Best 20 litre dehumidifiers for family homes

In its favour

• The maker states 38 dB and calls it its quietest and most energy-saving model yet.
• Laundry mode runs for six hours and then switches off, according to the listing.
• Intelligent humidity mode stops at your target level and restarts when humidity rises.

Good to know

• The listing does not give a clear tank capacity, so emptying frequency is unclear.
• At 15 kg it is heavy to lift up and down stairs.

In its favour

• The listing quotes a floor area of up to 90 m², the widest reach among these picks.
• A 5 litre tank means fewer trips to the sink than the 3 litre tanks here.
• Alexa voice control and a RealFeel comfort mode come as standard, per the listing.

Good to know

• No noise level is stated, so check it suits a bedroom or lounge before you buy.
• 490 W is a higher power rating than the Meaco for similar extraction.

In its favour

• Quoted for areas up to 52 m², the largest recommended area among these 20 litre models.
• The Ariston Clima app sets humidity and schedules running times from your phone.
• Super Laundry mode sets the fan speed from the humidity and temperature it senses.

Good to know

• Noise, wattage and tank size are not stated in the listing.
• The title says 21 L/day but the bullets say 20 litres a day, so expect the lower figure.

In its favour

• The comfort light turns green at the set humidity, red when too dry and blue when too humid.
• A washable pre-filter plus a separate active carbon filter for odours are included.
• The 3 litre tank is clear, so the water level is visible, and it shuts off when full.

Good to know

• The listing does not state noise or a reliable power figure.
• No continuous drainage option is mentioned in the listing.

In its favour

• A 5 litre tank is one of the largest here, so it suits a damp house that fills tanks quickly.
• Three fan speeds and a timer are listed, with a clothes drying function in the title.
• At 430 W it draws less than the Wi-Fi DDSX220WFA version.

Good to know

• The listing gives very little detail, with no room size or noise figure.
• There is no app or Wi-Fi control on this version.

In its favour

• The 6.5 litre tank is the largest in this group, so it needs emptying less often.
• Whirlpool states it can cut laundry drying time by 50 percent.
• Touch screen controls for picking programmes, according to the listing.

Good to know

• The quoted room size of 30 m² is the smallest here despite the 20 litre rating.
• Noise level and a believable power figure are not given in the listing.