What's the complaint number of the heating company?

Users can call the national heating company's complaint telephone number. For example, in Beijing, if there is a heating problem or some kind of breach of contract, so that citizens can't heat normally, they can directly call Beijing to complain. The telephone number is 123 19. Many cities are open, so it is very convenient to dial. Users can also dial 123 15 or 12345. For example, in Harbin, if the heating is not timely, they can call 12345 to complain. Which department should I call for heating complaints? Look at the following situations: 1. If the heating in public areas is not hot, you can find a property first. For example, Property.2319 is the urban construction service hotline, which is the national public service telephone for the construction industry determined by the Ministry of Construction and the Ministry of Information Industry. 123 19 telephone function: the service scope covers complaints, consultation, suggestions and repair services of various industries and societies such as urban planning, urban housing management, illegal construction, building quality and safety supervision, city appearance, municipal administration, urban transportation, landscaping, scenic spots, water supply, gas supply and heating.