About a year old. Was brilliant in our old house last winter. About $1 a day to run.

This is info on Mitre 10 website

This Goldair Desiccant Dehumidifier pulls moisture from the air reducing humidity levels and allergens; such as dust mites, mould, and mildew. Extract up to 8 litres per day to a 2 litre water tank. Desiccant dehumidifiers are more efficient, extracting more humidity in temperatures 15 degrees and lower, compared to traditional compressor dehumidifiers. A good choice for Southern Winters with new technology making it especially suitable for colder climates, with a working range of 0 - 35°C.