No, not all hotels have noisy air conditioners. The noise level of an air conditioner in a hotel can vary depending on several factors, including the age and type of the air conditioning system, the hotel's maintenance practices, and the specific design and insulation of the rooms.
Many hotels invest in modern air conditioning systems that are designed to be quiet and provide a comfortable environment for guests. These systems are often equipped with noise-reducing features such as insulated compressor units, vibration dampeners, and sound-absorbing materials.
However, it's important to note that some older hotels or budget accommodations may have air conditioning units that produce more noticeable noise. In these cases, the noise may be a result of outdated equipment or insufficient soundproofing measures.
If you have concerns about the potential noise level of an air conditioner in a hotel, it can be helpful to read guest reviews or contact the hotel directly to inquire about the noise levels and any steps they have taken to mitigate noise. Additionally, using earplugs or white noise machines can be practical solutions for minimizing any disruptions caused by a noisy air conditioner during your stay.