Because big coffee such as Pan Shiyi insisted on broadcasting the "air quality index" from the media, it gradually triggered the butterfly effect and finally affected the decision-making level. Words such as PM2.5 and air pollution have become one of the hottest words at the public level. This is a win-win situation for construction equipment manufacturers. By providing advanced solutions, technologies and products, they not only bring benefits to human health, but also bring practical results to building energy conservation and emission reduction, and also open up new channels for the sustainable development of enterprises. This is especially true in China. Dr. Joseph Allen (hereinafter referred to as "Allen"), an associate professor at Harvard School of Public Health and director of the Center for Health and Global Environment, explained that China gave technology companies an opportunity to demonstrate their ability to reduce PM2.5. As an expert specializing in air quality and human behavior efficiency, Allen also gave another meaning to win-win. Green building can not only save energy and reduce emissions for operators, but also enable people in the building to exert their potential and indirectly create value. After long-term data accumulation and comparison, he thinks that the cognitive function of experimenters in green buildings is twice that of these people in ordinary buildings. Therefore, he believes that the current green building movement promoted by the state and society will evolve into a healthy building movement, that is, to improve people's health by improving the quality of indoor environment, which will constitute a huge opportunity for the green building industry. "Especially in the case of bad outdoor air conditions, buildings will directly affect human health, because 90% of human time is spent indoors. United Technologies is thinking about how to improve indoor air quality and make indoor air cleaner and healthier. Because our advanced air filtration system can not only filter the air inside the building, but also filter the outdoor air entering the building and then circulate inside the building. " John Mandyck (hereinafter referred to as "Mandik"), chief sustainable development officer of United Technologies Corporation, highly recognized Allen's research results, and realized quantitative interpretation and reasoning on this basis. "Among the operating costs of any office building in the world, energy costs only account for 1%, and the remaining 90% of the operating costs come from employees' wages and income. Allen's research shows that green buildings can actually bring productivity benefits, which will affect the decision-making of insiders and ultimately affect production efficiency. Therefore, green buildings can not only bring energy benefits, but also bring benefits in improving productivity as high as 90 times that of energy benefits themselves. " Is it necessary to increase the cost of building green buildings? This is the most concerned issue for China owners at present. But Mandyck thinks this is a false proposition, and the fact comes from people's conceptual constraints. He said that green buildings are not necessarily more expensive than traditional buildings. If the principle of green building is considered in the design process from the beginning, the green effect can usually be achieved without increasing the cost. "In this way, in the actual operation and maintenance of the building, both energy and water and electricity consumption can achieve good energy-saving effects." Mandyck is optimistic about the future of United technology based on her judgment of global social and economic trends. "The global population is growing rapidly, especially in China. At present, half of the world's 7 billion people live in cities. By 2050, the global population will reach 9.6 billion, and 70% will live in cities. This means that more buildings will be completed. The energy consumption of HVAC and elevators accounts for about 40%~50% of the total energy consumption of buildings, and the related products provided by United Technologies will have great potential. "
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