10 Best Mini Dehumidifiers

The MeacoDry Arete® Two is a compact dehumidifier designed to remove up to 10 litres of moisture per day, suitable for spaces like flats, two-bedroom homes, or garages covering up to 42 square metres. It also doubles as an air purifier with a HEPA H13 filter, which helps clean the air from dust and allergens — a nice bonus if you’re sensitive to indoor air quality. It’s energy efficient, costing just a few pence per hour to run, which makes it practical for everyday use without worrying about high electricity bills. Noise is kept to a minimum at 35 decibels, quieter than many similar devices, and there’s a Night Mode that dims the display and reduces sound for undisturbed sleep.

The 10-litre tank means it can hold a good amount of water before needing emptying, and it will automatically shut off when full, so you don’t have to keep an eye on it constantly. A smart feature lets you control humidity levels via an app or voice commands, which is handy but might be more useful for those comfortable with smart devices. There’s also a Laundry Mode that helps dry washing indoors efficiently, saving energy compared to a tumble dryer. Weighing about 10.7 kg, it’s not the lightest option but still manageable to move around.

This model covers moderate spaces well and combines air purification with quiet operation. The price and smart features might be more than needed if you just want a simple dehumidifier, but for anyone looking to tackle dampness, improve air quality, and keep noise low in a home or flat, it offers a thoughtful mix of performance and convenience.

The ANSIO Dehumidifier 500ml is a compact, portable moisture absorber ideal for small spaces like wardrobes, bathrooms, kitchens, and caravans. It uses special crystals to draw in dampness and can absorb up to three times its own weight in water, helping reduce mould, mildew, and unpleasant odours. The tub has a 500ml capacity, which suits limited coverage areas rather than larger rooms. It doesn’t require electricity, so it’s energy-efficient and completely silent—great if noise is a concern.

Because it’s a disposable unit without an auto shut-off feature, you need to monitor it to avoid spills and replace it once full. The product is easy to use by simply peeling back the foil and placing it where needed, but it’s not designed for heavy-duty or whole-room dehumidification. It works well for tackling localized damp problems or supplementing an electric dehumidifier, especially in smaller or hard-to-reach spots.

The Pro Breeze OmniDry is a compact and quiet dehumidifier that removes up to 12 litres of moisture per day, making it well suited for small rooms, bathrooms, or garages where excess dampness is an issue. Its noise level is very low (under 38dB), allowing use without disturbance while working or sleeping. The device features an automatic humidity sensor that lets you set and maintain your preferred humidity level between 30% and 80%, which helps save energy by turning off once that target is met. It also includes a handy digital display and a 24-hour timer for easy scheduling.

One of its strengths is the 2-litre water tank combined with an option for continuous drainage using a hose, so you don’t have to empty the tank frequently. The unit is portable with wheels, though it weighs about 11 kg, which is somewhat heavy for a mini-dehumidifier but typical for this capacity.

The daily moisture removal rate is decent for small to medium rooms, but this model is not designed for very large spaces or heavy-duty use. The energy-efficient compressor and auto shut-off system keep running costs low, around 7p per hour, which is a nice bonus if you plan to run it often. It represents a reliable choice if you want a quiet, energy-conscious dehumidifier for controlling dampness in compact areas without frequent water disposal.