it doesn't matter whether it's installed in the hotel lobby or not, it's necessary to install it in the hotel room, otherwise it will be very heavy.

The hotel environment is generally closed. When dining, there are many people indoors. If ventilation is not done well, the smell of alcohol and smoke in the room cannot be treated, and the comfort is poor. The installation of fresh air system can directly discharge the odor and turbid air in the room to the outside, and the indoor air quality is better.

Ventilator is a kind of air-conditioning appliance which is driven by a motor to rotate the blades to drive the airflow, so that indoor and outdoor air can be exchanged. Also known as ventilation fan. The purpose of ventilation is to remove indoor dirty air and adjust temperature, humidity and sensory effect.