The Bosch Dry 4000 is a well-built domestic dehumidifier aimed at controlling damp and condensation in everyday living spaces. It is particularly suitable for households looking for a trusted brand and straightforward operation.
By maintaining healthier indoor humidity levels, it helps reduce the conditions that allow black mould to form behind furniture, around windows, and on external walls.
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| Best for | Condensation, light to moderate mould risk, laundry drying |
| Moisture removal | 16 litres per day |
| Room size | Up to 33 m2 |
| Tank capacity | 2.5 litres |
| Noise | Approx 38 dB(A) |
| Energy use | Not specified |
| Laundry mode | Yes |
| Drainage option | Yes |
| Operating temperature | 5 °C to 35 °C |
| Auto humidity control | Yes |
| Filter type | Dust filter |
| Smart features | None |
| Price | Mid-range |
It is suitable for mild to moderate mould risk in typical rooms.
Yes, it includes a laundry mode for indoor drying.
No, but a continuous drain option is available.
We compare dehumidifiers using consistent criteria: room coverage, filtration type, noise for bedrooms, and ongoing filter cost.
We aim to recommend options for different needs and budgets.