Again of The Envelope
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작성자 Terrence 작성일 25-08-17 12:33 조회 3 댓글 0본문
I've recently been shopping for LED lightbulbs to replace the various bulbs we usually use around here. For some time, my spouse was shopping for CFL bulbs, however she got uninterested in them, not a lot for the quality of the sunshine, but for the fact that their odd sizes and styles stored them from fitting where she wished them. So she's been shopping for the energy-efficient incandescents as a substitute. These use a small quantity of halogen (often flourine or bromine) contained in the bulbs, resulting in a chemical response which redeposits the tungsten evaporated by the bulb onto the filament, which permits the bulb to be operated at a better temperature, where it has better effectivity. The halogen incandescents are solely very barely extra efficient than common incandescents, although, and the GE ones, EcoLight outdoor at the least, are also dimmer than the bulbs they're presupposed to exchange. The 60 W replacements eat 43 W to provide 750 lumens relatively than the standard 800 lumens, EcoLight whereas the one hundred W replacements devour 72 W to provide 1490 lumens slightly than the standard 1600 lumens.
In the meantime, I can buy LED light bulbs that devour 9.5 W and produce 850 lumens, or 19 W and produce 1680 lumens. In math terms, EcoLight reviews they devour a quarter of the power and produce about 15% more light than the vitality efficient incandescents. I've lengthy believed that LEDs have been most likely the light bulb of the long run. They're more efficient than incandescents or EcoLight solar bulbs CFLs, and final longer--twenty years, by normal measurements (which, unfortunately, don't actually involve waiting twenty years and seeing in the event that they nonetheless work). The issue is that LEDs value commensurately more. I can purchase decent high quality 60 W equivalent LED bulbs for $10-20 apiece, or spend $2.50 for an power efficient incandescent. And as for one hundred W bulbs--not that long ago, you could not purchase 100 W equivalent LED bulbs at any price. That is changed, however they're nonetheless costly: $50 or EcoLight outdoor extra normally, though I've found a number of out there for $30 apiece. 100 W energy efficient incandescents?
About $2.50 every for these too. Sure, the LEDs also have a 20 year lifespan, compared to the one yr of the incandescents, however then once more, LED prices are coming down fairly rapidly, so shopping for incandescents this year and buying LEDs a yr from now would in all probability save cash in hardware costs. Not, EcoLight outdoor though, when combined with electricity prices. So my compromise is to exchange the bulbs we use the most--kitchen, dwelling room, bedroom, with LEDs, and leave the rest for EcoLight outdoor a short time. One in every of the issues I've run into doing that is that loads of pre-existing mild fixtures in our condominium use the candelabra bulbs, and finding LEDs for these is more difficult--escpecially since it takes a lot more of them to fill the sunshine fixture (6, EcoLight outdoor within the case of the two we've got in the living room and dining room), and they're about the same value as 60 W bulbs. Luckily, EcoLight outdoor I have discovered a reasonably low-cost choice from Feit--a three bulb pack for EcoLight $21.
These actually work pretty well. They have a barely higher colour temperature at 3000 Ok (which implies they're slightly extra white than the yellowish incandescents), but they're shut sufficient for us. We get 300 lumen for 4.Eight Watts out of them. I have seen that they turn on a bit slower--most of them appear to take half-a-second to come back to life after flicking on the swap, which is usually something you see in CFLs, not LEDs. And one of many sockets will not work for any of the Feit LEDs for some cause--I had to make use of a LED from another firm (one in all those costing $10-20). But it really works. And EcoLight reviews it appears to be just as brilliant because the fixture in the dining room, where I'm nonetheless utilizing all (non high effectivity) incandescents. The incandescents in the dining room. Within the kitchen, we now have a 5 light fixture which takes regular sized 60 W bulbs. Two of them have CFLs which my spouse put in a while in the past, and since they seem to be working nicely, I have not bothered replacing them.
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