The Hitachi Ducted Air Conditioners Eco is a powerful and efficient air conditioning system that is designed to provide superior cooling and heating performance. This system is perfect for large spaces, such as commercial buildings, offices, and homes. It is equipped with a powerful inverter compressor that is capable of providing up to 20.5 SEER cooling efficiency and up to 10.5 HSPF heating efficiency. The system also features a high-efficiency fan motor that is designed to reduce energy consumption and noise levels. The air conditioner also comes with a built-in air filter that helps to reduce dust, pollen, and other airborne particles. The system is also equipped with a self-diagnosis system that helps to detect any problems with the system and alert the user. The system is also designed to be easy to install and maintain, making it a great choice for any home or business.