What qualifications does an air-conditioning maintenance company need?

Hello! I'm glad to answer your question. Air-conditioning maintenance companies need the qualification of 1. Air-conditioning maintenance needs the qualification of China refrigeration and air-conditioning equipment maintenance and installation enterprise. 2 China refrigeration and air conditioning equipment maintenance and installation enterprise qualification, approved by the China Equipment Management Association and China Refrigeration and Air Conditioning Industry Association under the National Development and Reform Commission. 3. According to the business scope of the certified enterprise, the enterprise qualification certification is divided into four categories: A, B, C and D: centralized refrigeration and air conditioning equipment (piston, scroll, screw, centrifugal, absorption refrigeration and heat pump units; Thermal storage equipment, evaporative cooling equipment, air handling equipment and other system components. ): Purification air conditioning equipment (classified by purification grade): Refrigeration equipment (classified by cold storage tonnage): Household (commercial) refrigeration air conditioning equipment (multi-unit, household air conditioning, commercial air conditioning, refrigerator, freezer, ice maker and heat pump water heater, etc. ).