We sincerely apologize for the delay in addressing your review and appreciate you sharing your experience. We want to reassure you that the 511i Max purifier and a humidifier can operate in the same room without issue. While the purifier's sensors are designed to be highly sensitive to ensure accurate air quality readings, increased humidity should not interfere with its performance. If your purifier is displaying unusual behavior, we recommend reaching out to our customer service team so we can assist in resolving this for you. Your feedback is incredibly valuable, and we are here to help ensure you have the best experience with our products.,Blueair,Blueair Team,clientresponse