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Possibly daft question about light bulbs

21 replies

wowfudge · 23/01/2019 20:16

Looking at replacing non LED bulbs around the house with LEDs. I have a handy guide I pinned in Pinterest (so I get LEDs of equivalent brightness) but: are the coiled type of bulb LEDs or something different? I mean this kind of thing.

Possibly daft question about light bulbs
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dementedpixie · 23/01/2019 20:18

They are energy saving bulbs. I have had some like that on the past

Haggisfish · 23/01/2019 20:20

Leds are different to those coiled ones.

wowfudge · 23/01/2019 20:21

Okay - thanks. How do they compare to LEDs? I'll get the duplicate post removed btw - the first one said it failed.

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Haggisfish · 23/01/2019 20:44

LEDs are much better.

wowfudge · 23/01/2019 20:56

Apparently the coiled ones are compact fluorescent bulbs - someone kindly responded to my duplicate thread just before it was deleted. Do you know how much more energy efficient LEDs are?

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Missamyturtle · 23/01/2019 20:56

We changed all the lightbulbs in our house to LEDs it cost a bomb! But we’d put in an extra floor plus 3 6-arm chandelier things and we were blowing a couple a week!

LEDs use so much less energy it doesn’t blow the system any more. Haven’t had to change a bulb for over two years!

SciFiRules · 23/01/2019 20:58

These are compact fluorescent lamps or CFLs. They suffer slow start issues, taking some time to reach a stable brightness and colour output. Also they can suffer from flicker issues. They are still common but leds have improved and fallen in price recently and present a better more cost efficient option in many cases.

SciFiRules · 23/01/2019 20:58

X post!

wowfudge · 23/01/2019 20:59

I had a thread asking about the savings earlier in the week and a poster replied with calculations that showed LED bulbs could pay for themselves within a year, based on two hours use a day. It was quite an eye opener.

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Kimlek · 24/01/2019 05:50

I’ve been wondering about this too so thank you. How do you work out what brightness LEDs you need as there’s a whole host of different ‘lumens’ stated on packaging.

MyDisposableUsername · 24/01/2019 06:05

LED bulbs are more energy efficient than the CFL coils, and also CFLs are a nightmare to dispose of safely, since they contain mercury. Switch to LEDs.

Don't the packages of the LED bulbs quote an incandescent equivalent, as well as lumens? In any case, very approximately, ~800 lumens will give you the equivalent illumination of a 60W incandescent bulb, at about 10 or 11 Watts. ~450 lumens is about 40W equivalent, but only using 6 or 7 Watts.

wowfudge · 24/01/2019 06:27

This might help

Possibly daft question about light bulbs
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wowfudge · 24/01/2019 06:30

And this on Kelvins

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Belindabelle · 24/01/2019 09:34

Do the LED bulbs give a warm white glow.

I can't stand that cold blue bright white light. Gives me a migraine. I think most of our bulbs are halogen but imo they last no longer than the old filament bulbs.

wowfudge · 24/01/2019 09:53

We have warm white LEDs where we have them. Cool white is too harsh. I haven't tried the daylight ones.

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NigelsBird · 24/01/2019 11:02

I have a question for those who are knowledgable about bulbs!
My bedroom ceiling lampshade says max 60W bulb. I don't find this bright enough for putting on makeup as it's quite a big room. I would like to put in something brighter. If I buy an LED bulb with an equivalent brightness to an 100W traditional incandescent bulb but running on only 11 or 12W of power, will this be ok with the lampshade?

I have noticed that the new LED bulbs hardly get hot at all - and I imagine the heat of a traditional bulb is why the 60W restriction existed on light fittings - am I right?

NigelsBird · 24/01/2019 11:04

Yes, @belindabelle you can usually choose from warm white, bright white or day light bulbs, whiter and brighter in that order I think?

dementedpixie · 24/01/2019 11:25

I've seen warm white and daylight in the led bulbs I buy. I have daylight ones in my kitchen

wowfudge · 24/01/2019 11:28

@Nigelsbird - yes, you can upgrade to a brighter LED. As you say, they don't get hot and the wattage is lower.

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SocialSparky · 24/01/2019 14:39

@Nigelsbird The answer is a bit more complicated than, "yes you can go bigger". If it's an open bulb fixture you should be okay but if it's enclosed you must make sure the bulbs are rated for use in an enclosed fixture. The reason for this is that LEDs are sensitive to high heat and they will not last very long if they are constantly overheating.

wowfudge · 24/01/2019 15:57

The pp stated it was a lampshade.

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