An elevator installation for a building , comprising: an elevator controller to control an elevator car to move from one floor to another floor (L1, L2, L3) of the building ; a plurality of sensor units , each sensor unit located on a floor (L1, L2, L3) and configured to generate an electrical signal that is indicative of a noise level in its vicinity on the floor (L1, L2, L3); and a processing unit coupled to the elevator controller and the sensor units , wherein the processing unit is configured to analyze received electrical signals to determine if an electrical signal indicates an increased noise level on a floor (L1, L2, L3) on which the sensor unit generating that electrical signal is located, and to generate a control signal for the elevator controller that is indicative of the floor (L1, L2, L3) with the increased noise level, and wherein the elevator controller in response to the control signal causes the elevator car to move to the floor (L1, L2, L3) with the increased noise level, characterized in that analyzing an electrical signal includes: - analyzing a frequency shift caused by the Doppler effect to determine if a source of noise approaches the respective sensor unit , or - determining a sequence of sensor units that sequentially detect increased noise levels on a floor (L1, L2, L3) to determine a direction of movement of the source of noise. an elevator controller to control an elevator car to move from one floor to another floor (L1, L2, L3) of the building ; a plurality of sensor units , each sensor unit located on a floor (L1, L2, L3) and configured to generate an electrical signal that is indicative of a noise level in its vicinity on the floor (L1, L2, L3); and a processing unit coupled to the elevator controller and the sensor units , wherein the processing unit is configured to analyze received electrical signals to determine if an electrical signal indicates an increased noise level on a floor (L1, L2, L3) on which the sensor unit generating that electrical signal is located, and to generate a control signal for the elevator controller that is indicative of the floor (L1, L2, L3) with the increased noise level, and wherein the elevator controller in response to the control signal causes the elevator car to move to the floor (L1, L2, L3) with the increased noise level, characterized in that analyzing an electrical signal includes: - analyzing a frequency shift caused by the Doppler effect to determine if a source of noise approaches the respective sensor unit , or - determining a sequence of sensor units that sequentially detect increased noise levels on a floor (L1, L2, L3) to determine a direction of movement of the source of noise. wherein the processing unit is configured to analyze received electrical signals to determine if an electrical signal indicates an increased noise level on a floor (L1, L2, L3) on which the sensor unit generating that electrical signal is located, and to generate a control signal for the elevator controller that is indicative of the floor (L1, L2, L3) with the increased noise level, and wherein the elevator controller in response to the control signal causes the elevator car to move to the floor (L1, L2, L3) with the increased noise level, characterized in that analyzing an electrical signal includes: - analyzing a frequency shift caused by the Doppler effect to determine if a source of noise approaches the respective sensor unit , or - determining a sequence of sensor units that sequentially detect increased noise levels on a floor (L1, L2, L3) to determine a direction of movement of the source of noise. - analyzing a frequency shift caused by the Doppler effect to determine if a source of noise approaches the respective sensor unit , or - determining a sequence of sensor units that sequentially detect increased noise levels on a floor (L1, L2, L3) to determine a direction of movement of the source of noise. <EOS>