The window of the hotel was broken, and the hotel staff didn't tell me, which led to no ventilation for many days.

1. Sign a service contract with the hotel.

2. Hotels have the obligation to ensure safety. According to its business nature, hotels have the obligation to ensure the personal and property safety of consumers. In recent years, with the rapid development of the service industry, the scale and scope of hotels are increasing, which greatly promotes the development of the service industry, but also produces a large number of accidents that violate the security obligations.

3. The hotel has the obligation to protect personal and property safety. Moreover, Article 18 of the Law on the Protection of Consumer Rights and Interests stipulates that business operators should ensure that the goods or services they provide meet the requirements of protecting personal and property safety.

4. The concurrence of tort liability and breach of contract liability means that the same act meets the constitutive requirements of tort and breach of contract at the same time, so the civil liabilities of tort and breach of contract conflict with each other. In real life, there are often cases of concurrence of liability for breach of contract and liability for tort, so it is really necessary to distinguish them so that the parties can make a wise choice on what cause of action to sue.