1. 2 sets
2. 1 to 1 split aircon unit
3. Removal of old equipment,Recycle and disposal of old equipment,Need to add electric wires,Others
4. Don't need to provide scaffold
5. Any time
Description: 1. 已有冷氣, 移走裝新機, 1.5匹/1匹冷暖機, 已有棚, 另清洗4部舊機
2. 不知道是否須要鑽孔