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How much does central air conditioning earn a year?

The average is 72,000 yuan.

Take Tianjin where I live as an example. The average salary announced by Zhaopin is 6,000 yuan a month and 72,000 yuan a year.

The central air conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. This system is different from the traditional refrigerant air conditioner (such as VRV), and it concentrates on air treatment to meet the comfort requirements.