LED Bulbs Move in and Mix up Dwelling Lighting
Angelina Wasson 於 6 天之前 修改了此頁面


Within the area of a few years, I've gone from one lighting expertise to another and now to a few lighting sorts in my dwelling. I suspect others might be in the same shoes as lighting choices develop, notably these involving LEDs. Keen to cut down my electrical load, I basically transformed to compact fluorescent lighting (CFLs) years in the past. Lately, though, I've changed CFLs with efficient LED bulbs and even power-hogging incandescents to deal with an unfortunate characteristic of CFLs: turning them on and off incessantly degrades their life. CFLs are nonetheless a superb deal both financially and EcoLight outdoor environmentally. They use about one quarter of the power of incandescent bulbs and will final about 10 years, or 10 occasions as long, based on Consumer Experiences assessments. But Client Stories also discovered that turning a CFL on and off inside less than 15 minutes, one thing you may do within the bathroom as an illustration, leads to earlier-than-anticipated brownouts.


That fast cycling issue, plus the arrival of fine LEDs in the normal A19 bulb form, obtained me rethinking my dwelling lighting and prodded me to use completely different bulb varieties for different purposes. I'm nonetheless targeted on effectivity, so I'm only using incandescent bulbs in places where the sunshine is used briefly spurts. I are likely to go in and out of the attic shortly, for example, and wish full brightness as soon as attainable. I've additionally added a couple of LEDs, that are actually more expensive--a 60-watt incandescent replacement costs almost $40--however functionally they have been good CFL replacements and are more environment friendly per lumen. I have a few Philips LEDs that give off as a lot light as a 60-watt incandescent or reduce energy consumption a 14-watt CFL, and they eat 12 watts. It would take a long time based mostly on power savings compared with CFLs to recoup the preliminary cost. However, LEDs are imagined to final upward of 20 years, and that i positioned them in fixtures that we flick on and off regularly, which I hope will deal with the burnouts I've skilled with CFLs.


You don't but see basic-purpose energy-saving LED bulbs bulbs on the supermarket or nook hardware retailer, however more products in the popular 60-watt-equivalent class are coming, and costs are expected to continue falling. In the area of the last few weeks, a pair of new LED companies have emerged, and one anticipated product (nicely, anticipated by lighting geeks not less than) is predicted in shops quickly. Switch Lighting, backed by venture capital agency VantagePoint Capital Partners, plans in the fourth quarter to begin promoting an LED bulb which has a cooling system that it says will ensure lengthy life--on the order of 20,000 hours, or 18 years, at three hours a day. The company is readying 40-watt, 60-watt, and 75-watt equal bulbs, with costs beginning at less than $20, in keeping with a consultant. To make light dispersal extra even, the LED light sources--small coin-measurement dots--are located near the edge of the bulb glass, a change from the everyday "snowcone" shape.


Another firm is Pixi Lighting, which launched an A19 LED earlier this month. It has a colour rendering index (CRI) of 90, a measure of mild high quality, and a colour temperature of 3,000 Kelvin, or white mild. The 40-watt equal, which uses 6.5 watts, has been in an overhead fixture in my home for a few weeks and that i find the sunshine high quality is good. Lighting Sciences Group will offer two 60-watt equivalent LEDs with some spectacular "feeds and speeds" slated to be accessible online and in Dwelling Depot nationally by the end of the second quarter, based on the company. Reasonably than the snowcone form, the bulb has a thick disk on high of a heat sink to disperse light evenly. There shall be both a "cool white" and "heat white" model. The cool white will give off 950 lumens, have a CRI of 88, consume 13 watts, and have a cool coloration temperature of 4,900 Kelvin.


That product is already obtainable at some Residence Depot shops and prices $36.97. The heat white will give off 850 lumens, eat 13 watts, have a CRI of 88, a temperature of 3,000 Kelvin, and cost $34.97. The design of that product reflects how manufacturers try to improve LEDs so that they are suitable for a lot of more uses in a typical dwelling. Until now, LEDs have excelled at directional lighting uses, equivalent to spotlights or downlights in recessed cans in a ceiling. However now GE has an "omnidirectional" LED bulb the place the heat sink diffuses light. Cree, too, is engaged on a 60-watt replacement LED bulb that prioritizes even light together with efficiency (less than 10 watts) and life. The other significant change in shopping for LEDs, at the least for me, is selecting a color temperature, as LED manufacturers usually supply a cool 3,000 Kelvin and a hotter 2,700 Kelvin temperature, which is much like the yellow of an incandescent bulb or CFL.