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That reduces fossil-fuel usage and emissions a great deal. [Sidebar] "Because source Links of London Charms is seen as an important measurement of overall efficiency and performance. California Code of Regulations, Title 24, applies hourly time-dependant values to each hour of consumption to tie power-plant heat rates into the energy code. In this way, a life-cyclecost analysis of a building takes into account not only the kilowatt-hours on the meter, but the source energy consumed to make the electricity, based on location and hour of use. "Links of London Black friendship Valentine Bracelet of all types will be necessary to transform our fossil-fuel use to more and more dependable and renewable energy." In response, Clark wrote: "Interesting analogy with the odometers, but I'm not clear on the basis of the conclusions. For example, you state that, ? utility meter tells how many kilowatt-hours were used, but not how many source British thermal units were used to make and transport the electricity.' However, the source-site ratio for electric energy (which actually is a measure of the efficiency of that energy and is dependent on the fuel being burned and the equipment being used to burn it) has Links of London Blue Friendship Bracelet established on a national level by the U.S. Environmental Protection Agency and the U.S. Department of Energy through their Energy Star program. For electric energy purchased off the grid, that factor presently is 3.34. So, the value in source British thermal units of a kilowatt-hour consumed is: "1 kwh (site) ? 3.413 ? IO3 Btu per kwh ? 3.34 (source-site ratio) = 1.14 ? 104 Btu "The comments regarding the distinction between capacity reduction and efficiency reduction are interesting. As stated in the article, the chillers are compound (low stage and high stage), with 3,000-gpm-percell cooling towers - in other words, water-cooled centrifugal chillers, not air-cooled screw chillers. In ice-building mode, the input power to a chiller at rated Links of London Bookworm Charm of 2,000 tons is approximately 1,700 kw, resulting in an efficiency of 0.85 kw per ton (1,700 kw divided by 2,000 tons). The same chiller in 'day mode' has input power of 1,458 kw at its full-load capacity of 2.300 tons, resulting in an efficiency of 0.634 kw per ton (1,458 kw divided by 2,300 tons).