According to CoinMeta, in accordance with the "Tianjin Heating Regulations" and meteorological consultations, the heating system in Tianjin began its operation and debugging on November 7th, and official heating services started at midnight on November 15th. During the operation and debugging period, combined heat and power generation was activated throughout Tianjin, with each heating station conducting trial operations. Inspections and maintenance of heating facilities were carried out, the heating pipelines were gradually heated and pressurized, and each residential building's heating system was checked for leaks to ensure the stable operation of the entire system.