Department of Housing has initially identified nearly 40 cities as "second five" energy-saving public buildings in major cities, require each city to complete the transformation of the building area of ??not less than four million square meters in the next two years. According to the China Energy Conservation Association of Energy Service Accounting IPCC, currently the existing building area of ??430 million square meters, of which more than half the area of ??public buildings, energy compliance rate of less than 10%. Furthermore, central air-conditioning manufacturers, home central air conditioning, air-conditioned air to break the traditional pattern, to solve the traditional common air supply is uneven, uneven cooling, heating and other shortcomings uneven, so that the indoor temperature reaches equilibrium central air-conditioning manufacturing, people feel comfort, a wide variety of air supply, according to the human need to choose. Home central air-conditioning quiet unique technology that allows people to feel comfortable in the process, no longer bothered by the noise. Central air conditioning installation, Xi'an Hao Electrical and Mechanical Services (certification), Yulin central air conditioning provided by the Xi'an Hao Electrical and Mechanical Technology Limited. Xi'an Hao Electrical and Mechanical Technology Co., Ltd. (www.029hfkt.com/)(www.029hfkt.com) is Xi'an, central air conditioning leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum to meet customer needs. Xi'an Hao Electrical and Mechanical Services leadership with the staff warmly welcome all inquiries negotiations to create the Electrical and Mechanical Xi'an Hao better future.