Lighting Retrofit and Relighting: A Guide to Energy by James R. Benya, Visit Amazon's Donna J. Leban Page, search
By James R. Benya, Visit Amazon's Donna J. Leban Page, search results, Learn about Author Central, Donna J. Leban, , Willard L. Warren
The last word consultant to the retrofitting of lighting fixtures for higher potency and function
Retrofitting superseded energy-guzzling lights parts with eco-friendly energy-saving possible choices is a technique that promotes sustainability and provides major advantages for companies, contractors, and the neighborhood at huge. not just can retrofitting increase the final caliber and performance of sunshine, it can even make areas more secure, more uncomplicated and no more expensive to take care of, and more well-off to inhabit. From lighting fixtures expertise to retrofit monetary research, lights Retrofit and Relighting evaluates the most recent lights approach kinds, then demonstrates find out how to follow them for the best useful and cost-saving profit. This publication:
Discusses the new advances in lighting fixtures apparatus and retrofittable controls, for either inside and outside use
Explains easy methods to do a lighting fixtures audit to spot and review logical retrofit offerings
Includes case stories of retrofits, illustrating advancements within the caliber and efficacy of recent lights
Demonstrates how fee mark downs learned through the years can't in simple terms pay for brand new gear yet produce a go back at the funding
''Lighting Retrofit and Relighting'' serves as a terrific reference for college kids or professionals--whether they're power auditors, designers, installers, amenities managers, or manufacturers--by taking an in depth examine the most up-tp-date lights know-how illuminating pathways towards a brighter destiny
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Extra resources for Lighting Retrofit and Relighting: A Guide to Energy Efficient Lighting
Dimming Fluorescent Ballasts Dimming ballasts represent a range of new opportunities in fluorescent lighting retrofit, limited by the cost of the ballasts and more complex control installation. While step dimming can be accomplished with nondimming ballasts and bi-level wiring, any type of dimming control can have a positive psychological effect. 4 In another laboratory study, other positive results were noted. Subjects with dimmable lighting were more satisfied with the lighting, felt more comfortable in the room, rated the tasks less difficult, and rated the lighting quality as higher than subjects who did not have control.
Dimming options are listed by lamp and ballast type. The percentage of dimming is set at twenty-five and fifty percent for simplicity, and to offer the potential range of savings. Actual savings will vary. Figure 1-4 Manual dimming of fluorescent lighting is essential for spas and many other uses where sustainability is a factor. 06 * Light level reduction is greater than energy reduction. A 25 percent energy reduction will bring light levels down around 30 percent. Consult specific ballast manufacturer for data.
All of these factors except the depth reduce in efficiency with age, but can be improved with component replacement. Improvements in parabolic louver designs allow luminaire efficiencies into the low 80 percent range. Shallower louver depth and wider spacing increases luminaire efficiency, but also increases glare potential. Highly specular parabolic louver finishes improve efficacy, but also increase glare and highlight fingerprints. Softer, more comfortable semi-specular surfaces provide improved comfort with reasonable efficiency.