Can the water bucket overflow if I'm not home? 23 March 2023 03:39 Updated No. All our models have a water float which is triggered to turn the dehumidifier off when the bucket is full. Related articles Can Ausclimate dehumidifiers stop mould/mildew, musty odours and condensation? Are dehumidifiers noisy? Compressor or Desiccant dehumidifier; which one do I need? Can I use a dehumidifier as a clothes dryer? Does it matter if I purchase a dehumidifier that's too small?