The Mitsubishi ceiling cassette range can easily fitted into any false ceiling and offer a space saving heating and cooling solution to any office or business. The largest output compact model in the range is the FDTC60VH model. With these 4 way blow compact cassettes each louver can be set independently so airflow around the room can be set to give a uniform airflow. These full heat pump cassette units can provide full heating and cooling throughout the year. solution to any office or business. The Mitsubishi FDTC60VH cassette system uses the latest R32 refrigerant.