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An industrial furnace or boiler's efficiency is measured by annual fuel utilization efficiency (AFUE). The Federal Trade Commission requires new industrial boilers to display their AFUE so consumers can compare heating efficiencies of various models. AFUE is a measure of how efficient the appliance is in converting the energy in its fuel to heat over the course of a typical year. 1.Brief introduction of AFUE. AFUE is the ratio of annual heat output of the furnace or boiler compared to the total annual fossil fuel energy consumed by a industrial boiler. An AFUE of 90% means that 90% of the energy in the fuel becomes heat for usage and the other 10% escapes up the chimney and elsewhere. AFUE doesn't include the heat losses of the duct system or piping, which can be as much as 35% of the energy for output of the furnace when ducts are located in the attic, garage, or other partially conditioned or unconditioned space. 2. the efficiency rating fuel and gas boiler. An fuel and gas boiler has no flue loss through a chimney. The AFUE rating for an fuel and gas boiler is between 95% and 100%. However, despite their high efficiency, the higher cost of fuel in most parts of the country makes boilers an uneconomic choice. If you want to save money ,then the biomass boiler is you best choice. 3. future trend .The minimum allowed AFUE rating for a non-condensing fossil-fueled, warm-air furnace is currently 78% for almost types of furnaces. In the future, minimum AFUE requirements for furnaces will be based on the type of fuel consumed. Application of industrial boiler : Widely used in chemical industry, plastics industry, coatings and automotive industries, bitumen industry, construction equipment industry, shipbuilding industry, apparel clothing, washing, ironing, the pharmaceutical industry, biotechnology, food industry, sauna and beauty, hotels, restaurants, sports, fitness and other places where need energy. The article is provided by Zhengzhou ZhengGuo Vessel Co., Ltd.As a professional manufacturer industrial boiler , ZG is always doing the best in products and service. You can learn more about industrial boiler by http://www.zgindustrialboiler.com
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