300 milliliters a day, or sixteen liters

Cecotec BigDry 2000 vs Bosch Dry 4000

Is this a wardrobe-and-caravan problem, or a whole-room damp problem?

These two are not sized for the same job, and the published figures make that plain immediately — a fortyfold gap in rated extraction between them.

Cecotec BigDry 2000

7.1/10

Wins 2 of 8

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Bosch Dry 4000

8.3/10

Wins 5 of 8

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Row by row

Compared on	BigDry 2000	Dry 4000
Rated extraction	300 ml / 24h	16 L / 24h
Room coverage (manufacturer)	up to 20 m (66 ft)²	up to 33 m (108 ft)²
Tank capacity	0.6 L, removable	2.5 L, half-transparent, spill-resistant
Minimum power draw	23 W	Not published
Noise	Not published ("very quiet", no dB figure)	38 dB
Control	Automatic shutoff when tank is full — no mode selection	3 modes: Auto, Night, Laundry
Continuous drain option	Not published	Not published
Price	≈ 37 €	≈ 224 €
Listed on amazon.com	Yes	Yes

A tick marks the better answer on that line only. Counting ticks does not decide the page — the two verdicts below do, because these products answer different questions.

Who should take which

Buy the BigDry 2000

Take the Cecotec for a wardrobe, a caravan, a car, or another small enclosed space with light, occasional condensation. At 300 ml/24h it will not keep up with a persistently damp room, and it doesn't pretend to.

Buy the Dry 4000

Take the Bosch for an actual damp room — a cellar, a bathroom, a room with condensation on the windows most mornings. 16 L/24h and coverage up to 33 m (108 ft)² put it in a different class entirely, at a price to match.

The questions that keep coming up

Does the Cecotec use a compressor?

Not stated on any of the four listings we checked. Its 23 W minimum draw is well below what a compressor unit typically needs, which points toward a thermoelectric (Peltier) design, but Cecotec never names the technology, so we're not stating it as confirmed.

Is 16 L/24h directly comparable between dehumidifiers?

Only loosely. Manufacturers measure extraction at a reference temperature and humidity they rarely publish — commonly a warm, already-damp test room. A dehumidifier rated at 16 L/24h in that reference condition will extract noticeably less in a cool 18 °C (64 °F) bedroom.

Each one in full

Dehumidifiers

Cecotec BigDry 2000

300 ml/24h · 0.6 L tank · up to 20 m (66 ft)²

A compact, low-power dehumidifier rated by Cecotec at 300 ml of water removed per 24 hours, for rooms up to 20 m (66 ft)². A removable 0.6 L tank, automatic shutoff when full, a carry handle and a minimum stated consumption of 23 W make it a light standby unit rather than a room-by-room appliance.

Best for: A single small room, a wardrobe, a caravan or a car — somewhere a cheap standby unit against light condensation is enough, not a damp cellar or a family bathroom.

7.1/10

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Dehumidifiers

Bosch Dry 4000

16 L/24h · 2.5 L tank · 3 automated modes

A compressor dehumidifier from Bosch rated at 16 liters removed per 24 hours for rooms up to 33 m (108 ft)², with a half-transparent 2.5 L tank, three automated modes (Auto, Night, Laundry) called 'Easy Dry Select,' a stated 38 dB noise level, an integrated handle and castors. Bosch does not publish WiFi or app control for this model.

Best for: Buyers who want a known appliance brand and simple mode-based control rather than a numeric humidity dial, and who don't need app control or continuous drainage.

8.3/10

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Prices quoted in these summaries are dated readings. The live price is shown next to each product.