The ERV ventilation system is suitable for installation in the following areas in Medan:

- **Office buildings**: Office buildings in Medan such as Podomoro Office Tower, etc., have a high density of people and are closed for long periods. The ERV ventilation system can introduce fresh air, recover energy, reduce air conditioning load, and provide a comfortable environment for office workers.

- **Hotels**: Hotels like Cambridge Hotel Medan and JW Marriott Hotel Medan, which need to create a comfortable accommodation environment for guests, the ERV ventilation system can ensure ventilation, remove odors and moisture, and improve guest satisfaction, while also saving energy and reducing costs.

- **Shopping malls**: Major shopping malls in Medan, such as Medan Mall, etc., have a large flow of people, and the air is prone to becoming stale. The ERV ventilation system can improve air quality, keep the air fresh, and also reduce operating costs.

- **Schools**: Various schools in Medan, such as classrooms and libraries, have concentrated people, and installing the ERV ventilation system can provide fresh air, which helps students concentrate and improve learning effectiveness.

- **Hospitals**: Hospitals in Medan have high requirements for air quality and need to constantly ventilate to prevent cross-infection. The ERV ventilation system can ensure air quality while recovering energy and saving operating costs.

- **Residences**: For high-end residences in Medan or residents with high demands for living quality, the ERV ventilation system can ensure air circulation without opening windows, avoid outdoor noise and dust interference, and also save energy.