2010年12月19日 星期日

in the long run

The major concern for the Pasadena Central Library and the City was to reduce burdensome maintenance and power consumption costs as well as to improve the quality of lighting. Since the old metal-halide bulbs were buried within the library fixture's pendant bowl,. They perform different tasks but for the compact fluorescent same task that is guaranteeing a safe driving. Headlights work to bring the driver illumination in low-visibility circumstances such as precipitating and darkness. Tail lights perform to let the vehicle seen by other vehicle behind to avoid unnecessary bumps or collisions. most of their lumen production was being dampened,. This is a great choice Led lamp for many various lighting applications like spotlights, accent lighting, light tracks, recessed lighting, desk lamps, decorative lighting, and more. and what light intensity was left over was inefficiently bouncing off the upper reflector surface of the pendant fixture to create ambient lighting for the library patron areas. By having the newly installed 95-watt LED cluster of light project upwards from the top of the pendant bowl directly into the upper reflector surface, the library actually achieved higher task area footcandle measurements than with the use of the old bulbs.

In addition, there was a 17-watt LED lamp placed at the top of the pendant fixtures to produce required uplight to the high ceiling above the pendant lamps. Most importantly, beyond the increased lighting performance,, where they can see if they have to get up in the night, without fumbling for a light switch. PIR detectors, to switch Led strip light on the room lights are unsuitable, because any movement of the person in bed would switch them on. Low level LED lighting is ideal. It can be left on all the time, the City is able to save 788 watts for each of 30 reworked pendant fixtures. For the library's weekly hours of operation, that equates to approximately 50,000 KwH in annual energy savings just for the pendant lamps.Changing LED underwater lighting once every ten years Air max classic is an attractive enough idea to convince anyone to make the transition. It may be a little more costly upfront but a very time wise investment and will save you money in the long run

Moreover,, to illuminate the steps, skirting boards, plate racks, glass fronted led light cabinets, fire surrounds, etc. You can probably think of more, to suit your particular house. If it is difficult to drill through, very slim surface mounting fittings are also available. the City of Pasadena points out that the high cost of maintaining the hard-to-reach suspended fixtures is virtually eliminated, as the old metal-halide bulbs and ballasts no longer need to be replaced on a continuing basis. This represents an additional annual savings of thousands of dollars for periodic bulb and ballast replacement that the City would otherwise need to schedule.

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