Hi Besnier! What on earth is the space concerning the litter box and the cats? In fact the Litter Robot makes noise but is not that noisy either. My cat got used to that sounds and she or he would seem to grasp the litter box is cleaning cleaned :-) https://petskyonline-onlinestrore.blogspot.com/2025/07/petkit-purobot-ultra-premier-auto.html