I had no ideas it will be that dificult

[kevin1]

Good hints on isolating the detected device in this thread, including the video. One important note - unplugging will often NOT make the device go off in Sense, because an unplug looks different than a thermostat turning off to Sense.

Device detected, but I cannot determine what it might be

One hint: If you unplug in the middle of something running (your unknown showing up as a bubble) and the bubble doesn’t go away, that doesn’t necessarily mean that that isn’t the device. Sometimes the device switching off looks different from unplugging to Sense, so the bubble will persist. The only place that you can see exact realtime feedback is in the Power Meter. But there it might be difficult to separate drop in power between refrigerator usage ice maker usage. One option is to leave th…