As a modern big city, the wide application of central air conditioning in buildings has also led to many central air conditioning maintenance companies in Nanjing market. However, with the increasingly fierce market competition, the price range is becoming more and more unstable. However, according to market research, the maintenance price of large central air conditioners in Nanjing is not lower than that in 300 yuan. Let's find out why.

First, the labor cost is high. The maintenance of large central air conditioners generally requires skilled engineers to go to the site for inspection and maintenance. Because of the complex structure and function of large central air conditioning, the maintenance process needs to consume a lot of time and energy, so the man-hour cost of maintenance personnel is often high.

Second, the cost of maintenance materials is high. There are many kinds of parts of large central air conditioning, and its operation requires hundreds of screws and wiring of different specifications, and it is often necessary to replace some faulty parts according to the actual situation. For different brands and models of central air conditioning systems, the required material costs are also different.

Third, the cost of service guarantee is high. In the process of central air-conditioning maintenance, the problem can be completely solved by choosing higher service guarantee, including the transformation and re-optimization of air-conditioning system and replacing equipment after maintenance. Therefore, this service guarantee needs cost coverage.

Generally speaking, the maintenance price of large central air conditioners in Nanjing is stable in the market, but it is still necessary to reasonably evaluate the strength of maintenance companies and choose the most suitable service providers. A good maintenance company can provide professional, reliable and safe services to restore your central air conditioning system to a good running state.