In recent years, the United States, led by domestic manufacturers of central air-conditioning industry gradually mastered the core technology to break foreign brands dominate, and access to technology innovation in energy conservation, environmental protection and energy recovery, to build a low-carbon era, creating a green world plays a leading role in the promotion. Innovative new products, explore new technologies, is the source for the United States the development of central air-conditioning. US central air conditioning is the leading brand, its technology and product innovation. As the leading brand of central air-conditioning, the US central air conditioning recently have applied for more than 700 technology patents, for most Chinese central air-conditioning industry. In a multi-line, the US central air conditioning has surpassed many foreign brands, a new generation of DC inverter multi-line as its encroaching heavy weapons, launched the industry's first multi-line controls unprecedented three simultaneous cooling and heating, become more Online is a major breakthrough in the history of the development. Home central air conditioning obvious advantages, and prices began to decline in recent years, and other reasons, so that home central air conditioning significantly accelerated growth, the annual increase in more than 50%, but there are still consumers also still do not know which brand is good central air conditioning. US central air conditioning which makes a good 6 years 6 years repair promise devaluation central air conditioning repair policy is "semi", are more dependent on the installation, maintenance and other after-sales service than any appliances. Currently, the average home central air conditioning warranty period is about 2 to 3 years, and many are willing to buy home central air conditioning consumers have concerns about this, worried about the warranty period is over, it will pay for the costly maintenance fees. For the US central air conditioning initiative, a well-known experts, "said 6-year free repair kits" policy is introduced, on the one hand is a symbol of enterprise product technical strength, central air-conditioning technology will be put forward higher requirements, only the quality excellent product quality and comprehensive ban can withstand the test of this policy, which will also promote the rapid development of the central air-conditioning industry technology. On the other hand, the policy is to protect the interests of consumers, lower consumer product repair and service concerns, so that consumers buy with confidence, for central air conditioning products, especially home central air conditioning marketing will be promoted. US central air conditioning repair policy six years in the industry pioneered, not only created a precedent for the industry, and further demonstrates the beauty giant's strength as the HVAC industry. With the improvement of China's overall consumption level, and now the price is no longer the last weapon to seize market share, quality and service is an invaluable asset. From the warranty repair service excellence to win the trust of customers with good quality products and excellent service, beautiful home central air conditioning throughout the country has been widely used. Vanke, Evergrande, Poly, Country Garden, Greentown, in the sea more than 40 real estate developers, after detailed market research, in order to meet the needs of the owners of the country, all with the US central air conditioning became a strategic partner, the United States and the home central air conditioning One of the country designated as supporting high-end real estate products. In fact, the warranty is not equal to repair, warranty and repair kits are two completely different concepts, the biggest difference is that the warranty is subject to charges, repair kits are completely free. Warranty means a service consumers to purchase goods (goods) to the vendor, while obtained from the manufacturer, the service is provided by the manufacturer for free repairs and maintenance service for the failure of the product in a certain period due to product quality problems arise, but the cost of fees required to take part. US central air conditioning service strategy to take "hard and soft" combination. In the "hardware", the United States has established more than a dozen countries, Brazil, the United States, Argentina, Egypt, India and other services, build international operations management system; in the "software", the US central air conditioning implemented localization, Founded around the market and technology research center, the establishment of professional, high-quality service team, to provide better services to local customers. US central air conditioning relevant responsible person said: "At home, we ask the customer upon receipt of notification, the general failure within 24 childhood to the scene, the scene holiday time is not more than 48 hours, which greatly enhance the efficiency of the service."