A dehumidifier is a game-changer when it comes to speeding up the process of drying clothes indoors. They’re especially useful your home is prone to damp, and you ideally want to avoid adding even more wetness into the situation. They’re also great if you don’t have space for a tumble dryer – or the funds to run one regularly throughout the winter months.
As someone for which all of the above applies, I speak from experience. Before I introduced my beloved dehumidifier into my home, drying clothes during the chilly, wet UK winter (and let’s face it, autumn and spring) months was a long, damp process. Now I wouldn’t be without one.
Desiccant vs compressor dehumidifiers
There are two main types to be aware of: a desiccant dehumidifier and compressor dehumidifier.
A compressor dehumidifier is the more common option, and works by using a fan to draw damp air over a cold set of coils, where the water vapor condenses, and drips down into the collection tank. The air is then passed over warm coils to get it back to around room temperature before it’s released back into the room.
In contrast, desiccant dehumidifiers work by using moisture-absorbing materials to collect water from the air. In this setup, heat is used to dry out the desiccant material, so the dehumidifier will release the generated heat out into the room. Chris describes it as “a nice addition of heat to the space, but not enough for it to be called a room heater”.
In its test, Meaco found that as a general rule of thumb, if your priority is speed of drying, you should opt for a desiccant dehumidifier. If your priority is keeping running costs low, you should buy a compressor dehumidifier.
However, that’s only true for larger dehumidifiers (20L/25L) – for smaller machines, you might just always be best off going for a desiccant option for clothes drying.
The test
In its tests, Meaco washed 13 T-shirts, then timed how long they took to dry in different scenarios. All other aspects of the trial (T-shirts used, machine cycle used, drying location etc.) were kept the same. Here were the results:
|
Setup |
Drying time |
Estimated cost |
|---|---|---|
|
Natural drying (no appliances used) |
20 hrs (round 1) / 28rs (round 2) |
Free |
|
20L compressor dehumidifier only |
4 hrs 45 mins |
28p |
|
Desiccant dehumidifier only |
3 hrs 30 mins |
54p |
|
Compressor dehumidifier with a fan |
2 hrs |
14p |
|
Desiccant dehumidifier with a fan |
1 hr 40 mins |
32p |
For reference, the appliances used were the Arete 20L compressor dehumidifier, the DD8L Pro desiccant dehumidifier, and the Sefte 10in pedestal fan. Understandably, they’re all Meaco machines. These have performed well in our reviews, but there are of course plenty of alternatives to choose form.
Which kind of dehumidifier should you use?
If your priority is keeping costs down, choose a compressor dehumidifier. “Compressor dehumidifiers are most efficient and have a lower cost-per-liter of water collected above 15°C (Meaco 20 and 25L machines can push this rule of thumb down to 10°C),” says Chris.
You’ll have noticed the caveat in that quote. Chris explains further: “The colder the air gets, the less water a compressor dehumidifier will collect, and that is where desiccant comes in – these don’t care what the room temperature is, their performance remains the same and they are more than happy below 10°C.”
In general, a desiccant compressor dehumidifier will be the quicker option, too. “They will dry clothes faster because of their high airflow and warmth coming out,” adds Chris.
However, he emphasizes this is only true for larger dehumidifiers (20L/25L): “On smaller compressor machines the drying time will be much longer, and a desiccant might just beat them on cost too then.”
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