Ask Umbra: Watts up with Lightbulbs? > 자유게시판

• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

A nonprofit, impartial media organization dedicated to telling tales of climate solutions and a just future. Ask Umbra: Watts up with lightbulbs? A reader wonders which sort of lightbulb is greenest. Umbra sheds some mild. Ship your question to Umbra! I do know you’ve written about lightbulbs earlier than, however it looks like there are tons of latest choices on store shelves. Are incandescents even being offered anymore? And what about LED lights? I tried some a number of years in the past and, in addition to being hella expensive, the light they gave off was cold and blue and institutional - I couldn’t stand EcoLight home lighting it. Are there different low-energy varieties? Which kinds of bulbs work with dimmers? Can you - ahem - shed some light on this confusing topic? Grist thanks its sponsors. To support our nonprofit environmental journalism, please consider disabling your advert-blocker to allow adverts on Grist. Thanks for EcoLight home lighting reminding me that it’s time for our semi-demi-hexi-annual revisitation of the lightbulb matter.

And EcoLight what higher day than Earth Day to undertake this quest? For EcoLight home lighting years, "change a lightbulb" has been cited as a easy step people can take to help the planet. Now even that command is beginning to feel sophisticated, a state of affairs that does not assist our trigger. However I promise it’s not really as difficult as all that. For EcoLight home lighting those with short attention spans, the reply is: Go buy LEDs. Grist thanks its sponsors. To help our nonprofit environmental journalism, please consider disabling your ad-blocker to allow adverts on Grist. Here’s the rest of the story: Back in 2007, George W. Bush (you remember him) signed an Power Bill that, amongst other issues, supposed to make America more power environment friendly. It included laws that may finish the manufacture of wildly inefficient lightbulbs. Some political shenanigans ensued, but the brief model is that in 2012, the phaseout of standard incandescent bulbs started, starting with the 100-watt varieties.

This yr, 75-watt bulbs are to get the heave-ho, followed by 60-watt and 40-watt models. Do you have to want to know extra, the EPA has a helpful explainer on the subject. This shift may save U.S. 6 billion in 2015 alone, says the agency - try this calculator to see figures specific to your own EcoLight home lighting. But new lightbulbs may feel complicated and costly when we’ve spent our lives grabbing a well-recognized 75-watt bulb and paying $1 for it. Halogen incandescents are as shut as you can get to the familiar incandescent bulbs now being phased out. These high-tech versions of the previous standby last two to thrice longer and use about 25 percent less vitality. They look the same because the outdated variations, in order that they may be comforting to individuals who assume newfangled bulbs are bizarre. They can be used in your dimmers! This is an area of product growth that could be worth protecting a watch on: One guide informed The brand new York Instances that the bulb rules, after they have been model new, had spurred "more incandescent innovations within the final three years than in the final two many years." However you’ll nonetheless save more cash and vitality with a CFL or LED.

Compact fluorescents (CFLs) final 10 occasions as long as conventional incandescents and use 75 p.c less vitality. They are an excellent vitality-saving choice, and a few may be used in dimmers (test particular person packaging), however they have drawbacks. They include a tiny amount of mercury, which implies you can’t just toss them in the trash - though disposal has gotten easier because of recycling packages at major retailers including House Depot and IKEA. CFLs also require some relearning: We mustn't flip them off as religiously as we’ve been skilled to do with incandescents, because they actually have a finite number of on-off cycles. Frequent switching will be one purpose they burn out early. Listed below are a few different issues that can do in a CFL. Gentle-emitting diodes (LEDs) last 25 instances as lengthy as the outdated incandescents and use seventy five p.c much less vitality as nicely. Actually, Liza, they're the best way of the future. Scratch that: They are the best way of the now.

Forget your cold blue expertise of yesteryear and look into the array of choices accessible at present, many of that are lined in this useful New York Instances evaluation. LEDs get brilliant instantly (as opposed to having an annoying "warm-up" interval like CFLs), aren’t weakened by on-off cycling, and may be used in your dimmer. Sure, they're costly up front, but their price has dropped dramatically in the final couple of years, and EcoLight LED may continue to take action. If you can handle $5 to $10 for a bulb, I promise it can repay handsomely over time in lower energy payments, less bulb-changing, less pollution from the ability plants that electrify our homes, much less buying, and EcoLight home lighting less angst. By the way, if you really wish to geek out on the topic of lighting, here’s a enjoyable quiz from the parents at National Geographic. You might even study sufficient to concoct a wierd new sign-off. Grist is the one award-profitable newsroom targeted on exploring equitable solutions to climate change. It’s vital reporting made solely possible by loyal readers such as you. At Grist, we don’t believe in paywalls. Instead, we rely on our readers to pitch in what they will in order that we can continue bringing you our resolution-based mostly climate information. Grist is the only award-winning newsroom targeted on exploring equitable options to local weather change. It’s important reporting made totally doable by loyal readers such as you. At Grist, we don’t believe in paywalls. As an alternative, we depend on our readers to pitch in what they will so that we are able to proceed bringing you our resolution-primarily based climate news. Koch brothers want to purchase L.A. Grist thanks its sponsors. Grist thanks its sponsors.