Controlli, as having been one of Europe's well-known manufacturers in the fields of heating,cooling , air conditioning and industrial process since 1936, has been presenting its technology and quality together with On Otomasyon's knowledge and experience.Controlli's range of products in conformance with local and international standarts (PED.EN ISO 9001, CE] cover site equipment (sensors,transmitters,valves and actuators), control panels,DDC units, monitoring and management systems. Products (proportional and on-off/spring return damper actuators,VAV controllers) made by Belimo which is known as the most reputable damper actuator manufacturer are used in On Otomasyon system solutions.