This standard stipulates the general principles and requirements for the assessment of the qualification level of cleaning and disinfection institutions for centralized air-conditioning and ventilation systems. This standard is applicable to the classification and assessment of institutions that provide centralized air conditioning and ventilation system cleaning services for buildings, structures, equipment and facilities, etc.
T/JIEHA 001-2022 history
2022T/JIEHA 001-2022 Qualification level for central air conditioning ventilation system cleaning agency