The Independent has reviewed various dehumidifiers to help consumers choose the best one for their needs. Dehumidifiers remove excess moisture from the air, which helps prevent mold growth, improve air quality, and protect furniture and electronics. The Ebac 4000 series 4650e 18l is highlighted as the best overall model due to its smart control system that learns a user’s home humidity patterns and adjusts its operation automatically. With an 18-liter extraction capacity, it runs quietly at 30 to 39 decibels and costs around 4p per hour to operate, making it both efficient and user-friendly. For those on a budget, the Daewoo 700ml is recommended. It offers a 300ml extraction capacity, runs at 35 to 42 decibels, and costs just 1p per hour. The Dreo smart dehumidifier 512S 20l is praised for its smart features, including compatibility with Google and Alexa. It has a 20-liter extraction capacity, operates at 38 decibels, and costs 9p per hour. The ProBreeze 12l dehumidifier is noted for its value, with a 12-liter capacity, 34 to 39 decibels of noise, and a 5p per hour running cost. For smaller spaces like bedrooms, the Meaco arete one 6l is ideal. It has a 6-liter extraction capacity, runs quietly at 32 to 35 decibels, and costs 3p per hour. The Lakeland 2.3l is recommended for bathrooms, offering a 420ml extraction capacity, 35 decibels of noise, and a low running cost of 1p per hour. The Swan 5l retro dehumidifier stands out for its stylish design, with a 5-liter capacity, 37 decibels of noise, and a 4p per hour cost. For larger spaces or areas with high humidity, the Duux bora smart 30l is recommended. It has a 30-liter extraction capacity, runs at 30 to 36 decibels, and costs up to 8p per hour. The Princess smart 20l is ideal for garages or cellars, offering a 20-liter capacity, 36 to 46 decibels of noise, and a 9p per hour cost. The Russell Hobbs fresh air two-in-one dehumidifier is highlighted for use on desks, with a 750ml extraction capacity, 35 to 42 decibels of noise, and a 1p per hour cost. Lastly, the Dryzone 12l dehumidifier is noted for its ability to dry clothes, with a 12-liter capacity, 36 to 39 decibels of noise, and a 4p per hour cost. Experts recommend selecting a dehumidifier based on the size of the room and specific needs, such as drying clothes or reducing mold. Factors like noise levels, humidity reduction, air quality improvement, and cost per hour were considered in the tests.