1.Real high efficiency: Adopt centralized water cooling system which is little influenced by ambience.The cop can reach more than 4.0 2.Easy installation: The small main unit is connected with water supply system directly and can be concealed in the room or outside such as veranda or the ceiling of washing room.The installation can be in harmony with room fitments. 3.Running quiet: The products adopt high static pressure fan coil to ensure the transfer quality.The indoor and main units are installed separately.Also, sound insulation materials can effectively decrease the noise and create a comfortable environment for you.