The 10 Best Ion Dehumidifier Offers in UK - September 2025

Last updated: 16. September 2025
Ion Dehumidifier Comparison - We´ve already helped over 5 million consumers this year!
1
Best Rated
10.0
  • Smart Drainage:The built-in sensor detects that the water is full and automatically starts the drainage function, no operation required.8500ml large capacity water tank.Connect the hose for uninterrupted drainage.
  • Industrial Core Dehumidifier:underground storage room, warehouse / private small commercial wine cellar / 50 square meters of personal garage / 90 square meters of duplex upstairs and downstairs.
  • Low Engine Noise:The whole machine adopts sound insulation and environmental protection materials, which makes the machine operate with low sound.
  • High Efficient Dehumidifiers for Home:Still annoyed about the muggy weather? Just Take it easy! have a try at Air dehumidifier, in a closed small room with humid environment of 27°C and 60% RH, it can collect a max of 60000ml/105 Pint) of water in 24 hours, and with very low energy consumption (no more than 1-kilowatt hour a day).
  • Four Dehumidification Modes:Normal mode;Dehumidification mode: 30% ~ 80% custom humidity (for daily dehumidification);Continuous dehumidification mode, strong dehumidification, humidity does not rise (suitable for extreme humid weather);Clothes drying mode circulating large air volume to extract moisture to change clothes (suitable for dehumidification incloakroom/clothing area).
2
Best Price
9.9
Free Delivery**
  • 【Low Energy Dehumidifier】 Our electric dehumidifier equipped with a large 1L water tank, which can achieve a dehumidification capacity of up to 350-400ml per day (actual amount of dehumidification varies by the environment) . The 23W dehumidifier only consumes about 0.55 kWh/day, helping you save on electricity bills.
  • 【 Safe Auto Shutdown & Timer Function】 With a smarter Hall Sensor, this mini dehumidifier shuts off automatically with a beep sound and red light when the 1L water tank is almost full. Additionally, the running time can be preset using the 4H/8H/12H timer for energy savings. No worries about water overflow.
  • 【Ultra Quiet Dehumidifier】Whether your child is studying late in the dorm room or you’re drifting off in your own bedroom, this quiet mini dehumidifier runs softly with noise as low as 30 dB in the background. No buzzing, no disturbance—just 7 color lights to accompany your night give you peace of mind and better focus.
  • 【2-in-1 Dehumidifier and Air Purifier】 Our upgraded dehumidifier is equipped with a G4 air filter (can be removed for cleaning), which purifies unpleasant odors and removes dust particles. The built-in ionizer releases healthy negative ions into the air. This powerful air purification feature creates fresh air for you and alleviate allergies.
  • 【Must Have for Home Damp】This small and portable dehumidifier is only 6 x 6 x 10 inches, making it lightweight, compact, and easy to fit anywhere. It features a detachable 34oz (1000ml) water tank that’s simple to remove, clean, and reuse. Perfect for reducing excess moisture and preventing mold in your bedroom, bathroom, closet, basement, RV, or camper.
3
9.8
  • [Efficient Dehumidification Capacity] The dehumidifier removes up to 12 litres of moisture per day, effectively reducing humidity in the air and preventing mould growth. It’s perfect for spaces ranging from 20 to 25 square meters, including bedrooms, bathrooms, offices, basements and garages.
  • [4 modes and 2 speeds] Select from Auto, Sleep, Negative Ions, and Regular modes, with two fan speeds to suit different dehumidification needs. The automatic defrost function prevents frost buildup on the heat exchanger in cooler environments.
  • [Negative ion purification function] The dehumidifier features a Negative Ions function and a reusable, washable activated carbon filter for air purification. Its unique air inlet design minimizes noise, ensuring quiet operation that won’t disrupt sleeping, working, or studying.
  • [With LED Display] Equipped with an intelligent humidity sensor and a touchscreen LED display, this dehumidifier lets you easily monitor and adjust humidity and temperature. It also includes a timer function for flexible scheduling.
  • [Flexible Drainage Options] When the water tank is full, the dehumidifier automatically stops and alerts you with an LED indicator. It also includes a 3.94-foot drainage hose for optional continuous drainage to an external outlet, offering added convenience and peace of mind.
4
9.7
  • 【EFFICIENT MOISTURE AND MOLD REMOVAL】The dehumidifier boasts a performance of 12 liters/day, effectively removing moisture and preventing mold formation, especially in areas of 20-25 square meters. Ideal for rooms, offices, living rooms, basements, bathrooms, garages, bedrooms, and more.
  • 【4 MODES AND 2 FAN SPEEDS】Choose from Auto, Sleep, Negative Ions, and Regular modes, with two fan speeds to meet various dehumidification needs. The automatic defrost feature prevents frost buildup on the heat exchanger in lower temperature environments.
  • 【LED DISPLAY】Equipped with a built-in intelligent humidity sensor and touch control, the LED display panel provides convenient and accurate readings of humidity, temperature, timer, and other modes. The 24H timer allows you to set a shutdown time as needed, saving energy and electricity.
  • 【SAFE & AIR PURIFICATION】Features an Negative Ions function and a reusable, washable activated carbon filter to purify the air. When the water tank reaches its maximum capacity, the dehumidifier will beep continuously for 5 seconds, stop working and display error code "E1" on the screen. Remove the tank, empty the water, and place it back into the dehumidifier to resume operation.
  • 【ULTRA-QUIET】The unique air inlet design effectively reduces noise: Auto mode: <50dB, Sleep mode: <40dB, Regular mode: <55dB. Convenient to use and quiet in operation, it won't disturb your sleep, work, or study.
5
9.6
Free Delivery**
  • WINNER OF THE WHICH? BEST BUY AWARD: Awarded the Which? Best Buy for Dehumidifiers (April 2025) recognising top-tier performance, reliability, and value. Independently rated one of the best dehumidifiers on the market.
  • LOW ENERGY CONSUMPTION: This powerful Pro Breeze dehumidifier efficiently removes up to 20L of water per day with an ultra-efficient compressor, a 24-Hour on/off timer and an energy saving auto shut-off system. It's ideal for combatting damp, mould, condensation and moisture in homes, garages and bathrooms. Running cost as low as 7p per hour (October 2024).
  • SMART APP CONTROL: Use the free Pro Breeze app or voice commands to control all the functions of this smart 20L dehumidifier from your bed or sofa. Compatible with Amazon Alexa and Google Home for iPhone and Android.
  • ULTRA-QUIET & COMPACT SIZE: With sound levels of less than 38dB, this compressor dehumidifier is a market-leader in low noise, operating extremely quietly. Work, read or sleep undisturbed as your dehumidifier works tirelessly to achieve your desired room humidity. Additionally, it's extremely compact for a compressor dehumidifier, making it perfect for use in tight spaces.
  • AUTOMATIC HUMIDITY SENSOR: The dehumidifier automatically measures the ambient room humidity level and displays it on the digital LED display panel, allowing you to set your desired room humidity between 30-80%. Once this level has been reached, the dehumidifier will turn off to conserve energy.
  • DIGITAL LED DISPLAY & 24-HOUR TIMER: Programme the dehumidifier for bedroom to turn on or off at any time of the day or night using the 24-hour timer function. The easy-to-read screen allows you to control 3 operation modes including auto, continuous and sleep mode.
  • LARGE 4L WATER TANK: Features a large water tank and a removable hose for continuous drainage, this dehumidifier collects litres of water per day without you needing to empty the tank. The dehumidifier is easily portable with 4 wheels included.
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9.5
  • Simultaneous Air Purification and Efficient Dehumidification: The DH16 dehumidifier goes beyond merely regulating humidity levels in your home, encompassing a dual functionality that includes potent air purification. Tailored for home spaces, this compact unit seamlessly integrates HEPA filtration. This ensures not only optimal moisture control but also exceptional purification by trapping 99.97% of fine particles, such as dust, pet dander, and smoke, as small as 0.1 microns.
  • Enhanced Filtration with Negative Air Ion Technology: The DH16's robust filtration system, featuring the high-performance H13 filter, isn't limited to capturing particulate matter. It also incorporates Negative Air Ion (NAI) technology, allowing you to revel in a refreshing atmosphere reminiscent of the natural outdoors right within your room. This combination creates an environment where air purification harmonizes with dehumidification.
  • Intuitive Controls and User-Friendly Features: Boasting a 54oz (1600ml) reservoir, this dehumidifier streamlines water removal. The device automatic shut-off when the tank reaches capacity, and for added convenience, it accommodates connection to a drain hose, reducing the frequency of manual emptying. The user-friendly control panel facilitates easy programming of a 24-hour timer, complete with a countdown display for straightforward monitoring.
  • Whisper-Quiet Operation with Dual Modes: The DH16 caters to varied needs with its dual running speeds. The lower speed ensures a near-silent operation at 35db, ideal for tranquil nights. Meanwhile, the higher speed, designated for daytime use, optimizes dehumidification efficiency without sacrificing performance. This dual-mode functionality promotes a harmonious blend of effective dehumidification and unobtrusive operation.
  • Efficient Dehumidifying Capacity for Healthier Spaces: Engineered to extract 700-800ml of water daily under conditions of 30°C and 80% relative humidity, the DH16 stands as a practical and efficient solution for maintaining a healthy indoor environment. Its unique ability to purify the air during the dehumidification process ensures a comprehensive approach to enhancing the overall quality of your living space.
7
9.4
  • 【HIGH EFFICIENCY DEHUMIDIFIER】Equipped with a 1200 ml (40 oz) water tank, it can quickly and effectively remove 500 ml (16 oz) of moisture from the air per day, temperature: 30℃, humidity: 80% RH. Ideal for spaces up to 30 square meters, keeping your home comfortable and healthy. Additionally, 360° airflow better removes moisture and releases fresh air.
  • 【SMART HUMIDITY SENSOR & DIGITAL DISPLAY】Adjustable humidity control allows you to set your desired humidity level between 40-70% in 5% steps, giving you complete control. The smart comfort mode automatically adjusts the dehumidification volume for worry-free operation.
  • 【AUTOMATIC SHUT-OFF WITH DRAIN HOSE】The dehumidifier is designed for home use in basements, bathrooms, wardrobes and flat areas. It has high dehumidification efficiency and will automatically turn off with a red indicator light when the tank is full, and comes with a drainage hose.Very easy to use.
  • 【 EASY TO USE 】The durable air filter helps to reduce dust and quickly evaporates excess air moisture.The removable water tank with comfort handle and overflow protection devices is easy to empty or connect the drain hose (included) to the drain opening for effortless automatic draining for continuous water drainage.
  • 【SINCERE SERVICE】We are responsible international sales staff providing high-quality services. If you have any questions, please feel free to contact us. Don't hesitate, browse to the top and click "Add to Cart" to buy this amazing premium product now! ! !
8
9.4
  • 【Three Dehumidification Modes】Dehumidification mode: 30% ~ 80% custom humidity (for daily dehumidification);Continuous dehumidification mode, strong dehumidification, humidity does not rise (suitable for extreme humid weather);Clothes drying mode circulating large air volume to extract moisture to change clothes (suitable for dehumidification incloakroom/clothing area).
  • 【APP Intelligent Control WiFi link】Remote control frees hands.1-key intelligent control of whole house dehumidification.Dehumidification can be controlled remotely through a mobile phone, making life smarter.
  • 【Large Area Intelligent Dehumidification】Rapid dehumidification, intelligent constant humidity, and no dampness in the whole house.Strong wind forms convection dehumidification to achieve large-scale dehumidification without dead ends.
  • 【4800ml Large Capacity Water Tank】4.8L large-capacity water tank, avoid frequent water pouring, automatic shutdown whehen water is full.The hose is continuously draining, so you can sleep peacefully without worrying about the problem of pour.
  • 【Turbo Centrifugal Fan】Using a new aerodynamic-turbine centrifugal fan blade, the strong wind power quickly discharges the wind, greatly improving the dehumidification speedrand new air duct circulation systemionic wings and fan blades save energy.
9
9.3
  • Dehumidification + Dual Effect Purification: Not only effectively removes excess moisture from the air, preventing the growth of mold and bacteria, but also comes with a negative ion generator that actively purifies the air, settling dust, pollen and other particles, providing you with double protection and creating a healthy and comfortable home environment.
  • Large Capacity Silent Dehumidification: Thanks to a high-efficiency compressor and optimized air duct design, the average daily dehumidification capacity reaches 12,000 ml, with powerful dehumidification and fast results. In addition, it is optimized for quiet environments, with a noise level of as little as 30 decibels, making it especially suitable for continuous use in quiet spaces such as bedrooms and baby rooms, without disturbing the
  • 【Intelligent Constant Humidity & Multiple Modes】Built-in intelligent humidity sensor automatically monitors and maintains indoor humidity in the most comfortable range from 40% to 60%, saving energy and worry. One-touch dehumidification mode and optional three timers easily adapt to the needs of different situations and make life more convenient.
  • Safe Design & Easy to Use - Equipped with a large 1300ml water tank with display, the machine automatically stops and emits a warning when full, preventing spills. Its simple design makes it easy to carry.
  • Negative Ion Air Purification Design The unique built-in negative ion generator releases a large amount of negative ions while dehumidifiing, effectively neutralizing dust, smoke and other particles suspended in the air, reducing odor, making you feel like you are in a forest after the rain, and every breath is refreshing.
10
9.2
  • Efficient dehumidification: The L12 * W9.2 * H18.5 inch home bedroom dehumidifier can remove 541 ounces of water per day, suitable for spaces under 1291 square feet, with better results. The dehumidification speed in large spaces is extremely fast, providing strong power for the dehumidifier to work efficiently.
  • Dehumidifier Humidity Control : This bedroom dehumidifier has a environmentally friendly negative ion function, equipped with an intelligent display and touch button for visual humidity, making operation simpler than most traditional dehumidifiers. Dehumidifiers for large room In normal dehumidification mode, press the button to select (30% -80% Rh) to set the desired humidity.
  • User-friendly convenience: 1291 square feet of home dehumidifier touch screen to ensure a clear display, easy to check the current humidity;118 ounces of large water tank to meet daily use, but also external drain continuous drainage (complimentary drain hose), even if not at home, do not have to worry about water full, basement dehumidifier with drain hose
  • 【Multi-way upgrade dehumidifier function】large dehumidifier Although it is a compressor type dehumidifier, it uses super quiet technology to keep you away from annoying disturbances. Two-way timer function increases from 1 hour to 24 hours preset delay off or delay on time to reduce energy consumption. The home dehumidifier has a 3-speed wind option with multi-mode functions such as dehumidification, negative ionization and clothes drying to better meet your dehumidification needs.
  • Intelligent constant humidity: dehumidifiers for home 1000 sq ft precision humidity sensor automatically detects humidity Comfortable exterior design-deshumidificador de humedad para casa Four 360° gimbal wheels have become one of the must-have accessories for every dehumidifier. The front digital humidity display can be easily used as a hygrometer to detect the humidity at different time periods, allowing you to control the room humidity at any time. 24-hour timer on/off, thoughtful design

Compare Ion Dehumidifier and find the most suitable offer.

More information about Ion Dehumidifier and why you should compare offers and deals:

Ion dehumidifiers are innovative and efficient devices designed to combat excess moisture in indoor spaces. These dehumidifiers work by utilizing advanced ionization technology to remove moisture from the air, creating a more comfortable and healthier living environment. With their compact size and powerful performance, ion dehumidifiers have become popular solutions for homes, offices, basements, and other spaces prone to high levels of humidity.

One of the key features of ion dehumidifiers is their ability to effectively remove excessive moisture from the air. They achieve this through the ionization process, which releases negative ions into the air. These ions attract and bind to water molecules, causing them to condense and precipitate as liquid water. The collected moisture is then drained or stored in a removable tank for easy disposal. This process not only reduces the humidity levels in the room but also helps to eliminate musty odors and inhibits the growth of mold and mildew.

In addition to their moisture removal capabilities, ion dehumidifiers also come with several convenient features. Many models include built-in humidistats, which allow users to set and control the desired humidity level in the room. This ensures optimal performance and energy efficiency. Some ion dehumidifiers also feature auto-shutoff functions to prevent overflow when the water tank is full, as well as timers and programmable settings for personalized usage. Their sleek and compact design makes them easy to blend into any living space, while their quiet operation ensures minimal disturbance.

Overall, ion dehumidifiers are an excellent choice for those seeking effective moisture control. By removing excess humidity from the air, these devices improve indoor air quality and create a more comfortable environment. Whether in homes, offices, or other spaces, ion dehumidifiers offer efficient and reliable solutions to combat moisture-related issues and promote a healthier living atmosphere.

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