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20L Dehumidifiers

A 20L dehumidifier is the best choice for 3 to 4-bedroom homes. It’s also perfect if you dry lots of clothes indoors or have stubborn damp spots. These models are built to handle moisture in larger spaces, without running up your electricity bill. A 20 litre dehumidifier offers the best balance of power and practicality.



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SMART LOW ENERGY LAUNDRY MODE
  • Ideal for houses with up to 4 beds
  • Low Energy - Costs just 6.4p/hour to run
  • 2 in 1 Dehumidifier & Air Purifier: free H13 HEPA filter included
  • Smart/WiFi connected - Schedule from your phone or assistant
  • Comes with a 5-year warranty for peace of mind
SAVE 8%
SAVE £25
£274.97
FREE Delivery to most of the UK
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LOW ENERGY LAUNDRY MODE
  • Ideal for up to 5-bed houses
  • Low Energy - Costs just 6.9p/hour to run
  • 2 in 1 Dehumidifier & Air Purifier: free H13 HEPA filter included
  • Faster, cheaper way to dry your laundry
  • Comes with a 5-year warranty for peace of mind
SAVE 10%
SAVE £25
£234.98
FREE Delivery to most of the UK
Refurbished from £199.98£ » View product
LOW ENERGY LAUNDRY MODE
  • Ideal for up to 5-bed houses or medium-sized offices
  • Low energy at 250W,40% more efficient than standard. Quiet at 41dB
  • Laundry mode for drying clothes & advanced HEPA air purifier
  • 24-hour timer. Continuous drain option to set & forget
  • Portable with castors and sturdy handle
£199.98
Refurbished from £99.98£ » View product
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SMART LOW ENERGY LAUNDRY MODE
  • Ideal for up to 5-bed houses, large rooms or medium-sized offices
  • Up to 50% lower energy than standard dehumidifiers
  • Control & monitor via your smartphone or assistant
  • Premium Air Purification - optional HEPA & Carbon Filter, UV Sterilisation & Plasma Ioniser
  • Award-winning model with 5L tank
£199.00
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Why a 20L dehumidifier could be the right fit

If you have a larger home, a busy household or serious indoor drying and damp problems, a 20L dehumidifier is the smart answer. This size is ideal for 3-4 bedroom houses, open living spaces or rooms prone to condensation and mould. It can extract up to 20?litres of moisture a day under ideal conditions. So, it’s a fair bit more powerful than smaller machines yet still efficient enough for everyday use.


Cost-friendly and energy wise

Running costs matter, especially when energy bills are going through the roof. A 20 litre dehumidifier with low-wattage (around 180-200?W) can set you back just a few pence per hour to run. That might be significantly cheaper than a tumble dryer and reduces the risk of turning your drying day into a big energy drain. Choose a model with smart modes or an auto-humidistat so it only whirrs when needed, keeping energy use down.


Top-notch performance for real homes

The Meaco dehumidifier 20L models are a good example of this capacity in action. They typically come with generously-sized water tanks (around 4.5-5.5?L) or a hose/continuous drainage option. This means you don’t need to empty them every hour. Also, check the airflow (m³/h), so you know the unit can reach every corner. If you often dry clothes indoors, a dedicated laundry mode or turbo setting speeds up drying while keeping moisture at bay.


Match it to your lifestyle

We often deal with wet winter air, indoor clothes drying and older insulation. That’s why features like quiet operation (aim for under about 40?dB) matter. An electriQ 20 litre dehumidifier will often include wheels, carry handles and compact height so it can tuck neatly next to your airer or in the utility under-stairs. Look for digital controls as well and a humidistat that lets you set a safe range for your home (40-60% RH is ideal for comfort and mould prevention).


Choosing the best 20L dehumidifier for you

Compare different models by checking their specs and making sure they fit your needs. Consider how large your rooms are, how many loads of laundry you do and whether you have cold or unheated spaces.

Then check extraction rate, tank size or hose option, running cost, noise level and ease of movement. If you pick the right one, you’ll get a unit that makes your home drier, healthier and more comfortable, without a hefty electricity bill.

Aside from the extraction capacity, read our dehumidifier buying guide if you’re torn between features. It’ll walk you through the must-knows so you avoid buying one that’s underpowered or overkill.

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