1. 2 sets
2. 1 to 1 split aircon unit
3. Removal of old equipment,Recycle and disposal of old equipment,Add wood panel for window type installation,Need to add electric wires
4. Don't need to provide scaffold
5. Any time
Description: 1. 已有舊分體機,之前用暗喉,希望換機後都係用暗喉