Tiks izdzēsta lapa "Back of The Envelope"
. Pārliecinieties, ka patiešām to vēlaties.
I've recently been shopping for LED lightbulbs to substitute the varied bulbs we often use around here. For a while, my spouse was buying CFL bulbs, EcoLight home lighting but she bought uninterested in them, not so much for the quality of the light, however for the fact that their odd sizes and styles saved them from fitting where she wanted them. So she's been buying the energy-efficient incandescents instead. These use a small quantity of halogen (often flourine or EcoLight home lighting bromine) inside the bulbs, leading to a chemical reaction which redeposits the tungsten evaporated by the bulb onto the filament, which permits the bulb to be operated at the next temperature, the place it has better efficiency. The halogen incandescents are solely very slightly extra environment friendly than regular incandescents, although, and the GE ones, not less than, are also dimmer than the bulbs they're supposed to change. The 60 W replacements devour forty three W to provide 750 lumens reasonably than the standard 800 lumens, whereas the 100 W replacements eat 72 W to produce 1490 lumens fairly than the usual 1600 lumens.
Meanwhile, I should buy LED gentle bulbs that devour 9.5 W and produce 850 lumens, or 19 W and produce 1680 lumens. In math terms, they consume a quarter of the facility and produce about 15% more mild than the power environment friendly incandescents. I've long believed that LEDs were in all probability the light bulb of the longer term. They're more efficient than incandescents or CFLs, and final longer--twenty years, by commonplace measurements (which, unfortunately, don't actually contain ready twenty years and EcoLight home lighting seeing in the event that they nonetheless work). The issue is that LEDs price commensurately extra. I can purchase first rate high quality 60 W equivalent LED bulbs for $10-20 apiece, or spend $2.50 for an power environment friendly incandescent. And as for 100 W bulbs--not that way back, you could not buy 100 W equivalent LED bulbs at any price. That's changed, but they're still costly: $50 or more usually, though I've found a number of available for $30 apiece. A hundred W power environment friendly incandescents?
About $2.50 every for these too. Positive, the LEDs even have a 20 yr lifespan, in comparison with the one year of the incandescents, EcoLight however then once more, LED prices are coming down fairly shortly, so shopping for EcoLight home lighting incandescents this year and buying LEDs a yr from now would most likely save money in hardware prices. Not, though, when combined with electricity prices. So my compromise is to exchange the bulbs we use essentially the most--kitchen, living room, bedroom, with LEDs, and depart the remaining for a little while. One in every of the problems I've run into doing that's that quite a lot of pre-present light fixtures in our condominium use the candelabra bulbs, and finding LEDs for these is tougher--escpecially since it takes much more of them to fill the sunshine fixture (6, within the case of the 2 now we have within the residing room and dining room), and they're about the same value as 60 W bulbs. Luckily, I have discovered a fairly cheap possibility from Feit--a three bulb pack for $21.
These really work fairly nicely. They've a barely greater coloration temperature at 3000 K (which implies they're slightly extra white than the yellowish incandescents), however they are close enough for us. We get 300 lumen for 4.Eight Watts out of them. I have noticed that they activate a bit slower--most of them seem to take half-a-second to come back to life after flicking on the change, EcoLight home lighting which is often one thing you see in CFLs, not LEDs. And EcoLight home lighting one of the sockets will not work for any of the Feit LEDs for EcoLight some cause--I had to make use of a LED from one other firm (one in every of those costing $10-20). However it really works. And it seems to be just as shiny as the fixture in the dining room, where I am nonetheless utilizing all (non high effectivity) incandescents. The incandescents in the dining room. Within the kitchen, we have a five gentle 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 appear to be working nicely, I haven't bothered replacing them.
Tiks izdzēsta lapa "Back of The Envelope"
. Pārliecinieties, ka patiešām to vēlaties.