Home / Standards / GB/T 17981-2025 GB/T 17981-2025 Active Economic operation of air conditioning systems 空气调节系统经济运行 Standard Type GBT ICS 27.010 CCS F01 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A