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Old 18.08.2015, 13:16
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Halogen to LED

I have arrays of halogen lights with GU10 and G9 sockets. Have been planning to switch to LEDs, but have waited until the technology improved. It seems there now a wide variety of products, but instead of helping me out, the assortments confuse me.

I designed and positioned my light fixtures base on particular halogen bulbs; 40-50W, 45 degrees, and dimmable. I'm not sure how to find the suitable LED replacements. The colour temperatures and lumens value seem misleading. Many of them cost over +CHF25 per bulb, and it would be terribly expensive to do this through trial and error. I may not even know if I will like it until after I buy and install it.

Has anyone successfully and happily switch from halogen to LED? Where did you get your bulbs, and how did you go about choosing them?

Is there a showroom around where you can compare products? Are there places to try and buy bulbs? If there isn't, I think there should be.
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Old 18.08.2015, 13:32
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Re: Halogen to LED

Hornbach have a big range and bulbs on display.

I converted a bunch of ceiling lights from 12V halogen to 240V LED (just remove the 12V transformer and replace with GU10 socket on a lead), and installed some fittings, using the Philips Essentials bulbs.

They give good light, but they aren't dimmable and the beam is narrower.

I've also tried Ikea bulbs, but found that they had a delay in turning on, which was very annoying especially when grouped with other brands.
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Old 18.08.2015, 13:43
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Re: Halogen to LED

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Has anyone successfully and happily switch from halogen to LED? Where did you get your bulbs, and how did you go about choosing them?

.
I've done a few by trial and error. Just buy one and see.

For example:

230V 50W GU10 20° Halogen

Changed to

230V 5W 400 Lumen GU10 LED Warm White
(Eglo 11423 from Landi)

Less than 10CHF each. That's why I chose them.


I should have changed earlier as a set of five 50W spots in a landing or hallway (where the kids like to play) doesn't half cost a lot in electricity.
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Old 18.08.2015, 13:53
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Re: Halogen to LED

I buy bulbs in Germany, mainly OBI. They have most of the bulbs on display. If not the staff are very helpful.


I switched one desk light to LED from halogen. It is used all the time so it made sense.


I have three track lights all with Halogen bulbs. I have been debating buying LED bulbs but these are not rooms where the lights are on for long periods of time and I cannot justify the cost of changing all the bulbs just yet.
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Old 18.08.2015, 14:09
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Re: Halogen to LED

OSRAM LED Reflektor PAR1650 5,3 Watt (50 W-Ersatz), GU10, warmweiß, dimmbar [Energieklasse A+]



I bought these to replace rows of 12V Halogen 50W. They are 240V and are dimable. On Amazon DE they cost 8,55 €.


I hit a problem - The sockets for the bulbs were too narrow because teh LED are fatter. So I have to replace the ceeling sockets (5 € each).


The replacement for none dimable bulbs was easy, just remove 12V transformed connect - finished.


The dimabale cicuits were more complicated as I had Gira controllers which were not compatable with LEDs had to find a suitable replacement.


I also did 12V kitchen lights, had to change the transformer (about 12 €) and then I replaced bathroom cabinet and extraction hub.



It was a miricle it all worked.


The smaller bulbs are not really mainstream but you can find them on amazon. If you need more details let me know
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Old 18.08.2015, 14:15
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Re: Halogen to LED

On final point out of the 40 bulbs I changed I had a problem with one (25 year bulb life!) it must have a manufacturing fault because it switches on and then and then every now and again flickers.

What happens in 20 years if one of them stops working do I still have a guarantee???????
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Old 18.08.2015, 14:27
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Re: Halogen to LED

I am finding the same. There are many variables that may cause the project to fail. Bulb size, transformers, sockets, etc. And that is even before you can determine if you like the outcome. I don't think I can test one bulb at a time. I'd have to outfit a whole array just to see if I like it.

I think for areas that are rarely used, its less particular. But for my kitchen, where I have the lighting perfectly as I want it, I may find LEDs a step backwards. So a lot of time and money could be spent on experimentation.

Seems like there is some use for an LED lab or LED rentals. I imagine there are LED consultants out there for this sort of thing.
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Old 18.08.2015, 14:42
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Re: Halogen to LED

I've replaced pretty much all the bulbs in our house with LEDs, although I've only found S19 bulbs in LED form relatively recently. The 12V halogens I've replaced with 12V LEDs but if you go down this route you need to replace the transformers as well (transformers for 40W bulbs don't work too well when supplying 3W LEDs, plus the power they give isn't clean enough for LEDs), but suitable transformers for LEDs aren't expensive. I typically buy in DIY shops when there is a special offer on, or from various French websites (note: I live in France).
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Old 18.08.2015, 14:43
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Re: Halogen to LED

The kitchen lights (in the shelves etc) were halogen downlighter spots (20W). The problem is they were too hot and kept blowing up!!!. I don't suposed it helped that I bought 20+ on ebay (you know the type no box all 20 in a platic bag, no manuafaturer etc.).

I bought LED Möbel Einbaustrahler Tim edelstahl gebürstet 3Watt warmweiß:
3200K / 200Lm IP20 Einbautiefe: 20mm / 1,8m Zuleitung + AMP Stecker [Energieklasse A]

These are good and work well for the rest of the kitchen lights I have ceeling spots which now are LED.

I did buy others!!!! which were horrible I sent them back to Amazon on the 14 day return with no questions. That was the only way to check if they would work.
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Old 18.08.2015, 15:04
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Re: Halogen to LED

Furthermore, I believe some bulbs emit their heat towards the front, while others emit their heat backwards, towards the socket. Using the wrong bulb on the wrong socket can cause it to overheat, malfunction, or break.

Refitting to LED isn't necessarily simple, is it?
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Old 18.08.2015, 16:08
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Re: Halogen to LED

maybe you're just overthinking. my parents have over 30 such downlights in their kitchen and i ordered 30 LED versions off ebay and just replaced them. no problems.

cheap as chips of ebay too.
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Old 18.08.2015, 16:44
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Re: Halogen to LED

The LED emit very little heat. The halogen type emit of Infra Red radiation which is heat, the LED very little and thus are colder.

Thus the 3W LED downlighters are not cold but say warm.

That why the colour of the light is inidicated in Kelvin because the warm light effect must come from the heat on a halogen with LED I assume that it is simulated?
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Old 18.08.2015, 20:18
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Re: Halogen to LED

We replaced a whole apartment full of 12W halogen and regular bulbs using LED replacements from Ikea - about 25-30 bulbs in total. They don't look quite as pretty but I'm glad the heat problem has gone. I always felt they were a fire risk. Some of ours can be dimmed and for some reason most of these worked apart from 2 bulbs on one X10 circuit. I think the current drawn was too low so just used normal bulbs to fix that problem.

We did not have to change any 12V transformers. Most were 125W and worked fine with much lower power bulbs.
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Old 18.08.2015, 20:55
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Re: Halogen to LED

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I buy bulbs in Germany, mainly OBI. They have most of the bulbs on display. If not the staff are very helpful.


I switched one desk light to LED from halogen. It is used all the time so it made sense.


I have three track lights all with Halogen bulbs. I have been debating buying LED bulbs but these are not rooms where the lights are on for long periods of time and I cannot justify the cost of changing all the bulbs just yet.
I also have some bulbs from Germany. I can't remember the price but they weren't expensive. I refitted a former halogen spot. I didn't need to re-wire anything as they are made especially for that voltage and fitting type. In fact they look exactly like halogen bulbs, the only way to tell them apart being that they don't get hot.

I also bought some regular 220V bulbs. I'm a bit less impressed with those as they are ugly as hell and the quality isn't too good either (it's all flimsy plastic stuff and you can easily pull them apart - the soldering inside looks as if a kid did it, and maybe one did?). Then I also bought some slightly more expensive ones that actually look like proper filament bulbs so I think next time I go back I'll get more of those.
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