The right dehumidifier depends mainly on the size of the room, the noise level you can tolerate and the operating temperature. Get those three factors right and the rest of the choice is straightforward.
With the arrival of spring, indoor humidity can become a real problem, encouraging mould growth and making the air feel heavy and unhealthy. A dehumidifier is the ideal tool for keeping humidity at the right level and improving both air quality and living comfort. But how do you choose the right one for your home?
Why does indoor humidity matter?
The ideal humidity range is between 40 % and 60 %. Higher levels can cause:
- Formation of mould and condensation
- Increased dust mite populations
- Respiratory problems and allergies
- Damage to furniture and walls
A dehumidifier keeps the environment healthy and comfortable, particularly in damp rooms like bathrooms, kitchens and basements.
Types of dehumidifier
- Compressor dehumidifiers
The most common type, ideal for warm rooms with high humidity levels. A compressor condenses the moisture from the air and collects it in a tank.
- Desiccant dehumidifiers (zeolite)
These use an absorbent material to capture moisture. They are more efficient at low temperatures and are particularly quiet, making them a good fit for bedrooms or offices.
- Thermoelectric dehumidifiers
Compact units suited to small spaces, working on the Peltier principle. Their dehumidification capacity is limited compared to compressor models.
How to choose the right model
- Room size
A dehumidifier's capacity is measured in litres of water removed per 24 hours. For a medium-sized room (20 to 30 m²), a unit with 10 to 12 litres per day is enough. A strong choice is the Ariston Deos Evo 12, with a 12-litre daily capacity, designed for domestic use.
- Energy efficiency
Choose models with low energy consumption to reduce your electricity bill. The Ariston Deos Evo 12, for example, uses the R-290 refrigerant, which is both eco-friendly and efficient.
- Noise level
For bedrooms or offices, look for quiet units (below 40 dB) so comfort is not affected during rest hours.
- Extra features
Air filter: some models include a filter that removes dust and allergens from the air.
Digital display: lets you monitor humidity levels and adjust settings easily.
Auto-defrost: useful if the unit is used in cooler rooms.
Tips for best results
Position the dehumidifier away from walls and furniture to allow good air circulation. Keep doors and windows closed while it is running. Clean the filters regularly to maintain efficiency.
Choosing the right dehumidifier makes a noticeable difference to indoor air quality and helps prevent the problems caused by excess humidity. The Ariston Deos Evo 12 is a solid choice for anyone looking for an efficient, quiet and easy to use unit. Browse our full range on our website and find the right dehumidifier for your home.