Gree concealed air conditioner Inside a cooled and tightly sealed box to protect it from dust Static pressure can be adjusted according to duct length Backup pump with sensor for condensate drainage More energy saving thanks to the use of inverter technology Flexibility in electrical connection from the outdoor unit to the indoor unit and vice versa, or separately 15% higher cooling efficiency thanks to the V-shaped evaporator design Internal fan motor with inverter technology for more comfort and quieter sound