A dehumidifier is a game-changer when it comes to speeding up the laundry drying process indoors. They are especially useful if your home is prone to humidity and you should ideally avoid adding even more humidity to the situation. They are also great if you don’t have space for a dryer or the funds to use it regularly during the winter months.
As someone to whom all of the above applies, I speak from experience. Before introducing my beloved dehumidifier into my home, drying clothes during the cold, wet months of the UK winter (and let’s be honest, autumn and spring) was a long and wet process. Now I wouldn’t be without one.
Desiccant Versus Compressor Dehumidifiers
There are two main types to consider: a desiccant dehumidifier and a compressor dehumidifier.
A compressor dehumidifier is the most common option and works by using a fan to draw moist air over a cold set of coils, where water vapor condenses and drips into the collection tank. The air is then passed through heated coils to return to room temperature before it is released back into the room.
In contrast, desiccant dehumidifiers work by using moisture-absorbing materials to collect water from the air. In this configuration, heat is used to dry the desiccant material, so the dehumidifier will release the heat generated into the room. Chris describes it as “a nice addition of heat to the space, but not enough to call it a room heater.”
In his testing, Meaco found that, as a general rule, if your priority is speed drying, you should opt for a desiccant dehumidifier. If your priority is to maintain operating costs lowyou should buy a compressor dehumidifier.
However, that is Only valid for larger dehumidifiers (20L/25L): For smaller machines, it will always be better to opt for a desiccant option for drying clothes.
the test
In its tests, Meaco washed 13 T-shirts and then calculated the time they took to dry in different scenarios. All other aspects of the test (t-shirts used, machine cycle used, drying location, etc.) remained the same. Here were the results:
|
Configuration |
drying time |
Estimated cost |
|---|---|---|
|
Natural drying (no devices used) |
20 hrs (round 1) / 28 hrs (round 2) |
Free |
|
20L Compressor Dehumidifier Only |
4 hours 45 minutes |
28p |
|
Desiccant dehumidifier only |
3 hours 30 minutes |
54p |
|
Compressor dehumidifier with fan. |
2 hours |
14p |
|
Desiccant dehumidifier with fan |
1 hour 40 minutes |
32p |
For reference, the appliances used were the Arete 20-liter compressor dehumidifier, DD8L Pro desiccant dehumidifier, and the Sefte 10-inch pedestal fan. Understandably, they are all Meaco machines. These have performed well in our reviews, but of course there are plenty of alternatives to choose from.
What type of dehumidifier should I use?
If your priority is keeping costs downchoose a compressor dehumidifier. “Compressor dehumidifiers are more efficient and have a lower cost per liter of water collected above 15°C (Meaco 20 and 25 liter machines can reduce this rule of thumb to 10°C),” says Chris.
You may have noticed the warning in that quote. Chris explains in more detail: “The colder the air, the less water a compressor dehumidifier will collect, and that’s where the desiccant comes in: these don’t care about the ambient temperature, their performance remains the same and they are more than happy below 10°C.”
In general, a desiccant compressor The dehumidifier will be faster option too. “They dry clothes faster due to the high airflow and heat they give off,” adds Chris.
However, he emphasizes that this is only true for larger dehumidifiers (20L/25L): “On machines with smaller compressors, the drying time will be much longer, and a desiccant may also exceed the cost.”
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