发展
Development
由于中央空调在技术上完全可以满足小型化和小制冷量的要求，从而在家用消费领域存在扩大的趋势。2010年行业市场规模达到450亿元，2011年进一步扩大，仅上半年市场规模就达300亿元，同比增长达40%以上。
As the central air conditioning technology can fully meet the requirements of miniaturization and small refrigeration capacity, there is an expanding trend in the field of household consumption. In 2010, the industry market reached 45 billion yuan, and further expanded in 2011. In the first half of the year alone, the market scale reached 30 billion yuan, an increase of more than 40% year on year.
市场占有率超过10%的企业包括海尔、美的、格力，构成我国中央空调行业的第一梯队;美资四大冷水机组企业约克、开利、特灵、麦克维尔继续稳居第二梯队，在冷水机组市场中的优势仍然十分明显，并且在短期内难以被逾越，同样身处第二梯队的还有海信日立，作为专业变频多联机组企业，海信日立在专业化发展战略下保持了快速的增长。行业销售专业人员认为，从2011年上半年度各大类产品的占有率情况与2011年度对比来看，各大类产品的占有率情况较为稳定，波动平缓。
Enterprises with market share of more than 10% include Haier, Mei and Gree, which constitute the first echelon of China's central air-conditioning industry. Four major US-funded chiller enterprises, York, Kelly, Turing and McVell, continue to rank the second echelon steadily. Their advantages in the chiller market are still very obvious and are difficult to overcome in the short term. Also in the second echelon is Hitachi, as a professional frequency conversion multi-unit enterprise, Hitachi has maintained rapid growth under the professional development strategy. Industry sales professionals believe that, from the first half of 2011, the occupancy rate of major categories of products compared with 2011, the occupancy rate of major categories of products is relatively stable, smooth fluctuations