Intelligent system for monitoring a reference environment comprising: - at least one multiprotocol control unit, provided with at least one internal wireless modem, a power supply connector, a microprocessing unit, RAM memory means, program memory means and data memory means; - at least one modem, respectively a modem-router, external with respect to the control unit and operatively connected to the same; wherein said system further comprises: - sensor means, internal with respect to the control unit; - a plurality of actuator means external with respect to the control unit; - sensor means external with respect the control unit; wherein - said sensor means internal with respect to the control unit are, individually or in combination, at least a microphonic sensor, a relative humidity sensor, a temperature sensor, an atmospheric pressure sensor or the like, detect at least a first value of the reference environment; - said sensor means (10, 11) external with respect the control unit, operatively connected to the control unit, detect at least a second value of the reference environment; wherein said system further comprises: - computer means internal to said control unit, provided with software means for processing at least a first, respectively second, value of said reference environment, detected by means of said internal (3, 4, 5, 6), respectively external (10, 11) sensor means, for obtaining at least a first, respectively a second, corresponding environmental parameter, referring to at least one environmental condition of the reference environment, and forwarding, on the basis of said parameters in this way obtained, at least one command to: - actuator means, internal with respect to the control unit, which are, individually or in combination, multicolor light emitter means, loudspeaker means, a nebulized and/or vaporized fragrances dispensing devices or the like, and respectively external, characterized in that said intelligent system for monitoring a reference environment is configured for multisensorial interaction with a user, in that said software means are also able to process at least one probability index of presence of a user in the reference environment, on the basis of said at least a first, respectively second value, detected by means of said internal (3, 4, 5, 6), respectively external (10, 11) sensor means, and in that said actuator means (7, 8, 9) are able to provide at least one sensory feedback message referring to one or more conditions of said reference environment to the user. - at least one multiprotocol control unit, provided with at least one internal wireless modem, a power supply connector, a microprocessing unit, RAM memory means, program memory means and data memory means; - at least one modem, respectively a modem-router, external with respect to the control unit and operatively connected to the same; - sensor means, internal with respect to the control unit; - a plurality of actuator means external with respect to the control unit; - sensor means external with respect the control unit; - said sensor means internal with respect to the control unit are, individually or in combination, at least a microphonic sensor, a relative humidity sensor, a temperature sensor, an atmospheric pressure sensor or the like, detect at least a first value of the reference environment; - said sensor means (10, 11) external with respect the control unit, operatively connected to the control unit, detect at least a second value of the reference environment; - computer means internal to said control unit, provided with software means for processing at least a first, respectively second, value of said reference environment, detected by means of said internal (3, 4, 5, 6), respectively external (10, 11) sensor means, for obtaining at least a first, respectively a second, corresponding environmental parameter, referring to at least one environmental condition of the reference environment, and forwarding, on the basis of said parameters in this way obtained, at least one command to: - actuator means, internal with respect to the control unit, which are, individually or in combination, multicolor light emitter means, loudspeaker means, a nebulized and/or vaporized fragrances dispensing devices or the like, and respectively external,