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Last updated: 11 May 2018

In hot humid summers and cold wet winters, a dehumidifier can help fix a damp home. We lab test and review dehumidifiers to help you find the best one for your home. Our buying guide will help you decide which type you need, and how we test explains our testing rigour and scoring method.

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We review both main types of dehumidifier; refrigeration and dessicant. Our review will help you decide:

  • what to buy
  • which dehumidifiers are best at removing water
  • which are the most energy efficient
  • which are the easiest to use.

Most can perform well enough in hot humid conditions, but our rigorous testing sorts out which ones operate best in challenging cold conditions. We measure their real water removal rate and how much they'll cost you to run.

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Brand

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List of brands we tested in this review.

Price

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Recommended or typical retail price.

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Type

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Desiccant models use a disc or belt of moisture-absorbing material to dry the air. Refrigeration models use refrigeration coils, similar to a fridge or air conditioner, to cool the air and condense the moisture out. See our buying guide for more information.

Claimed water removal rate (L/day)

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The rate claimed at 30-32°C and 80% relative humidity.

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Features

Air filter

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A filter on the air intake to prevent dust etc getting into the machine, and to help clear the air in the room.

Humidistat

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Allows you to set the humidity level for the room.

Timer

Wheels/castors

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Wheels or castors can make it easier to move the dehumidifier from room to room, but many are light enough to just pick up and carry.

Test results

Noise (dB)

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For comparison, a typical conversation is carried out at about 60dB, while city traffic is measured at around 80dB.

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Energy efficiency score

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This is a comparative rating of the model's energy consumption and how much water it extracts. An efficient model will use less energy but extract more water when compared to other models.

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Ease of use score

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Our lab testers assess each model for ease of accessing and emptying the water tank, quality of instructions and labels, using the controls, mobility of the unit and ease of cleaning it.

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Costs

Power cost to remove 10L of water

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Based on the running cost and water extraction rate in our performance testing, and on electricity cost of 25c/kWh. 

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  • Overall score
  • Recommended
  • Running cost per hour in cents
  • Power cost to remove 10L of water
  • Water removal score
  • Energy efficiency score
  • Ease of use score
  • Room heating (W)
  • Power consumption (W)
  • Noise (dB)
  • Measured tank capacity (to switch-off, L)
  • Good points
  • Bad points
  • Price
  • Brand
  • Model
  • Status
  • Type
  • Timer
  • Air filter
  • Humidistat
  • Wheels/castors
  • Cord storage
  • Carry handle(s)
  • Weight (kg)
  • Claimed water removal rate (L/day)
  • Claimed operating temperature range (°C)
  • Number of fan speeds
  • Country of origin
  • Contact
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