How to complain if it is too cold to stay in a hotel?

It's too cold to stay in the hotel. You can call 123 15. According to relevant public information, the 123 15 consumer complaint hotline can complain about hotels. Consumers have the right to supervise the quality of goods and services, and at the same time, consumers also have the right to report and accuse acts that infringe on consumers' rights and interests.