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Back Of The Envelope
โดย : Corey   เมื่อวันที่ : พุธ ที่ 3 เดือน กันยายน พ.ศ.2568   


<p><img style="clear:both; float:left; padding:10px 10px 10px 0px;border:0px; max-width: 400px;" src="https://media.istockphoto.com/id/1158645791/photo/illuminated-domestic-led-light-bulb.jpg?s=612x612&amp;w=0&amp;k=20&amp;c=42xdIkOhMJYpMpaptK2FSgJRFU2bsYtWl3UDGdarekE=" alt="Illuminated Domestic LED Light Bulb A LED light bulb photographed on a black background led bulbs stock pictures, royalty-free photos & images" loading="lazy">I've lately been buying LED lightbulbs to replace the assorted bulbs we usually use around right here. For a while, my wife was buying CFL bulbs, <a href='https://enplan.page.place/bbs/board.php?bo_table=free&wr_id=681432'>EcoLight home lighting</a> but she acquired tired of them, not a lot for the standard of the light, however for <A HREF="https://wiki.armello.com/index.php/Prime_5_Benefits_Of_Upgrading_To_LED_Auto_Lighting">EcoLight brand</A> the fact that their odd shapes and <a href="https://wavedream.wiki/index.php/Selecting_The_Best_Bulbs_In_Your_2025_Chrysler_300C:_Halogen_LED_Or_HID">EcoLight home lighting</a> sizes stored them from fitting where she wished them. So she's been shopping for the vitality-environment friendly incandescents instead. These use a small amount of halogen (usually flourine or bromine) inside the bulbs, leading to a chemical response which redeposits the tungsten evaporated by the bulb onto the filament, which allows the bulb to be operated at a higher temperature, the place it has higher efficiency. The halogen incandescents are solely very barely extra efficient than regular incandescents, although, and the GE ones, at least, are also dimmer than the bulbs they're speculated to substitute. The 60 W replacements eat forty three W to provide 750 lumens relatively than the usual 800 lumens, while the a hundred W replacements devour 72 W to supply 1490 lumens fairly than the standard 1600 lumens.</p><br><br><p><img style="clear:both; float:right; padding:10px 0px 10px 10px; border:0px; max-width: 400px;" loading="lazy" src="https://image.shutterstock.com/image-photo/led-bulb-held-by-hand-260nw-2540609301.jpg" alt="">In the meantime, <a href=https://bonusrot.com/index.php/Hyperlink_A_Number_Of_Strands_For_Particular_Venue_Lighting>EcoLight LED</a> I can purchase LED mild bulbs that devour 9.5 W and <a href="http://mecosys.com/bbs/board.php?bo_table=project_02&wr_id=6113768">LED bulbs for home</a> produce 850 lumens, or 19 W and produce 1680 lumens. In math terms, they eat a quarter of the facility and produce about 15% extra gentle than the power efficient incandescents. I've lengthy believed that LEDs had been most likely the light bulb of the longer term. They're extra environment friendly than incandescents or CFLs, and last longer--twenty years, by commonplace measurements (which, unfortunately, do not truly involve ready twenty years and seeing in the event that they nonetheless work). The problem is that LEDs value commensurately extra. I can purchase first rate high quality 60 W equal LED bulbs for <a href="https://systemcheck-wiki.de/index.php?title=The_Final_Word_Guide:_Where_To_Recycle_LED_Bulbs_Responsibly">EcoLight home lighting</a> $10-20 apiece, or spend $2.50 for <a href="http://47.105.52.226:10080/rafaela95x0503/ecolight-solutions1993/wiki/Why-are-they-Changing-all-of-the-Visitors-Lights-in-My-Town%3F">EcoLight</a> an energy environment friendly incandescent. And as for a hundred W bulbs--not that way back, you could not buy one hundred W equal LED bulbs at any value. That's changed, but they're still expensive: <A HREF="https://dirtydeleted.net/index.php/Find_Out_About_LED_Lighting">EcoLight home lighting</A> $50 or extra normally, although I've discovered just a few available for $30 apiece. One hundred W energy environment friendly incandescents?</p><br><br><p>About $2.50 every for those too. Sure, the LEDs even have a 20 yr lifespan, compared to the one 12 months of the incandescents, however then once more, LED costs are coming down fairly rapidly, <a href="https://certainlysensible.com/index.php/User:FranchescaV08">EcoLight home lighting</a> so buying incandescents this year and shopping for LEDs a yr from now would probably save cash in hardware costs. Not, although, when combined with electricity prices. So my compromise is to change the bulbs we use essentially the most--kitchen, residing room, bedroom, with LEDs, and depart the remaining for a little while. One in all the issues I've run into doing that's that a number of pre-existing gentle fixtures in our condominium use the candelabra bulbs, and discovering LEDs for those is more difficult--escpecially since it takes a lot more of them to fill the light fixture (6, within the case of the two we have within the residing room and dining room), and they're about the identical worth as 60 W bulbs. Fortunately, I have found a fairly low cost choice from Feit--a 3 bulb pack for $21.</p><br><br><p>These really work fairly properly. They have a slightly higher coloration temperature at 3000 K (which implies they're slightly extra white than the yellowish incandescents), but they are shut sufficient for <a href='https://wiki.roboco.co/index.php/One_Drawback_Might_Have_Been_Sedate'>EcoLight home lighting</a> us. We get 300 lumen for 4.Eight Watts out of them. I've noticed 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 the sockets won't work for any of the Feit LEDs for some motive--I had to make use of a LED from another company (one of those costing $10-20). However it really works. And <a href="https://git.k-corporation.org/adriennebeauli">EcoLight</a> it appears to be just as bright because the fixture in the dining room, the place I'm still using all (non high effectivity) incandescents. The incandescents in the dining room. Within the kitchen, we have now a five mild fixture which takes normal sized 60 W bulbs. Two of them have CFLs which my wife put in some time in the past, and since they seem to be working nicely, I haven't bothered changing them.</p>

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