4 Interior dehumidifier, Absorbs damp crystals in box

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Wheels/castors These could come in useful if your dehumidifier is heavy – they can weigh from 6kg to more than 16kg.

Dehumidifiers do not kill mould, but they help make it inert and stop it from spreading (the spores love humid air!). You need a dehumidifier to treat the underlying cause and a good mould killer to eliminate it completely. Here’s our guide to the best mould removers so you can clean it off any surface and stop it from regrowing. How do dehumidifiers work? Dehumidifiers don’t have to be noisy, and there are some good near-silent options. They will work discreetly in your home without interfering with your sleep or work, so a quiet mode or eco mode is well worth any extra, particularly if it will save you some cash in running costs.It’s important to do get rid of your dehumidifier in a way that isn’t harmful to the environment. If sent to landfill, it could release the refrigerant into the environment. In some models, particularly older ones, these can be HFCs, which are greenhouse gases. If you have more serious damp issues, then although a dehumidifier can help to reduce the problem and improve the air quality in your home, it won't prevent the damp from occurring in the first place, so it's important to get to the root of the issue. Read our guide to how to get rid of damp for help in identifying the cause of your damp issues, and how to treat them. As cleaning expert, Matthew Harrison from Price Your Job explains, if you house suffers from more serious damp issues, then 'to prevent future mould problems, you should consider draught-proofingand other jobs which will prevent moisture from entering your home in the first place'. Do dehumidifiers help to dry clothes? Type: Moisture Absorber | Extraction amount: 12L | Tank capacity: 2.5L | Dimensions: H19.7 x W15.2 x D14.7cm | Weight: 0.8kg | Power: None required | Cost per hour: Free | Noise level: 0dB | Max room size: 20m² | Laundry mode: No | Warranty: N/A What we like If you need a dehumidifier capable of reducing moisture in a larger space or have more significant damp levels, then you need a dehumidifier with a high extraction rate. This Russell Hobbs model can extract 20L of moisture from the air per day, and whilst it doesn't quite offer as much functionality as the comparable 20L MeacoDry Arete One (and can't beat the Meaco on energy efficiency) it is a cheaper upfront investment.

Like compressor dehumidifiers, Peltier dehumidifiers also use a condensation process to remove moisture from the air. However, they do this via a thermoelectrical process rather than using refrigerant and a compressor, so they're generally a lot quieter and more economical to run. The downside is that they're far less powerful, so Peltier dehumidifiers tend to very small and best for localised areas of moisture – they won't be powerful enough to help with damp in a large room or entire house. A desiccant dehumidifier differs in that it uses an absorbent material or chemical dessicant to extract moisture from the air. This means they can operate efficiently in lower temperatures, down to just 1°C, and are useful for garages, basements, conservatorys, or unheated rooms in the house over winter. However, they're usually more expensive both upfront and in terms of running costs than a compressor dehumidifier, so unless you're looking to remove damp at cold temperatures you're generally best off with a compressor model. All dehumidifiers do the same basic job of removing excess moisture from the air. However, there are three different technologies that do all the hard work. We have a dehumidifier and use it when the heat is on occasionally to make sure the rooms are dry. We live in an old house, and I am surprised and what it removes. We open wardrobes in bedrooms and use it every so often. Haven't used it yet, but ours was an Argos own brand, and it is excellent. We have had it for years."(Brand recommended by Mumsnet user billy1966) Just like the larger model, the 10L has a laundry mode to dry your washing, and can double as an air purifier with the bundled HEPA filter inserted – although we found it a little less effective in our air-purifying tests than most dedicated models. As a dehumidifier, it’s hard to fault, working efficiently in small and medium-sized rooms to reduce humidity levels and get rid of mould and moisture. Throw in the intuitive controls and easily removable water tank, and this is the best of the compact options, and ideal for smaller rooms and homes.So, how does that affect you? Living in a mouldy and damp home can cause serious health issues, particularly for allergy and asthma sufferers, which include an increased risk of respiratory illness and infections. Additionally, damp can make your home look unattractive and give it a musty smell, with the excess moisture causing damage to your walls, carpet, ceiling and furniture. What does a dehumidifier do?

The advantage of this type of dehumidifier is that it works well in warm and cold spaces. The only downside is that they tend to release warm air into a room, which you may not want in an already-heated home. However, they are ideal for a cold garage, loft or conservatory as they can operate below 10 degrees, unlike a compressor dehumidifier. They are also much quieter, so they might be a preferable option for you to use in a bedroom. Their main disadvantage is that they use a lot more energy and therefore cost more to run. Refrigerant (compressor) dehumidifier In our opinion, the Pro Breeze 12L Low Energy Dehumidifier can't beat the MeacoDry Arete One Dehumidifier on performance, nor is its energy use lower than the comparable MeacoDry 12L Arete One. However, it's a popular choice thanks to its lower price tag, and the fact that – unlike the Meaco dehumidifier range – you can regularly find the Pro Breeze 12L reduced further during sale periods. It's also worth considering noise levels and energy consumption before you invest in a dehumidifier. What's the quietest dehumidifier?

If you’ve bought a second-hand dehumidifier, read our guide to your rights when buying second-hand goods. How do I dispose of a dehumidifier?