T/HNNTXH 01-2022 Assessment of the Capacity Level of Central Air-conditioning Maintenance and Repair Organizations
T/HNNTXH 01-2022
Basic Information
Scope
Scope: This document specifies the terms and definitions, classification of capability levels and level requirements, and application and evaluation procedures for the capability level assessment of central air-conditioning maintenance and repair organizations. This document is applicable to the capability level management of central air-conditioning maintenance and repair organizations. Main technical content: This document specifies the terms and definitions, classification of capability levels and level requirements, and application and evaluation procedures for the capability level assessment of central air-conditioning maintenance and repair organizations. This document is applicable to the capability level management of central air-conditioning maintenance and repair organizations.