reasonable time with no damage visible. The one bulb that I installed worked fine and I assume the others will also. Thier cost was reasonable but the shipping ($8.90 if I recall correctly) seemed a little high (twice the cost of the bulbs themselves). Overall, I am satified in that these bulbs were not available anywhere locally that I could find.

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130 volt incandescent products work with standard 110-120 volt household systems. The advantage of 130 volt products is that they protect the incandescent filaments from power spikes (the source of most incandescent bulb failures). 130 volt bulbs are slightly less bright than 120 volt, but offer substantially longer life.

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75 watt BLACKLIGHT BULB - Brand New Review

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(More customer reviews)This is a black light bulb - literally. It's NOT an ultraviolet light as you would expect from the name, it's a dark colored light bulb. Be forewarned, you're probably not going to get what you're expecting.

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Brand New.75 Watt Blacklight Bulb

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Feit Electric ESL40TN/D 42-Watt Compact Fluorescent High-Wattage Bulb, Daylight Review

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(More customer reviews)The 40W fluorescents (150-200W equivalent) are hard to find in most brick and mortar stores (they like to sell the smaller 40W and the 100W equivalents) so I was double-happy when I saw this one at Amazon. First, because Amazon carries it and second because it's available under super-savers' shipping.
Talking about the item itself:
- you WILL experience some delay when you turn it on but it's hardly noticeable, like maybe 1/10 of a second
- once it's on, unlike the 'cheaper' fluorescents that need to warm up, it shines at or close to full brightness immediately
- it's a bulky, significantly wider and longer than the 150W incandescent equivalents and it may not fit all fixtures where a regular 150W bulb used to fit
- does not work well with a dimmer - it's either on or off [I tried it with one and it did come on at full brightness but something is telling me that you may shorten its life when used this way]
- the light is bright, so bright, I would not stare at it directly - I did once and I saw 'ghosts' for the next 15-30 minutes
- the color of light is closer to 'solar' than what our 'incandescents' deliver, less yellow, more blue
- unlike neon lights, there's no flicker
- it consumes less power when compared to an incandescent
The above were my subjective comments. Here are the specs, as the manufacturer lists them:
- Light output: 2800 lumens
- Energy used: 42W
- Life: 8000 hrs.
- Color temperature: 6500K
- Electric charge: 610mAThe major issue I have with the fluorescents is their lifespan. Maybe I am unlucky but, after replacing nearly all my light bulbs in the house - a few dozen - they seem to burn out more often. My first couple 40W I bought a few years ago (a different brand), in fact, died after about one year, I hope this is not the case again because we are paying top dollar for these environmentally nice devices.
So far, I see no reason not to award this bulb 5 stars but, if it dies on me before 2-3 years, I promise to come back and update my review. For the record, the maker promises a 7-year lifespan and $152 (???) savings per bulb.
______________________________________________________________
January, 2011 update:
On their 20th month, they (I bought a 2-pack) are as bright and shiny as on 'day one' and they've been on for many hours because I telecommute most of the time and my office is in the basement. I haven't done the math but it's likely that they've paid for themselves already.
I bought 2 more in December, 2009 and no burnouts yet.

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40W twists compact fluorescent lamp medium screw base

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7W LED Incandescent Replacement Light Review

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(More customer reviews)I rarely write reviews but I felt compelled to write one for this product. I purchased this 7W LED bulb one month ago. Being an engineer, I spent a great deal of time reviewing LED bulbs before deciding to purchase this one. Before I provide my review of the LED bulb, I want to provide some clarification. Having read the other reviews where some people said that they received something different than what was pictured, I decided to e-mail Priority Energy and Lighting before I placed my Amazon order. I was pleasantly surprised that Paul Prior, the CEO and president of Priority Energy and Lighting e-mailed me back the very next day. He told me that they used to sell the frosted globe that is pictured above but he said that most people preferred the clear glass. Paul also said that I could still order the frosted glass version but I would have to go through their system and not Amazon's site. He said that the frosted version available through their system is 2,700K (yellow, warmer color, typical color of incandescent, and frosted). If you are interested in purchasing the frosted version, you can contact them at priorityled DOT com. I agree with other people that the photo of the LED bulb on Amazon's site should match exactly what people are going to receive. In the product description, they could let people know that the frosted version is also available but you have to go through Priority Energy and Lighting directly to purchase the frosted version.
Ok, now to my review of the clear glass 7W LED bulb that I ordered through Amazon and I knew was going to be clear before I placed my order. I am extremely happy with this bulb. It replaced a 13W Compact Fluorescent Light bulb (CFL) in a standard lamp that is the primary light in our living room. It definitely has the lumens to be a 60-70W replacement. Compared to the 13W CFL bulb that was in the lamp before, there is virtually no difference in lumens. As some people have mentioned, the light may be a little harsh depending on where it's going. For me, it went into a lamp that has a cream-colored shade and while the light is a little more white compared to the previous CFL (in the same lamp with the same shade), the difference is so minor that I don't think many people will notice much difference. Especially if it's going into a fixture with a shade covering it. If you are considering putting this LED bulb into a fixture that has no shade such as a bathroom vanity light, you might want to consider going directly to Priority Energy and Lighting to purchase the frosted version. As someone else mentioned, this LED bulb is a little big and it barely fit inside the lamp where the previous CFL easily fit. The LED bulb turns on immediately and there is no warm-up time or subtle flicker that some older CFL bulbs have. I could not be happier with this LED bulb and I would buy it again without hesitation. Since this LED bulb is in the primary lamp in our living room, we're saving 6W several hours each night compared to the 13W CFL bulb that we were previously using. I'm looking forward to when the price comes down so that I can buy more of this same bulb to replace other CFL bulbs that are throughout our house.
Update 11/23/10: We have been using this LED bulb for several hours every single evening now for over 6 months and it continues to work great. Zero issues and I would still buy it again without hesitation.

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The INCU7W product gives great 360 deg light and will light an entire room with only drawing 7W of electricity. You and your family would not even be aware that you have an LED product in the lamp or light fixture as the color of the light is matched to the traditional incandescent light bulb. The bulb turns on immediately and will dim on electronic low votage dimmers easily available. This is the greatest LED replacement product for incandescent light bulbs and is very popular.

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50 WATTS MR16 GU10 BASE EXN FLOOD HALOGEN LIGHT BULB WITH LENS COVER 120 VOLTS LONG LIFE 36 DEGREE BEAM SPREAD Review

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(More customer reviews)This product is exactly what it says it is, but I wish I'd looked at the description or picture more closely.
These work perfectly for what they are intended for, but note that the beam is rather narrow (36") and that the inside coating is reflective, rather than translucent. I bought these for a chandelier with translucent glass shields, and I didn't realize that translucent bulbs are really important for this use. These reflect a greater amount of light towards the subject and thus less into the rest of the room through the translucent glass. But that was my bad, not the bulbs. The bulbs are, as I said, exactly what they say they are and I didn't sufficiently appreciate what I should have for my application.

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50 WATT MR16 EXN FLOOD FRONT GLASS HALOGEN LIGHT BULB - 120 VOLT - GU10 BASE - 36 DEGREE BEAM SPREAD - Industrial Grade MR16 halogen lamps last up to 4 times longer than standard halogen bulbs! Industrial Grade MR16 halogen bulbs use a quartz envelope for durability and pure tungsten for longer life. Precision reflectors provide excellent light control with a fluted mirror for accurate beam spread.

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Dimmable E26 A60 Standard Household Base 50 Watt Incandescent Light Bulb Replacement with a 6 Watt LED, Warm White, 1012ww Review

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(More customer reviews)I purchased this A60 Dimmable E26 Bulb because it specifically says 'dimmable'. Most CFL (compact fluorescent lamp) and LED lamps are not compatible with dimmer switches designed for incandescent bulbs. They will either be damaged immediately, or their life spans will be severely cut short when plugged into light sockets controlled by incandescent dimmers.
As it turns out, this LED lamps works very well:
- At 100% power, it emits a bright white light in the forward-facing direction. The color temperature is not quite as warm as a 60W incandescent bulb or a 'warm-white' CFL lamp, but is a lot warmer than the typical bluish light emitted from a 'pure-white' LED lamp.
- At the lowest power, the LED lamp dims down to less than 10% of its full brightness, while still maintaining the same color temperature. In contrast, a 60W incandescent bulb gives out a faint red glow at the same dimming level. (See my customer images for brightness comparison)
The dimming range of this LED lamp is superior to any so-called 'dimmable CFL' I have tried (which usually turns off below 30% power). However, there are several 'issues' you should be aware of. Some for this LED lamp in particular, others for LED lamps in general:
- This LED lamp contains a large heat sink that covers half of its body. The actual LED board is attached to the heat sink using two small screws. The problem is that their screw threads are all messed up and one screw fell out. Lucky for me I tested the lamp in downward-facing configuration, so I was able to spot the loose screw inside the glass dome. Had I tested the lamp in upward-facing configuration, the loose screw would land on the LED board and possibly ruin the lamp.
- The beam it produces is highly directional. The view angle is 165-degree, which is wider than a flood-light or a spot-light, but much narrower than an omni-directional (360-degree) incandescent bulb. What this means is if you use them in your chandelier with lamps facing upward, your ceiling will be brightly illuminated, but the area directly underneath will be quite dim. On the other hand, this directional beam makes it ideal for use in downward-facing recessed light fixtures.
- The total light output (luminosity) is only 260-300 lumens (*). Strictly speaking, this is only comparable to the luminosity of a 25-30W incandescent bulb. However, because the light from this LED lamp is concentrated in the forward direction, it appears much brighter than a 60W bulb - as long as you stay in front of the LED lamp.
Finally, let's consider the energy-saving claim of LED lamps. LED lamps currently on the market are 5-7 times more efficient than incandescent bulbs, but the price is very high at around $5 per watt. So it may take many years for the energy saving to offset your initial investment. For example: suppose you replace a 40W incandescent bulb ([标签:Content].50) with a 6W LED lamp ($30), and your electricity rate is [标签:Content].12 per KWh, then it will take nearly 7000 hours to make up the price difference. In contrast, CFL are 'only' 3-4 times more efficient than incandescent bulbs, but they cost much less. So if you replace a 60W bulb with a 14W CFL ($2.5), then it only takes 360 hours to get your money's worth.
This is not to say that you should not replace your ancient incandescent bulbs with more efficient light sources. Just that you must have a realistic expectation on the luminosity and efficiency claims of LED lamps in general. In some cases, CFL may be a better choice - just remember to recycle burnt out CFL bulbs properly.
(*) Update on June 16, 2010:
The product page now says "Light output: 380-420 Lumens".
Update on Sep 9, 2010:
I purchased my second LED bulb and it has the same brightness as the first one. So I can't tell whether the light output has always been 400 lumen, or this is just another example of creative 'Spec-men-ship'.

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So many of our customers have been asking for a fully dimmable standard replacement light bulb in the 40-50 watt light output range and after a lot of searching, we are pleased to finally be able to offer one that has the high quality and reliability you've come to expect. This bulb is the perfect screw in replacement for all your lighting applications that call for light output in that very popular 40-60 watt range. This is an A60 type bulb with an E26 base (which means it'll fit a standard light bulb socket). It has self contained heat sinks as part of its design and could function as a stand alone designer bulb due to its beautiful shape and appearance. This is the bulb to use wherever you need dimmable lighting in the 40-60 watt range and is also available in White.

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Full Spectrum Light Bulb - ALZO 27W Compact Fluorescent - Case of 4 - Daylight Balanced 5500K - Pure White Light Review

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(More customer reviews)I am an engineer who has been completely disgusted with the home lighting situation. There are no standards and many misstatements and counterdictions at the stores. I own a Minolta flash meter which accurately measures a lights color temperature. I've tried the bulb technology at Walmart, Sams Club Home Depot and Lowes. The most glaring examples:
1) yellow light is called soft white (2700)
2) very blue washed-out color light is called daylight (6000-6500)
3) Low lumen (400-600 lumens) LED lights go for as much as $90!
4) Some bulbs are advertised as white but the chart on the back shows its yellow. Go Figure!
Here are the bulbs to avoid: all (harsh washed-out blue) daylight, and (yellow) soft white. The GE Reveal offers somewhat better clarity, but is overpriced and quite yellow.
Full spectrum (5000-5500) bulbs are a step-up but stores offer a very limited selection. The Home Depot full 100w spectrum's beats the Lowe's Ott-Lite.
On the LED front Sam's Club carries a 520 lumen, 4100K, 9 LED PAR38 reflector which has a easily noticeable smoother light spectrum. Great for the one light on in the kitchen in the evening. The equivalent $70 LED lights at the hardware store are hardly a bargain, as the Sam's is $20! However its Color Retention index (CRI)is only 74.
The best of all are lights are these 5500K Alzo's. I've installed a 45w in the kitchen pantry and the color of the food boxes really pop. Food looks like it does in the magazines. The clarity is first rate (however 27w should be sufficient). They are the reference to which others are to be compared. My wife has not complained even when they are on at night-time. This is a first.
Skin tones in the bathroom look very natural. A first again.
Color temperature alone is not the sole basis to buy a bulb as a high CRI is also required. The Alzo's come in at 92, which is very high. Most manufactures do not even list this measurable figure (assume because its too low).
I've been testing other bulbs. For vanity and lamps (Alzo does make any) these offer a VERY uniform ball of nice white 5000K glow. I ordered 12 for my new house's bathrooms:
Maxlite 14 Watt G30 Globe CFL DL SKM14EGDL
For kitchen these are now the best 5000K PAR lights. Not as high of color quality as Alzo, but they don't make reflector lights!
Maxlite 23 Watt CFL R40 Flood Day Lite SKR423FLDL
In summary best home lights are the Photo CFL which offer both a 5000-5500K range with a CRI over 90. Further these bulbs allow for brighter rooms, as compared to hardware store types. That is, the more pleasing light allows for greater brightness levels, so go for the 45watt bulbs in larger pantries or rooms.
Thanks go to Amazon and Alzo for allowing consumers to purchase superior quality products at a price no higher than the unpleasant and unsatisfying bulbs in the store. Hope this helps!

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Case of 4 full spectrum light bulbs that imitate daylight, are energy star compliant, and have a long life at circa 10,000 hours with 1300 Lumens output; low energy consumption, good for treating Seasonal Affective Disorder S.A.D., for photo studio lights, or for starting plant growth. These are Compact Fluorescent Light (CFL) bulbs. Fits all medium-base E27/E26 sockets, but this is a large bulb that might create a fit problem with standard lamp harps of household light fixtures; a larger lamp harp is needed, see ALZO 9" harp, ASIN B0035LTIZE. Dimensions: L: 6.5"; W (Diameter): 2 1/4"; Length socket base to top of ballast: 2 3/4"; W (diameter) of socket: 1".

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27 Watt - 4 Pin - Full Spectrum CFL Replacement Bulb - Verilux CFML27VLX Review

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(More customer reviews)I have one from an original Verilux's fixture and the included bulb burned out in less than 2 months. Then I replaced it with another brand's bulb.
In terms of form factor, as long as it has a GX10Q-4 base (sometimes called "linear quad" or "4 pin F quads"), any replacement bulb should fit *EDIT* but please see the discussion in the product "comments" below for a brand that works and another that doesn't. I do not know why there can be so much variation in a socket specification...
In terms of light quality, as long as it's 6000K, you may not see a difference unless you do a side-by-side experiment. Sure, Verilux will claim that they are "full-spectrum", but you can read the spectroradiometer output yourself if you search for "solux verilux". I won't go so far to claim that all 6000K Compact Fluorescent Light bulbs on the market are the same. They may vary in the chemical composition and hence the color temperature. (Verilux measures 5700K in my experiment and a competitor's at 5900K. Note that most people prefer warmer temperature so indeed 5700K is more preferrable.)
Having used a different brand's replacement myself, there is very little difference in Verilux's bulb to justify the much higher price (more than double if you shop around) when compared to competitors. Your choice.

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This Verilux CFML27VLX Natural Spectrum Bulb features 10,000 hour, 27 watts. It is for use with the following Verilux Lamps: Heritage Deluxe Floor Lamp, Original Deluxe Floor, Desk and Clamp Lamps, Portable Lamp, EasyFlex® Floor Lamp, Modern, Princeton, Princeton Executive and Shelburne Desk Lamps, Princeton and Shelburne Floor Lamp, HappyEyes® and HappyEyes® Deluxe Floor, Desk and Clamp Lamps, Oreck 3-in-1

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Dimmable Par20 5 Watt LED Spot Light Bulb Replacement for Incandescent Halogen Track Lighting, Recess Light, E26 Standard Screw Base, Warm White, 1321ww Review

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(More customer reviews)Finally, a bright-enough LED par20. I replaced 50W halogens for almost the same light output. They dim great (Lutron electronic dimmer, don't know the model). They CAN be installed with halogens at the same time and will dim together fine, which is great for the undecided or for the ones who don't want to fully commit to a slightly colder color. (They aren't quite warm white, but close)
I'm sure that as my review ages, my rating will go down for them, but right now, these are hands down the best energy efficient par20 dimmables for the price. CFL dimmables do exist and cost half of these upfront, but they tend to die fast. Maybe I have bad luck, but dimmable CFLs are known to have much shorter lives when cycled often.
For me, the big win is that in California, energy is really expensive. For a typical bill, the last 100kWh of the month costs me 35 cents per kwh. These let me reduce electric consumption in kitchen lighting from 45kwH per month to 4kwH. That's $14 a month, or $168 a year. They'll pay for themselves pretty quickly, though I'm sure I'll leave them on more now.
The bulb is never more than slightly warm to the touch. My recessed lights are 18 inches above my head, so I could always feel the heat when under the halogens. It never bothered me, but with these, you won't get that.
Overall, the only downside for me is the slightly colder light temperature. Not quite as warm white as I'd like, but certainly not white. But the fuzzy feeling of saving money makes it warmer.
The light is a bit less diffused than a standard halogen, so it may create dark shadow spots depending on your setup. You can get around that by mix/matching these with halogens, and they'll still dim just fine.

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This is a 110vac dimmable led spot light bulb. This dimmable led light can be used with ordinary incandescent dimmers. . It uses 5 high power 1 Watt BridgeLux LEDs to project an extremely bright beam of light. It is available in cool white or warm white. The deep thin-fin aluminum body reduces the weight and provides more effective cooling to increase the light output and extend the life of the LEDs. The bulb has an expected life of 40,000 hours.These led light bulbs are great in track lighting, canister and recessed fixtures. Use to replace 40 watt incandescent or 50W halogen floodlights and reduce energy use up to 75%.Operating Voltage:110-120 Volt ACConsumption:40-50 WattProduct Diameter:2.375" or 60mmProduct Length:3.735" or 85mm

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