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Model
NETTA 20L Dehumidifier review

NETTA

NETTA 20L Dehumidifier
Meaco MeacoDry Arete One 10L room dehumidifier

Meaco

Meaco MeacoDry Arete One 10L
Review of the Bosch Dry 4000 Dehumidifier

Bosch

Bosch Dry 4000 Dehumidifier
Our score4.4 / 54.4 / 54.7 / 5
Typecompressorcompressorcompressor
Capacity20 litres/day10 litres/day (rated at 30°C, 80% humidity)16 litres/day
Tank size4.5 litres, auto shut-off when full2.5 litres2.5 litres
Noise level—From 35 dB(A)38 dB(A)
Running cost—4p per hour (based on 26.32p/kWh)—
Suitable for—Flats, studios, single rooms and small housesRooms up to 33m²
Drainage———
Weight—10.7 kg11.1 kg
Dimensions (H x W x D)49.5 x 30.5 x 23.5 cm47.2 x 31.9 x 23.7 cm47.6 x 31.3 x 23 cm
Warranty—5 years2 years
Strengths
  • A 20 litre a day extraction rate at 345 W is an efficient pairing for a medium to large room
  • Touch controls on top and a clear humidity read-out are simple to use
  • Sleep mode lowers the fan noise noticeably for use in a bedroom or at night
  • Very quiet: from 35dB on the lowest setting, so it suits a bedroom
  • 5-year warranty on a compact, affordable model
  • Cheap to run at about 4p an hour
  • Bosch's well-established engineering reputation and UK-wide service network behind a first-generation dehumidifier range
  • Genuinely quiet at 38dB(A), with a dedicated Night mode that dims lights and prioritises low noise
  • Built-in handle and castors make it easy to move between rooms despite the 11.1kg weight
Weaknesses
  • The 4.5 litre tank is fiddly to remove and refit; line it up with the grooves and tilt it
  • NETTA's reliability record is mixed, so keep your proof of purchase and register the guarantee
  • Extraction at 27°C / 60% RH (manufacturer figure) is about 6 litres a day, so it is for small spaces only
  • The 2.5L tank fills quickly in a damp room and has no carry handle
  • The 2.5-litre tank is on the small side relative to a 16L/day extraction rate, so it needs regular emptying without the drainage hose connected
  • Pricier than the Russell Hobbs and other budget models of similar capacity
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