Best Dehumidifier for Mould and Damp (2026)
The most effective dehumidifiers for tackling mould, black spot and damp walls in UK homes.
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£144 – £315.83
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Bosch Dry 4000 Dehumidifier
A quiet, well-engineered mid-size dehumidifier from a brand with a strong reputation for reliability — the natural choice if you want dependable performance for a bedroom or mid-size room and are prepared to pay a bit more for it.
Devola DVHA20L 20L/Day Hybrid Dehumidifier & Air Purifier
The best choice if you want a single machine that tackles damp and cleans the air at the same time — genuinely useful in a home with allergies, pets, or a room that also collects cooking odours, not just a marketing bundle of two gadgets in one box.
Ebac 2650E 18 Litre Dehumidifier with Air Purification and Laundry Mode
The dehumidifier to buy if you specifically want a British-made unit built to last well over a decade, and don't mind paying a premium and giving up app control to get it.
EcoAir DD1 Simple MK3 Desiccant Dehumidifier
The dehumidifier to buy specifically for a cold garage, shed, caravan or unheated outbuilding where compressor models lose their edge — not our first pick for a warm living room, where a compressor unit is more efficient.
EcoAir DD3 Classic MK3 Desiccant Dehumidifier
A quiet desiccant dehumidifier with a digital humidistat that keeps working in cold rooms, best for a garage, conservatory, cold bedroom or a winter damp problem where a compressor unit gives up.
Meaco MeacoDry Arete One 25L
The Arete One for large, damp homes: quiet, long-guaranteed and genuinely powerful in real UK conditions, as long as you do not need Wi-Fi control.
Meaco MeacoDry Arete Two 10L
The smart, quiet choice for a flat or small home: it keeps the Arete's 5-year warranty and adds app control, three fan speeds and lower running costs.
Pro Breeze 20L OmniDry WiFi Dehumidifier
The best value 20L dehumidifier for drying laundry and general damp control — a genuine Which? Best Buy winner that undercuts the Meaco Arete Two on price without giving up much capability.
Pro Breeze 20L/Day Compressor Dehumidifier (PB-D-23)
A well-equipped 20 litre compressor dehumidifier with a big tank, a carbon filter and a Which? Best Buy listing, best for a living room, utility room or damp family home where capacity and value matter more than silence.
Meaco DD8L Pro Desiccant Dehumidifier
The best Meaco for cold rooms, garages and heavy laundry use: desiccant technology, an automatic louvre and app control, at the cost of higher electricity use than a compressor.
Meaco MeacoDry Arete Two 20L
The best all-round dehumidifier for a UK home battling condensation, damp or slow-drying laundry. If budget allows, this is the one we'd buy first.
Russell Hobbs RHDH2002 20 Litre Dehumidifier
The best value 20-litre dehumidifier in this comparison — strong extraction power for a noticeably lower price, at the cost of running louder than the premium alternatives, so it's better suited to a living room, kitchen or utility room than a bedroom.
Bosch Dry 2000 Dehumidifier
A quiet, no-fuss 12L compressor dehumidifier for a bedroom, box room or flat — the sensible Bosch pick if your problem is condensation and damp laundry rather than a large or very wet space.
NETTA 20L Dehumidifier
A compact, efficient 20 litre dehumidifier with simple touch controls and a sleep mode at a mid-range price, best for laundry, a damp living room or a hallway where you want capacity without paying premium-brand prices.
Meaco MeacoDry Arete One 10L
A quiet, compact, long-guaranteed dehumidifier for a flat, a bedroom or a small house, as long as you do not expect it to handle a whole damp family home.
Bosch Dry 1000 Dehumidifier
The quietest and smallest of the Bosch Dry range, and a good fit for a small bedroom, bathroom or studio where noise matters more than raw capacity.
Dimplex EverDri 20L Dehumidifier
A conventional 20L-class dehumidifier with a clear humidistat and comfort light, from a brand most UK buyers recognise — fine for a large room, but check the real-world capacity and the small tank before you buy.
Best Dehumidifier for Mould and Damp: the short list
- Top rated: Bosch Dry 4000 Dehumidifier (4.7/5).
- Most extraction: Meaco MeacoDry Arete One 25L (25 litres/day (rated at 30°C, 80% humidity)).
- For cold rooms below about 10°C: EcoAir DD1 Simple MK3 Desiccant Dehumidifier, a desiccant model.
- Size the unit to the room, and check the tank size against how often you are willing to empty it.
| Model | Type | Capacity | Tank | Noise | Rating |
|---|---|---|---|---|---|
| Bosch Dry 4000 Dehumidifier | Compressor | 16 litres/day | 2.5 litres | 38 dB(A) | 4.7/5 |
| Devola DVHA20L 20L/Day Hybrid Dehumidifier & Air Purifier | Compressor | 20 litres/day | 2.89 litres | — | 4.7/5 |
| Ebac 2650E 18 Litre Dehumidifier with Air Purification and Laundry Mode | Compressor | 18 litres/day | — | — | 4.6/5 |
| EcoAir DD1 Simple MK3 Desiccant Dehumidifier | Desiccant | 7.5 litres/day (rated at low temperature) | 2 litres | 34 dB(A) | 4.6/5 |
| EcoAir DD3 Classic MK3 Desiccant Dehumidifier | Desiccant | Around 10.5 litres/day (marketed as 11L) | 4.2 litres, with cover | 36 dBA | 4.6/5 |
| Meaco MeacoDry Arete One 25L | Compressor | 25 litres/day (rated at 30°C, 80% humidity) | 4.8 litres | From 40 dB(A) | 4.6/5 |
| Meaco MeacoDry Arete Two 10L | Compressor | 10 litres/day (rated at 30°C, 80% humidity) | 2.5 litres | From 35 dB(A) | 4.6/5 |
| Pro Breeze 20L OmniDry WiFi Dehumidifier | Compressor | 20 litres/day | 4 litres | Under 38 dB(A) | 4.5/5 |
| Pro Breeze 20L/Day Compressor Dehumidifier (PB-D-23) | Compressor | 20 litres/day | 5.5 litres, auto shut-off when full | — | 4.5/5 |
| Meaco DD8L Pro Desiccant Dehumidifier | Desiccant | Up to 8 litres/day at 20°C and 60% humidity (fan speed 3) | 2 litres | From 40 dB(A) | 4.5/5 |
| Meaco MeacoDry Arete Two 20L | Compressor | 20 litres/day | 4.8 litres | 38 / 40 / 50 dB(A) across 3… | 4.4/5 |
| Russell Hobbs RHDH2002 20 Litre Dehumidifier | Compressor | 20 litres/day | 3 litres | Approx. 47.5 dB(A) | 4.4/5 |
| Bosch Dry 2000 Dehumidifier | Compressor | 12 litres/day | 2.5 litres | 35 dB(A) | 4.4/5 |
| NETTA 20L Dehumidifier | Compressor | 20 litres/day | 4.5 litres, auto shut-off when full | — | 4.4/5 |
| Meaco MeacoDry Arete One 10L | Compressor | 10 litres/day (rated at 30°C, 80% humidity) | 2.5 litres | From 35 dB(A) | 4.4/5 |
| Bosch Dry 1000 Dehumidifier | Compressor | 10 litres/day | 2.5 litres | 34 dB(A) | 4.3/5 |
| Dimplex EverDri 20L Dehumidifier | Compressor | 20 litres/day (at 30°C and 80% RH) | 3 litres | 42-46 dB (varies by listing) | 4.0/5 |
Sources and further reading
Related searches
Best dehumidifier for mould and damp walls
For an actively damp room, a 20L compressor unit with a high extraction rate — like the Meaco Arete Two 20L — clears excess moisture fastest. Target 50% humidity; UK health guidance treats that as the ceiling above which mould growth accelerates. A dehumidifier prevents mould from coming back, but won't remove mould that's already established — that needs a mould treatment spray and, ideally, addressing the ventilation or insulation issue causing the damp in the first place.
Dehumidifier for condensation on windows
Condensation on windows is one of the clearest signs indoor humidity is too high. Running a dehumidifier overnight in the room, targeting 50-55%, is usually enough to stop it within a few nights — the Meaco Arete One 12L is specifically sized for a single bedroom with this problem.
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31 dehumidifiers compared · Amazon.co.uk prices checked November 2026