Here, we review 14 general lighting service lamps, which are used in most household light fittings. Our latest test includes compact fluorescent and LED lamps in wattages from 7W up to 15W.
On this page, you'll find:
This batch of lamps has now been on test for 1000 hours – the equivalent of about seven months, assuming five hours' usage per day. Most are performing well so far, with no failures and no significant fading in light output.
LEDs look set to replace CFLs over the next few years as LED lamp technology improves, prices head downwards and concern about the mercury content of CFLs increases. However, LEDs are still comparatively expensive to buy, and those on test range in price from about $20 to $95 per globe. Also, there are few, if any, models in the standard bulb shape with very high light output (more than 1300 lumens, or 100W equivalent).
CFLs are susceptible to failure if switched on and off too frequently, while LEDs, in general, are not. After testing our previous batch of lamps we put them through a rapid switching test. This involved switching them on and off continuously for 454 hours (almost 19 days) on a cycle of 30 seconds on and four-and-a-half minutes off.
Of the seven CFL models in that test, three suffered failures and of the eight LED models, only one suffered a failure.
LEDs clearly have an advantage over CFLs when it comes to rapid switching, although it’s best to avoid switching lights on and off too often. If you’re going in and out of a room several times in a short period (say 15 minutes), you’ll probably get better life from the light by keeping it on for the duration rather than switching it on and off each time. Where you have less control over a light’s switching pattern, such as with a motion-activated security light, an LED or halogen lamp is likely to last a lot longer than a CFL.
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Note: most people probably still refer to CFLs and incandescents as "light bulbs", and think of a "lamp" as the light fitting on their bedside table. In fact, as pointed out by CHOICE members in the comments, "lamp" is the technically correct term for what we used to call light bulbs, and the report uses this term accordingly.
Brands and models tested
- Black and Gold Energy Saving Lamps BG15W-3ES *
- Crompton Lighting XL-LED Opal Eco XL-ECO10ES3K 27144
- Crompton Lighting XL-LED Performance 27098 XL-7.5ES27
- Ecobulb nano 5446 *
- GE LED Snowcone A19 68509
- Megaman Dimmable LED classic LG1610dv2
- Mirabella LED GLS Dimmable LGLSBLIBC2712D
- Mort Bay LED Globe 12997
- Olsent FLE14HLX/827 723475 *
- Philips myVision 9290002165
- Prisma PRI-VT-12W-E27-CW
- Sylvania Toledo GLS A60 Dimmable Eco 026002
- Verbatim Classic A 64188 0912204
- Viribright LED Bulb 73413
Models marked with an * are CFLs, all others are LEDs.
Previously tested models
- Black and Gold BG15W-1E
- BYD 6.9W LED Globe
- CLA Longlife dimmable LED Lamp 12W
- Coles Mini Compact Spiral Lamp V04492/ EEMSES-15
- Crompton Lighting XL-LED Performance XL-7.5ES27
- Envirolux 20W ES CFL 2700K
- Envirolux Lucci 8000hr
- GE FLE15GLS/T3/827/E27
- GE FLE15HLX/827/B22/T2
- GE FLE15TBX/827/E27/T3
- Lightstar CFL3
- Lightstar GLS 25605
- Lightstar GLS 25606
- Megaman Compact Classic GSU115i-ES-27K
- Megaman GK715d
- Megaman Zenia Tubular WL1514
- Mirabella EEMSES-15
- Mirabella EEU-15
- Mirabella Energy Saver Petite 18W
- Nelson Aladdin Mini 20W
- Nelson Aladdin Mini MELQAL15BCS
- Nelson Aladdin Mini MELQAL15ESS
- Nelson Dimmable MELSD15BC
- Nelson Little Greenie Energy Saver MELTG15ES
- Osram Dulux EL Longlife 15W/827
- Osram Dulux Superstar Micro Twist 18W
- Osram Duluxstar Minitwist 13W/827
- Osram Duluxstar Twist 13W/827
- Osram LED Parathom Classic A 40
- Osram Micro Twist 14W/865 E27
- Philips Ambiance AMB14WWWES
- Philips Genie 18W WW E27
- Philips Genie GENIE14WWWES
- Philips MASTER LEDbulb MV dimmable 12W
- Philips Tornado TND12WWWBC
- Prisma LED PRI-HO-7W E27 WW
- Sparsam Low Energy Bulb 001.314.16 20W
- SPARSAM Low Energy Lamp 30149453
- Sylvania LED A60 GLS
- Sylvania Mini-Lynx Twister 20W B22
- Sylvania Mini-Lynx Twister 615223
- Verbatim LED Classic A Superior
- Woolworths Essentials FE-11SB-14W
- Woolworths Essentials N3UN15
How we test
Our test is based on the Australian Standard for self-ballasted lamps. The lamps on test are a mix of screw and bayonet fittings; all are “warm white”, but wattages vary. Our tester, James Thomson, installs 10 samples of each model in a rig of 150 light fittings, and burns them in for 100 hours. The lights are then put into a continuous switching cycle of 165 minutes on, then 15 minutes off, so they are on for a total of 22 hours per day.
Light output James measures the light output of the lamps after the 100-hour burn-in, then again after 1000 and 3000 operating hours.
Switch-on time is the time taken to start giving out light. In our test of CFLs in 2000, we found some took up to three seconds to activate. However, all the lamps in recent tests activated almost instantly, so James hasn’t measured the actual times.
Warm-up time shows the time taken to reach 80% of maximum brightness. CFLs usually take about 30 seconds or less, which is acceptable but still much slower than incandescent or LED lamps, which reach maximum brightness almost instantly. Some CFLs have long warm-up times of several minutes; this doesn't necessarily mean they are noticeably dim to start with, but rather that they can take a long time to stabilise at their maximum light output. LED lamps switch on immediately at maximum brightness then dim a little over the next few minutes (not enough to be noticeable to the naked eye).
Failure rate James regularly checks to see if any lamps have failed (either dying completely or dimming so much that in normal usage you’d replace them). Claimed life expectancy for CFLs typically ranges from 6000 to 15,000 hours; LED lamps claim 20,000 hours or more (often 35,000+).
For more information about Saving energy, see the Power and energy section of our website.
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