Pro Breeze 12L Dehumidifier
The long-running budget 12L compressor dehumidifier - a plug-in damp and condensation fix for smaller rented homes at a bestseller price.
Strengths
- Aggressive pricing for a genuine compressor unit - the budget default in the 12L class
- Effective moisture removal for typical damp and condensation problems in smaller homes
- Built-in humidistat, 24-hour timer and sleep mode cover the essentials
Watch outs
- 1.8 L tank fills quickly in a properly damp property unless the drain hose is used
- Some users find it too loud to sleep next to, despite the 38 dB rating
- 12 L/day is a warm-humid lab maximum - real UK-room extraction is much lower
- Type Compressor
- Rated extraction Up to 12 L/day (maximum, warm humid conditions)
- Tank 1.8 L, with continuous-drain hose option (64 cm hose supplied)
- Noise 38 dB (official rating)
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What does a 12L dehumidifier actually remove?
Not 12 litres a day. That number is a rated maximum measured in warm, humid test conditions, and it is quoted the same way across the whole category, which is why nearly every budget unit on the shelf claims a similar figure. A cool British bedroom in February presents nothing like those conditions, and real extraction is a fraction of the headline.
The mechanism explains why. A compressor dehumidifier chills a coil below the dew point so moisture in the passing air condenses onto it and drips into the tank. How much water that yields depends on how much the air is holding to begin with, which is a function of temperature and relative humidity. Warm damp air gives up a lot. Cold damp air gives up much less, even though it can feel just as unpleasant.
What this means in practice is that the rated figure is useful for comparing machines and useless for predicting your tank. Judge the unit on whether it holds the room at a sensible humidity, not on how fast it fills.
Does it work in a cold flat?
Pro Breeze gives an operating range of 5 C to 32 C, and the unit will run at the bottom of that range. Effectiveness is a different question. Compressor dehumidifiers lose efficiency as the room gets colder, and below roughly 10 C the coil starts to approach freezing, so the machine spends an increasing share of its time defrosting rather than extracting.
For most rented flats this is a non-issue, because the rooms with a condensation problem are heated rooms where warm moist air meets a cold external wall. It matters if the target is an unheated space: a cold box room, a garage, a caravan or a flat left empty over winter. In those conditions a desiccant dehumidifier, which uses an absorbent wheel rather than a chilled coil, keeps working when a compressor unit has effectively stopped.
Match the machine to the room. For a heated bedroom or living room with streaming windows, a compressor unit is both cheaper to run and the right tool.
Do you need the continuous drain hose?
In a genuinely damp property, yes. The tank holds 1.8 litres, which is small for the class, and a unit working hard will fill it and stop. Pro Breeze supplies a 64 cm continuous-drain hose in the box, and connecting it converts the dehumidifier from something you empty twice a day into something you leave running.
The catch is that the hose drains by gravity, so it needs somewhere lower than the outlet to run to. In a flat that usually means standing the unit on a small platform beside a shower tray, a bath or a floor drain, or siting it in a bathroom or a utility cupboard. If the only practical position is a bedroom floor with no drain within reach, the tank is what you have, and emptying it becomes part of the routine.
Whichever route you take, keep the outlet clear of walls and furniture. A dehumidifier starved of airflow works harder for less water.
Is it quiet enough to sleep near?
Pro Breeze gives an official rating of 38 dB. Owner reviews are notably split on this: a substantial minority report the unit as too loud to sleep beside, which is a common pattern in the budget compressor class, where the rated figure describes the quietest steady state rather than the compressor cycling on and off through the night.
The compressor cycle is usually the real complaint rather than the fan. A humidistat-controlled unit starts and stops as the room drifts around the target, and it is the transition that wakes people rather than the running noise. Two things help: set the humidistat to a realistic target of around 55 to 60 per cent rather than the lowest available, so the machine cycles less, and run it during the day or the evening rather than overnight where the room allows.
If a genuinely quiet bedroom unit is the requirement rather than a nice-to-have, the MeacoDry Arete One is the quieter machine in the same 12L class, at a correspondingly higher price.
Why does it suit a rented flat?
It installs in the sense that you plug it in. There is no fixing, no plumbing beyond an optional gravity hose, and nothing to make good when the tenancy ends. Swivel wheels and a carry handle mean it moves between rooms without a struggle despite weighing 9.55 kg, and it goes in the van at the end of the tenancy along with everything else you own.
Its natural place is as the budget default. It covers the essentials of the category, a humidistat, a 24-hour timer, a sleep mode, continuous drainage and a washable dust filter, without the HEPA stage, app control or acoustic engineering of the pricier units. For a tenant whose problem is condensation on the bedroom windows and mould appearing in a corner, that specification is usually sufficient, and it is far more useful than the same money spent on passive moisture traps.
The machine treats the symptom, though, not the cause. Ventilation habits, heating patterns and keeping furniture off cold external walls do most of the work, and our guide to stopping damp and condensation in a rented flat covers the part no appliance can do for you.
Will the Pro Breeze really extract 12 litres a day?
Do I need to use the drain hose?
Can I use it in an unheated room?
Is a dehumidifier allowed in a rented flat?
Pro Breeze or Meaco Arete One?
- Type
- Compressor
- Rated extraction
- Up to 12 L/day (maximum, warm humid conditions)
- Tank
- 1.8 L, with continuous-drain hose option (64 cm hose supplied)
- Noise
- 38 dB (official rating)
- Power
- 0.2 kWh, 220-240 V
- Dimensions
- 296 x 217 x 437 mm (L x W x H)
- Weight
- 9.55 kg
- Room coverage
- Up to about 20 m2
- Operating range
- 5 C to 32 C
- Controls
- Built-in humidistat, LED display, 24-hour timer, sleep mode
- Portability
- Swivel wheels and carry handle
- Filter
- Removable washable dust filter