The quality of the working environment is important for everyone. Both employees and employers strive to keep the premises as clean and safe as possible. Disinfection of small rooms to prevent unpleasant odours, viruses, and bacteria is carried out using a smart ozonation system, which consists of an ozone generator and an ozone sensor. This safe and autonomous system is able to clean a room of up to 70 sq. m. The ozone sensor continuously measures the ozone concentration in the room and transmits the data to the ozone generator in real time. The ozone generator activates automatically and based on the given algorithm, produces ozone and releases it into the environment depending on whether the sensor data recorded a sufficient amount of ozone in the room or not. If the set limit is reached, the ozone generator stops producing ozone until further production is required according to the data transmitted by the sensor. The operation of the odour removal and disinfection system is set in such a way that the limits established by the hygiene standards are not exceeded.