Humidity levels: Relative humidity (RH) should sit between 30 to 60%, and most models have a built-in humidistat to keep the room at your chosen level. Devices with an auto-setting monitor adjust the moisture levels in the room, which can save on electricity. Air filter: Some models come with a HEPA filter which helps to provide cleaner air in your home, which will be helpful for any allergy sufferers. smaller amounts of moisture, whereas medium and large devices carry a much larger capacity. Therefore, they might be more comfortable in larger and wetter areas. Simple and standard, the only additional feature is that you can choose between their four pre-set humidity levels to match your and your home's needs. All you’ll need to do is pop it in a corner and let it run, it costs around nine pence an hour so that it won’t break the bank, and when it is full, the dehumidifier will automatically shut off to avoid spillage. The only downside is that at 47dB, it is between a whisper and a regular voice; it is a little noisier than its competitors, so we recommend keeping it out of the bedroom at night. Timer Allows you to program the dehumidifier to turn on and/or off after a specified time. This could help you to save money if you're on a tariff offering cheaper energy at certain times of day, or if you want to leave the dehumidifier on for a few hours after going out, but you don't need it on all day.

If you’ve noticed that there is a lot of condensation on your bedroom windows in the morning, it might be time to buy a dehumidifier. During the night, we sweat (a lot more than you might think) and breathe out warm air; this adds to the moisture in our room. However, dehumidifiers can be noisy, especially the compressor type, and with sleep already at a premium, finding one that doesn’t keep you awake is an absolute must! That’s where the Silentnight dehumidifier comes in. The Netta 12L dehumidifier offers a massive 12L extraction rate. This is truly unprecedented at this price point, we are yet to find this extraction rate in other dehumidifiers at the same price. If you are looking for a powerful dehumidifier that won’t bust your wallet then this could be a solid option.

About the author

VARIOUS MODES AND DIGITAL CONTROL: This product comes with 2 fan-speed modes, an automatic restart, a 24-hour timer and an auto-defrost feature. It also includes continuous dehumidification and a continuous drain-overflow pipe. The digital control screen with adjustable humidity control allows you to adjust the desired humidity extraction between 30-80%. Dehumidifier manufacturers have started to update their older models or create new ones using refrigerant gases with less of a global warming impact, such as R290. If you buy an older second-hand model, it may use a HFC (hydrofluorocarbon) refrigerant that can be a potent greenhouse gas if leaked. To get the most out of your dehumidifier, you will want to place it as close to the source of the damp as you can. As a dehumidifier can be noisy and bulky, it’s tempting to hide it away in a corner. But for larger rooms, try and place your dehumidifier in the centre so it benefits from the circulating air. Wheels/castors These could come in useful if your dehumidifier is heavy – they can weigh from 6kg to more than 16kg.

During our testing process we found it really easy to use and operate, and our reviewer loved the Smart App connectivity (something few dehumidifiers offer) as it gave her a lot more control over how she could use the machine, saying 'the in-App experience is fantastic, the menus are really clear, and changing the settings is simple'. High humidity can be caused by many everyday activities such as cooking, taking a bath or shower, or even using a washing machine. That depends on your humidity levels and what you’re trying to achieve. You don’t always have to leave your dehumidifier on, but you may want to if your damp problem is severe. Also, it can be cheaper to run them at night. Some dehumidifier brands routinely do well or badly in our tests, while others are a lot more hit and miss.However, it's not perfect. A powerful extraction rate of 20L, plus that Laundry boost mode, means higher running costs. This dehumidifier guzzles 440W of energy compared to the 20L MeacoDry Arete One's 216W. What the Pro Breeze 20L Premium does offer is a more generous water tank of 5.5L compared to the 20L MeacoDry Arete One's 4.8L, although in practice we didn't find ourselves emptying the MeacoDry that much more frequently. Intelligent Humidity Control + Wifi function】With easy-to-use digital controls and a clear LED display, adjusting humidity levels and settings is a breeze.The dehumidifier continually monitors indoor humidity levels, adapting its operation to maintain an ideal comfort zone and you are able to use the app to have remote access Choose the right capacity for the size of your space, the number of people living in it and the severity of your damp problem.