A multisensor unit for managing the indoor climate conditions of a room or of a zone, which multisensor unit comprises: - a temperature detector for detecting the temperature in said room or said zone, and - a thermal imaging sensor arranged - to measure temperatures within its detection range in said room or in said zone, - to detect the measured temperatures of the ceiling , wall , floor and/or a window in said room or in said zone and the measured skin temperature of human (7-9) in said room or in said zone, and - to detect the presence and/or position of human in said room or in said zone and/or the number of persons present in said room or in said zone, said multisensor unit being characterized in that said multisensor unit is attached to the ceiling of said room or said zone, and that said multisensor unit comprises: - an at least one air quality detector for detecting one or more parameters relating to the air condition/air quality and/or to the indoor climate conditions of said room or said zone; - which multisensor unit is adapted to provide measurement data for said one or more parameters relating to the air condition/air quality and/or to the indoor climate conditions of said room or of said zone to a control unit , said control unit adapted to control indoor climate conditioning units (21-24) for managing the indoor climate conditions of said room or of said zone. - a temperature detector for detecting the temperature in said room or said zone, and - a thermal imaging sensor arranged - to measure temperatures within its detection range in said room or in said zone, - to detect the measured temperatures of the ceiling , wall , floor and/or a window in said room or in said zone and the measured skin temperature of human (7-9) in said room or in said zone, and - to detect the presence and/or position of human in said room or in said zone and/or the number of persons present in said room or in said zone, said multisensor unit being characterized in that said multisensor unit is attached to the ceiling of said room or said zone, and that said multisensor unit comprises: - an at least one air quality detector for detecting one or more parameters relating to the air condition/air quality and/or to the indoor climate conditions of said room or said zone; - which multisensor unit is adapted to provide measurement data for said one or more parameters relating to the air condition/air quality and/or to the indoor climate conditions of said room or of said zone to a control unit , said control unit adapted to control indoor climate conditioning units (21-24) for managing the indoor climate conditions of said room or of said zone. - to measure temperatures within its detection range in said room or in said zone, - to detect the measured temperatures of the ceiling , wall , floor and/or a window in said room or in said zone and the measured skin temperature of human (7-9) in said room or in said zone, and - to detect the presence and/or position of human in said room or in said zone and/or the number of persons present in said room or in said zone, - an at least one air quality detector for detecting one or more parameters relating to the air condition/air quality and/or to the indoor climate conditions of said room or said zone; - which multisensor unit is adapted to provide measurement data for said one or more parameters relating to the air condition/air quality and/or to the indoor climate conditions of said room or of said zone to a control unit , said control unit adapted to control indoor climate conditioning units (21-24) for managing the indoor climate conditions of said room or of said zone. <EOS>