The 10 Best Ion Dehumidifier Offers in UK - December 2025
Last updated: 16. December 2025
Ion Dehumidifier Comparison - We´ve already helped over 5 million consumers this year!
1
Best Rated
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
- High-Performance Moisture Removal for Large Rooms: This home dehumidifier efficiently removes up to 30L of moisture per day, ideal for large rooms up to 60m² such as master bedrooms, living rooms, and open-plan areas. The 45°–90° oscillation ensures even air circulation, helping to reduce damp, condensation, and mould throughout your home.
- Large 5L Water Tank with Full Tank Alert: Designed with a spacious 5L removable tank, this large room dehumidifier operates for extended periods before needing to be emptied. A convenient full-tank reminder alerts you when the tank is full, ensuring continuous, worry-free performance and a consistently comfortable indoor environment.
- Smart Humidity Control & Timer Settings: Easily customise your preferred humidity level and timer (1–24 hours) using the soft-touch control panel. The multicolour humidity indicator displays real-time conditions, while intelligent sensors automatically adjust operation for optimal efficiency, comfort, and energy savings during home use.
- Advanced Air Purification & Eco Efficiency: This air purifier dehumidifier combines a HEPA 10 filter, UV light, and ION function to remove dust, allergens, odours, and bacteria, creating a cleaner and fresher home atmosphere. The eco-friendly R290 refrigerant provides powerful dehumidifying with a low environmental impact, supporting a sustainable home.
- Quiet, Portable & Laundry-Friendly Design: With a low 43dB noise level, this quiet dehumidifier runs smoothly in bedrooms or workspaces without disruption. The laundry mode accelerates indoor clothes drying during wet weather, while its compact design, integrated handle, and wheels make it easy to move from room to room.
2
Best Price
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 74% OFF!
£97.95
(74% DISCOUNT!)
- 【High-Definition Digital Display】: Enjoy the convenience of a high-resolution LCD digital humidity display, providing real-time feedback on indoor humidity levels.
- 【Releases 500 Billion Negative Ions】: Experience the exceptional efficacy of advanced air purification technology. This dehumidifier releases up to 500 billion high-concentration negative ions, breaking down harmful substances like formaldehyde and eliminating PM2.5 particles.
- 【Intelligent 6.0 Chip Technology】: Equipped with a 6.0 chip intelligent temperature control system, ensuring highly efficient dehumidification performance.
- 【Ultra-Quiet Operation】: Low-decibel operation in dual drainage mode safeguards undisturbed sleep.
- 【10L Weekly Dehumidification Capacity】: 360° cyclical dehumidification combined with 8D spatial real-time intelligent calculation achieves dynamic whole-home humidity control. One unit replaces three, intelligently managing your entire home.
3
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 15% OFF!
£129.99
(15% DISCOUNT!)
Free Delivery**
- 20L/DAY LOW CONSUMPTION DEHUMIDIFIER: Reduces up to 20L of moisture per day and covers a room area of up to 45m2. Absorb the excess moisture in the air to reduce dampness in the room, creating a better environment and protecting your furniture from humidity damage. With the 24-hour timer you can schedule precisely the operational period of your dehumidifier thus avoiding needless use when you 're not at home.
- EASY TO SET DESIRED HUMIDITY + INVENTOR CONTROL APP: easy-to-use digital controls & a clear LED display, adjusting humidity levels and settings providing a breeze, allowing them to continually monitor indoor humidity levels and maintain an ideal comfort zone. Control using the app on your phone, compatible with Amazon Alexa and Google Assistant. Set weekly schedules, temperatures and modes.
- WHISPER QUIET DEHUMIDIFICATION: This dehumidifier for home employs silent compressor technology, producing a working sound lower than 41dB, quieter than a library in your room. Activate night mode for a tranquil, undisturbed night's rest.
- SIMPLE OPERATION WITH DIGITAL DISPLAY: The dehumidifier features three modes(high/low/silent) to tackle more situations. A digital display shows the current humidity to help you adjust the % you want to achieve. The high mode is suitable for 65%~80% humidity, while the low one is for 45%～65% humidity. Customize the target humidity from 30% to 80%.
- 3L WATER TANK, WATER FULL ALERT: Collect water in the tank or continuously drain water flow to a floor drain. A large water tank reduces the frequency of pouring water, while the full tank alert reminds you to empty it in time. Never worry about wetting the floor when the device won’t dehumidify again until the water tank empties.
- SMART AND POWERFUL: Easily move the dehumidifier with 360-degree caster wheels and a big handle. The dehumidifier for bedroom is endowed with a 118m³/H high-efficiency air circulation & dehumidification to dry out the indoor air and make it comfortable for the whole wet season. It's the ideal companion for your home with net weight of 11.4 kg.
- THE PERFECT INDOOR DRYING SOLUTION: Not just a dehumidifier but also a clothes dryer with a dedicated laundry drying function this dehumidifier is ideal for any area home/gym/laundry room/storeroom/office.
4
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Free Delivery**
- ✔Effective humidity control- LEENON Dehumidifiers for home reliably removes up to 350ml water per day (tested at 30℃/80% humidity) to maintain an ideal indoor climate range of 45% -65%. This can prevent fungal formation, reduce bacteria and unpleasant odors, lower the risk of respiratory diseases, and create a noticeably more pleasant living environment.
- ✔Fresh air, healthy living- LEENON Dehumidifierr is equipped with a built-in negative ion generator that emits high-frequency negative ions, effectively cleaning indoor air and dehumidifying. Create a healthy living space and enjoy the comfort of the forest at home.
- ✔Large water tank, quiet dehumidification- LEENON Dehumidifier for home is equipped with a 1.8L water tank. When the water is full, the dehumidifier will automatically shut off to prevent water leakage. The sound is only 35dB low, keep quiet, dehumidify all night long, and enjoy a new low-noise lifestyle.
- ✔Intelligent humidity control- Our Dehumidifiers can set the ideal humidity (30-80% humidity) and automatically turn on/off according to indoor humidity until the expected humidity is reached. In addition, the 6/8/10H timer function can adjust the dehumidifier to start or stop at the desired time. Enjoy a smarter dehumidification experience.
- ✔Compact, mobile, and suitable for any room- with its integrated handle, LEENON Dehumidifier will be an ideal companion for bedrooms, bathrooms, wardrobes, living rooms, basements, or RVs. Compact dehumidifiers can effectively protect the walls, furniture, and buildings in your home from moisture damage. Install LEENON Dehumidifier wherever you need it.
- Attention: Dehumidifiers are suitable for small rooms and have the best dehumidification effect.
5
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 15% OFF!
£199.99
(15% DISCOUNT!)
- 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.
6
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 18% OFF!
£79.99
(18% DISCOUNT!)
Free Delivery**
- 12L/DAY LOW CONSUMPTION DEHUMIDIFIER: Reduces up to 12L of moisture per day and covers a room area of up to 15m2. This energy efficient 12L dehumidifier has low power consumption making it cost-effective and practical for daily use. Absorbs the excess moisture in the air preventing damp, mould and condensation. With the 24- hour timer you can precisely schedule the operational period of your dehumidifier thus avoiding needless use when you 're not at home.
- WHISPER QUIET DEHUMIDIFICATION: This dehumidifier for home employs silent compressor technology, producing a working sound lower than 41dB, quieter than a library in your room. Activate night mode for a tranquil, undisturbed night's rest.
- 2.1L WATER TANK WATER FULL ALERT & DRAINAGE PIPE: Collect water in the tank or continuously drain water flow to a floor drain. A large water tank reduces the frequency of pouring water, while the full tank alert reminds you to empty it in time. Never worry about wetting the floor when the device won’t dehumidify again until the water tank empties.
- SIMPLE OPERATION WITH DIGITAL DISPLAY: The dehumidifier features three modes(high/low/silent) ideal for damp, black mould, condensation and moisture in rooms. A digital display shows the current humidity to help you adjust the % you want to achieve. The high mode is suitable for 65%~80% humidity, while the low one is for 45%～65% humidity. Customize the target humidity from 30% to 80%.
- EASY TO SET DESIRED HUMIDITY: 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.
- SMART AND POWERFUL: Easily move the dehumidifier with 360-degree caster wheels and a big handle. The dehumidifier for bedroom is endowed with a 118m³/H high-efficiency air circulation & dehumidification to dry out the indoor air and make it comfortable for the whole wet season. It's the ideal companion for your home with net weight of 11.4 kg.
7
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Free Delivery**
- Powerful Moisture Removal for Home Use: Effectively removes up to 12L of moisture per day, ideal for rooms up to 24m² such as bedrooms, living areas and home offices. The 45°–90° oscillation ensures even air circulation throughout the room, creating a comfortable and healthy indoor environment.
- Large 2.5L Tank with Full Tank Reminder: This home dehumidifier features a 2.5L removable water tank and a full-tank alert for easy maintenance. Designed for convenience, it provides continuous moisture extraction to prevent damp, condensation, and mould in your home.
- Smart Humidity & Timer Control: Set your preferred humidity level and run time (1–24 hours) via the clear, soft-touch control panel. The multicolour humidity indicator automatically adjusts performance based on room conditions, offering effortless, energy-efficient operation for everyday home use.
- Advanced Air Purification & Eco Performance: Includes UV and ION functions for sterilisation, odour reduction, and cleaner air, plus a HEPA carbon filter to capture dust, pollen, and pet dander. The R290 eco-friendly refrigerant provides efficient dehumidification with low environmental impact.
- Quiet, Portable & Laundry-Friendly Design: With a low 39dB noise level, this compact dehumidifier runs quietly in the background—perfect for bedrooms or offices. Its laundry mode speeds up indoor drying, while the built-in handle and wheels make it easy to move from room to room.
8
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 20% OFF!
£49.99
(20% DISCOUNT!)
Free Delivery**
- 【Cost-Effective Dehumidifier & Air Purifier】 Use the dehumidification functionality separately or combine it with air purification. Our dehumidifier can efficiently remove up to 350 ml (12 oz) of water a day, providing fresh and dry air to breathe. The power of this low-energy dehumidifier is only 23W (consumes 0.55 kWh/day), helping you save on your electricity bill.
- 【Powerful Air Ionizer & Air Filter】 The built-in efficient air ionizer releases healthy negative ions into the air; while the removable, washable, and reusable G4 air filter purifies unpleasant odors and removes 90% of dust particles. This powerful air purification feature creates fresh air for you, keeping you from allergies or respiratory illnesses.
- 【Automatic Shut Off】 With a smarter Hall Sensor, this small dehumidifier shuts off automatically with a beep sound and red light when the 1L water tank is almost full. No worries about water overflow when you are not around the dehumidifier. Additionally, thanks to the improved internal push button, once the tank is removed, the machine will stop working until it is re-installed.
- 【No More Noise】 The air dehumidifier works quietly, with noise as low as 30 dB, to deliver healthy and clean air all night long. If you need a night light, the built-in 7 color lights can meet your needs; or you can turn it off separately.
- 【Easy to Carry and Use】 A modern rounded portable dehumidifier with touch controls. The back carry handle allows you to move from room to room. Preset running time with the 4H/8H/12H timer function. Small and sleek, perfect for removing moisture from your home, kitchen, bathroom, bedroom, caravan, garage, or basement.
9
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Only today: 23% OFF!
£219.99
(23% DISCOUNT!)
Free Delivery**
- Which? The Consumer Champion says: "This is the highest-scoring dehumidifier we’ve tested, so if you’re looking for a fantastic refrigerant dehumidifier, look no further." "It’s brilliant at removing water from damp air at room temperature, scoring highly for energy efficiency too."
- CONVENIENT & EASY TO USE: With a large removable 6.5 Litre water tank or the continuous drainage feature to remove up to 20 Litres of moisture today using an efficient compressor, this dehumidifier will suit everyone’s needs.
- SMART HUMIDITY SENSING: A state-of-the-art humidity sensor will detect the humidity of the room quickly and accurately. In addition to the LED display, a 3-light indicator system keep you aware of the humidity level around you.
- PORTABLE & EASY TO STORE: Four castor wheels are conveniently located on the underside of the dehumidifier to allow for easy moving without having to lift the unit each time. These can be easily fitted or removed according to preference.
- ELIMINATES MOISTNESS, ODOUR & OTHER THINGS YOU HATE: Help you eliminate the mouldy and various odour caused by moisture. Keep the environment dry and comfortable and prevent all kinds of goods from being damaged by wet air
- OPTIONAL IONISER: providing negative ions in the air reducing the fine dust in the air, helping create a hypoallergenic environment for allergy sufferers.
10
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Free Delivery**
- Powerful Moisture Removal for Home Use: Effectively removes up to 12L of moisture per day, ideal for rooms up to 24m² such as bedrooms, living areas and home offices. The 45°–90° oscillation ensures even air circulation throughout the room, creating a comfortable and healthy indoor environment.
- Large 2.5L Tank with Full Tank Reminder: This home dehumidifier features a 2.5L removable water tank and a full-tank alert for easy maintenance. Designed for convenience, it provides continuous moisture extraction to prevent damp, condensation, and mould in your home.
- Smart Humidity & Timer Control: Set your preferred humidity level and run time (1–24 hours) via the clear, soft-touch control panel. The multicolour humidity indicator automatically adjusts performance based on room conditions, offering effortless, energy-efficient operation for everyday home use.
- Advanced Air Purification & Eco Performance: Includes UV and ION functions for sterilisation, odour reduction, and cleaner air, plus a HEPA carbon filter to capture dust, pollen, and pet dander. The R290 eco-friendly refrigerant provides efficient dehumidification with low environmental impact.
- Quiet, Portable & Laundry-Friendly Design: With a low 39dB noise level, this compact dehumidifier runs quietly in the background—perfect for bedrooms or offices. Its laundry mode speeds up indoor drying, while the built-in handle and wheels make it easy to move from room to room.
Compare Ion Dehumidifier and find the most suitable offer.
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.
* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
** "Free Delivery" means that this is possible under the given conditions at the time of data retrieval from the relevant provider, but cannot be guaranteed. It is technically not possible to provide information in real-time. The shipping costs may vary under certain circumstances (different provider, place of delivery, etc.). The shipping costs shown in the further ordering process apply.
Other IMPORTANT INFORMATION that we ask you to take note of:
We may receive a commission if you make a purchase via the links on our site. This has no impact on the placement of the products on our site. Our website is part of amazon associates program - Amazon, Amazon Prime, the Amazon Logo and Amazon Prime Logo are registered trademarks of Amazon, Inc. or its affiliates.
Disclaimer:
1. The prices shown may have risen since the time we last updated them.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time.
** "Free Delivery" means that this is possible under the given conditions at the time of data retrieval from the relevant provider, but cannot be guaranteed. It is technically not possible to provide information in real-time. The shipping costs may vary under certain circumstances (different provider, place of delivery, etc.). The shipping costs shown in the further ordering process apply.
Other IMPORTANT INFORMATION that we ask you to take note of:
We may receive a commission if you make a purchase via the links on our site. This has no impact on the placement of the products on our site. Our website is part of amazon associates program - Amazon, Amazon Prime, the Amazon Logo and Amazon Prime Logo are registered trademarks of Amazon, Inc. or its affiliates.
Disclaimer:
1. The prices shown may have risen since the time we last updated them.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time.
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