Package type hygienic air conditioners are special air handling units designed for use in clean room and operating room applications that require sensitive and sterile conditions, unlike standard air handling units. Hygienic air handling units are used in special applications such as operating rooms, clean rooms and the pharmaceutical industry where hygiene and humidity control are important.HAVKON precisely controls humidity, temperature, filter pollution and fresh air in the control of hygienic air handling units. Differential pressure sensors and frequency inverters for room positive pressure control come to the fore in applications. Proportional heater drivers are used to support the heating of the environment, comfort and energy efficiency are provided by proportional control.