| Service type | Maintenance、Cleaning and maintenance |
| Type of air conditioner (maintenance) | Window type、Split type、Ceiling mounted cassette type、Water-cooled type、Others |
| Type of air-con (cleaning) | Window type、Split type (indoor)、Split type (outdoor)、Split type (indoor and outdoor)、Ceiling mounted cassette type、Water-cooled type、Others |
| Type of problem | Refrigerant leakage、Water leakage or freezing up、Reduced airflow、Not cold or warm enough、Making noise or strange smell、Not blowing air、Fuse issue or won't turn on、Sensor problem、Others |
| Day of the week | Monday、Tuesday、Wednesday、Thursday、Friday、Saturday、Sunday |
| Service hours | Early morning (before 9am)、Morning (9am-12pm)、Early afternoon (12-3pm)、Late afternoon (3-6pm)、Evening (6-9pm) |
