10 Best Dehumidifier Continuous Drainage in The UK

Last updated on 12/08/2025

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PureMate 20L/Day Portable & Compact Dehumidifier with 6.5 Litre Tank Capacity, Digital Display, Continuous Drainage, Laundry Drying and 24Hr Timer Function

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Why We Love It

Improves sleep with 'Sleep Mode'.
Convenient, easy-to-use large tank.
Smart humidity sensing technology.

Main Highlights

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."
NEW & IMPROVED: Now with the added feature of ‘Sleep Mode’ you can turn the all the display lights off for undisturbed sleep! 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, 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.

Avalla X-500 Smart 3in1 Dehumidifier 16L/Day, Auto Humidity Sensor, Laundry Drying & Sleep Mode - Digital Display, Touch Control Panel, 24 hr Timer – Ultra Low Running Cost – Whole House 64m³ Coverage

26% Off

Why We Love It

Lifetime customer support included.
Efficient and cost-effective drying.
Improves indoor air quality.

Main Highlights

SMART AUTO HUMIDITY CONTROL – Built-in humidity sensor keeps your space dry by auto-activating when rising humidity levels are detected. The 4.5L tank, 24hr timer & Continuous drainage gives you full control, exactly when you need it. 180m³/h airflow makes the X-500 suitable for whole house with coverage of 64m³.
FAST & SAFE LAUNDRY DRYING – Dedicated laundry mode speeds up natural drying without excess heat or humidity caused by tumble drying. Ideal for all fabrics and clothing with a powerful 16L daily extraction rate.
ELIMINATE DAMP & MOULD – Combat condensation, mould, and allergens with consistent dehumidification. Improve air quality and protect your home and health from moisture damage.
ULTRA QUIET & HIGH EFFICIENCY - Whisper-quiet at just 32dB with Aero-Dynamic tech, the X-500 runs at only 0.24kW/h - perfect for undisturbed sleep or quiet living environments.
LOW RUNNING COST & ECO-FRIENDLY – Save on average up to 93% vs tumble drying with just 6p per hour running cost. The X-500 uses CFC-free R290 refrigerant for enhanced performance and a smaller environmental footprint to protect the Ozone layer

Pro Breeze® 20L/Day Dehumidifier with Digital Humidity Display, Sleep Mode, Continuous Drainage, Laundry Drying and 24 Hour Timer - Ideal for Damp and Condensation

13% Off

Why We Love It

Energy efficient operation.
Whisper-quiet technology.
Smart humidity control.

Main Highlights

LOW ENERGY CONSUMPTION: This Energy Efficient 20L/Day Dehumidifier by Pro Breeze uses an ultra-efficient compressor, a 24-Hour on/off timer and an energy saving auto shut-off system - helping you to reduce power consumption and energy bills.
QUIET DEHUMIDIFICATION: This dehumidifier for home and office uses the latest quiet compressor technology to combat damp without disturbing you in the kitchen, bedroom, bathroom, conservatory or garage.
20 LITRES PER DAY: The ideal dehumidifier for use in medium to large rooms around the house. Removes moisture for the prevention of mould on walls and musty smells. Extracts up to 20L of water per day with an extra-large 5.5L water tank which automatically shuts off when full, and a drainage hose for continuous operation.
AUTOMATIC HUMIDITY SENSOR AND DIGITAL DISPLAY: The Pro Breeze 20L Electric Dehumidifier has one-touch controls and an LED digital display for setting fan speed and desired humidity between 30-80%. The smart automatic humidity sensor with indicator lights allows you to track room humidity and will switch the dehumidifier off once target humidity is reached.
24H TIMER AND LAUNDRY MODE: The built-in timer allows you to schedule the dehumidifier to turn on or off over a 24 hour window. This model has 4 modes including a clothes drying mode, plus a child lock, auto defrost and sleep display.

Pro Breeze® OmniDry 12L/Day Dehumidifier with Automatic Humidity Sensor & Display, 24Hr Timer, Laundry Drying, Continuous Drainage (White, 12 Litre)

16% Off

Why We Love It

Energy-efficient operation.
Whisper-quiet functionality.
Intelligent humidity control.

Main Highlights

LOW ENERGY CONSUMPTION: This powerful Pro Breeze dehumidifier efficiently removes up to 12 litres of water per day with an ultra-efficient compressor, a 24-Hour on/off timer and an energy saving auto shut-off system. It is ideal for damp, mould, condensation and moisture in homes, garages and bathrooms. Running cost as low as 7p per hour (October 2022).
QUIET DEHUMIDIFICATION: This dehumidifier for home and office uses the latest quiet compressor technology to combat damp without disturbing you in the kitchen, bedroom, bathroom, conservatory or garage.
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 2L 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.

Quiet and efficient performance.
Convenient electronic control panel.
Energy-saving operation.

Main Highlights

Very quiet noise level from 39 dB(A). Compact portable dehumidifier with 12 Litres/day extraction rate
2 litres water tank capacity with continuous drainage option, concealed easy glide castor wheels and washable air filter.
Electronic Control Panel with Active Humidistat, 1 to 24 Hours Off Timer, Auto Shut Off and Auto Defrost.
Rapid control of humidity & indoor laundry drying. Controls mould, condensation and bacteria growth.
Equipped with Sleep and Child Lock Mode.
Low Power Consumption at 210 Watts/H
Operating Temperature range 15°C - 35°C
Item weight 9.5 Kg, Dimension 280mm W x 200mm D x 490mm H

20L/Day Home Dehumidifier, Digital Humidity Sensor, XL 6.5L Water Tank, Removes Condensation, Humidity, Damp, Moisture, Laundry Drying, Continues Drainage, Auto-Off, 24 Hours Timer for Homes, Offices

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Why We Love It

High moisture extraction rate.
Automatic safety shutdown.
Intuitive touch controls.

Main Highlights

EXTRACT UP TO 20L OF MOISTURE DAILY: With a powerful dehumidification capacity of 20L per day, this portable unit ensures improved air quality and a healthy environment in areas spanning 20-30M (250sqft – 360 sqft). It effectively removes excess moisture, making spaces comfortable and free from dampness.
AUTOMATIC SAFETY FEATURES: When its 6.5L tank is full, the dehumidifier automatically shuts off for safety. This feature ensures hassle-free operation without the risk of overflow. Moreover, the machine boasts an automatic defrosting function, enhancing its efficiency and lifespan.
INTUITIVE TOUCH CONTROL & TIMER: The touch control panel provides ease of use, while the 3-color environmental humidity lamp offers a visual indication of the current humidity levels. You can also set a timer for up to 24 hours, giving you full control over its operation.
CONTINUOUS DRAINAGE & WASHABLE FILTER: Although equipped with a spacious tank, you can also opt for continuous drainage for extended operation. The washable air filter ensures that you're always surrounded by pure, allergen-free air.
BUILT-IN CONVENIENCE: Designed with practicality in mind, it features castors for easy movement and a built-in handle for effortless portability. The dehumidifier operates quietly, producing noise levels of less than 48dB(A).
PRODUCT SPECIFICATIONS: Tank Capacity: 6.5L - Voltage/Frequency: 220-240V/50Hz - Dehumidifying Capacity: 20L/day (at 30°C/RH80%) - Noise Level: <48dB(A) - Rated Power: 320W - Working Temperature Range: 5-32°C - Air Volume: 195M/h - Product Dimensions: 340×240×570mm - Package Dimensions: 385×227.5×650mm - Net Weight: 14.5kg - Gross Weight: 15.5kg

Pro Breeze® 10L Desiccant Dehumidifier with Timer, Air Filter, Continuous Drainage, Digital Control Panel - Ideal for Cold Temperatures in Damp Homes, Basements & Garages

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Why We Love It

Efficient in cold climates.
Ideal for large spaces.
Convenient digital humidity control.

Main Highlights

10 Litres Per Day: Extracts up to 10 litres of moisture per day in temperatures as low as 1°C. It is ideal for damp, mould and moisture in large homes, rooms, bathrooms, garages and basements.
Cold Temperatures: While regular compressor dehumidifiers work well between 20-30°C, they stop collecting moisture below 15°C, meaning they are unsuitable for colder environments. The Pro Breeze Desiccant Dehumidifier is designed to collect water in temperatures as low as 1°C and perfect for colder rooms or during the winter.
Large Collection Tank: Large 3L water tank automatically shuts off when maximum capacity is reached, and a continuous drainage hose is included for long-term use.
Set Desired Humidity: The built-in humidity sensor allows you to set your desired room humidity. Once this level is reached the unit will turn off to preserve energy. The swinging air outlet ensures you can direct air flow in any direction you desire.
Digital Control Panel: LED lights display current room humidity level and the easy-to-use control panel ensures simple control of dehumidifier power and auto-off timer.

LEENON Dehumidifiers for Home 12L/Day Compressor Dehumidifier for Bedroom with Ultra-Quiet Sleep Mode Drying Clothes, Auto Off, 24H Timer, Continuous Drainage, Humidity Sensor, for Basement Home Damp

20% OffFree Shipping

Why We Love It

Powerful moisture removal capability.
Multiple modes for flexibility.
Quiet operation for comfort.

Main Highlights

Large Dehumidifier for Home: LEENON powerful dehumidifier can remove up to 12L of moisture per day (at 30°C, 80% RH) through its ultra-efficient compressor, with a maximum dehumidification area of up to 50 square meters. The humidity control range is 30%~80% in 5% steps. Our dehumidifiers for home is ideal for effectively combating dampness, mold, and condensation in homes, bathrooms, basements, laundry rooms, wardrobes, bedrooms, and warehouses.
3 Modes & Drying Clothes: LEENON home dehumidifier features a dehumidification mode (DEHU) for precise humidity control; continuous drying mode (CONT) for continuous dehumidification in high-humidity environments; and a sleep mode, indicator lights turn off and it runs silently, Furthermore, LEENON lager dehumidifier has a dedicated laundry drying function to help quickly dry clothes. By manually setting clothes drying mode: (1) Select MODE: CONT, (2) Select SPEED: High.
2 Drainage Modes: Auto Drainage: LEENON bathroom dehumidifier comes with a 2m drain hose, enabling continuous drainage without frequent emptying. Manual Drainage: Equipped with a 1.6L water tank, easy to remove and empty.(with a visible water level). When the tank is full, the "Full" indicator light (next to the power button) turn red and an alarm sounds, the dehumidifier for house will auto shut off until the tank is emptied and correctly repositioned, then it will auto restart.
Convenient & Whisper-Quiet: LEENON 12L dehumidifier features ultra quiet operation, below 36dB in sleep mode without disturbance during sleep, work, reading. The bedroom dehumidifier is equipped with a 24-hour timer, Equipped with a 24-hour timer for scheduled off at any time. 4pcs 360°rotatable wheels and a hidden handle allows easy movement. A child lock function prevents accidental touches for added safety. Detachable filter for easy removal and cleaning.
Smart Dehumidification & Auto-Restart: LEENON dehumidifier adopts R290 compressor technology, equipped with an intelligent humidity control system to achieve low-energy operation.In DEHU/Sleep modes it auto shuts off when reachs setting humidity, then restart when humidity rises, . Automatic defrost function ensure that the dehumidifier can also operate normally in winter. The touch panel allows 30%-80% humidity adjustment, with real-time digital humidity display for easy monitoring.
Trustworthy Service: The LEENON dehumidifier is crafted with premium materials, advanced compression technology, achieving optimal moisture removal with minimal energy consumption. LEENON provides a 1-year Warranty and lifetime technical support. Feel free to contact us at any time. Our after-sales service specialists will reply to you within 12 hours to resolve any issues.

Hangsun 20L/Day Dehumidifiers for Home Dehumidifier for Drying Clothes and Damp with Digital Humidity Display, Continuous Drainage, 24 Hour Timer, Ideal for Laundry Room, Basement, Bedroom, Bathroom

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Why We Love It

Efficient moisture control.
Smart humidity sensing.
Quiet operation modes.

Main Highlights

Suitable for Space Up to 30m²: The Hangsun 20 L dehumidifiers for home damp is able to effectively collect 20 L of moisture per day and adjust humidity from 30% to 80%. Once target humidity is reached, the unit will turn off to conserve energy. Perfect for use in home, bedroom, bathrooms, laundry room, basements, office, attics, garages, crawlspace or any large rooms up to 325 sq. ft
Intelligent Humidity Sensor with Indicator Lights: The automatic humidity sensor allows you to track room humidity, LED control panel will display the current humidity level. And the smart humidity colored indicator lights keeps you aware of the humidity around you. Blue: room humidity less than 45%; Green: room humidity is an optimum 45-65%; Red: room humidity is greater than 65%
Advanced Three Modes and Two Speeds: The low energy dehumidifier features three operating modes including AUTO/CONTINUOUS(LAUNDRY)/SLEEP. Continuously laundry drying mode is ideal for drying clothes. Sleep mode with sound levels of less than 41 dB allows you to work, read or sleep undisturbed. Two fan speeds will meet the various dehumidification needs of anyone by switching freely. The built-in auto defrost function prevents the collected water from being frozen and doing harm to the machine
Two Ways for Your Draining Choices: Equipped with a large detachable 4.5 L water tank. When the water tank is full, this smart electric dehumidifier will automatically shut down, and the full water indicator will light up to prevent water overflow. No time to empty it? A drain hose outlet for continuous draining which comes with a 39.4 inch long drain hose that you don't need to empty the water tank anytime
Designed with Effortless Use in Mind: The timer allows you to schedule the dehumidifier to turn on or off over a 24-hour window. The filter of dehumidifier is removable and easy to clean. It even comes with 360° rotatable wheels and a safe child lock that makes it easy to move the powerful dehumidifier anywhere you want without any safety concerns

Devola 12L/day Low Energy Dehumidifier, Quiet & Energy Efficient (costs less than 5p per hour) Dehumidifiers for Home, Laundry Drying Dehumidifier, Dust Filter, Continuous drainage

14% Off

Why We Love It

Saves energy, reduces bills.
Doubles as clothes dryer.
Whisper-quiet operation.

Main Highlights

【 AWARD WINNING QUALITY】 Proudly approved by the Good Housekeeping Institute 2025, ensuring trusted performance and reliability.
【 COST OF LIVING ENERGY SAVING STAR 】Energy efficient dehumidifier has low power consumption low power consumption and optimised energy usage, costing 5p per hour (based on 24p/kWh) making it cost effective and practical for daily use. It is highly effective for removing excess moisture from the air with a powerful extraction of up to 12L per day in temperatures as low as 5°.
【 LAUNDRY DRYING MODE 】Not just a dehumidifier but also a clothes dryer with a dedicated laundry drying function this dehumidifier can be used in any area above 5°
【 EXTREMELY QUIET OPERATION 】This powerful dehumidifier efficiently removes moisture to protect walls, curtains, furniture and appliances from mould and damp at just 36dB at full speed. By keeping the air dry, it even supports the longer shelf life of food. Ideal for bedroom, living room, hallway, bathroom, kitchen, conservatory, cellar, garage. Removes condensation, takes the chill out of the air, prevents damp walls, damp smells and mould.
【 EASY TO USE 】The durable air filter helps to reduce dust and can be easily rinsed under the running tap. 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.
【 2L WATER TANK 】Automatically switches off when full, Continuous drainage hose (included) enables uninterrupted use. 4 castors and integrated carry handle make the unit easily moved from room to room. DIMENSIONS: H 47cm x W 25.5cm x D 22cm. Weight: 10.5kg
【TRUSTED BRITISH BRAND】- We at Devola provide 1 year of free warranty which can be extended upto 2 years and a lifetime of product support.

8.8

Excellent

Save 14%

We scanned 720 products

We reviewed these offers relevant to the Dehumidifier Continuous Drainage within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like PureMate, Avalla, Pro Breeze, EcoAir, Nyxi, LEENON, HANGSUN, Devola, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Dehumidifier Continuous Drainage in the market, we considered we took a deep dive into 3601 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is PureMate 20L/Day Portable & Compact Dehumidifier with 6.5 Litre Tank Capacity, Digital Display, Continuous Drainage, Laundry Drying and 24Hr Timer Function. We love many things about this product by PureMate. What sets it apart from the competition is Improves sleep with 'Sleep Mode', Convenient, easy-to-use large tank, Smart humidity sensing technology.
The best value product for most shoppers and where user satisfaction is continuously the highest is Avalla X-500 Smart 3in1 Dehumidifier 16L/Day, Auto Humidity Sensor, Laundry Drying & Sleep Mode - Digital Display, Touch Control Panel, 24 hr Timer – Ultra Low Running Cost – Whole House 64m³ Coverage by Avalla based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Dehumidifier Continuous Drainage and the best cost-to-value ratio is Avalla X-500 Smart 3in1 Dehumidifier 16L/Day, Auto Humidity Sensor, Laundry Drying & Sleep Mode - Digital Display, Touch Control Panel, 24 hr Timer – Ultra Low Running Cost – Whole House 64m³ Coverageat Avalla with a 26% discount.
Our list of the best Dehumidifier Continuous Drainage is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Dehumidifier Continuous Drainage in The UK

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We scanned 720 products

We concluded that: