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Admittedly dehumidifiers aren’t the most glamourous of household appliances, and for this reason people tend to either not know much about them, or don’t really care. However, once you get to know what these little (or big) devices can actually do you may find that there could be a place for one in your home.

What is a Dehumidifier?

Put very simply, a dehumidifier reduces the level of humidity in the air to leave the environment feeling more comfortable and as a rule healthier. Not just for use in the home, some offices and venues do also use them, but portable dehumidifiers are amongst the most popular.

Available in different sizes, you can find a dehumidifier that is suited to both the size of the room and the extent of the problem, so if you just want one to prevent the issue of humidity then a small one will do, but if you’ve been affected by a flooding disaster, for example, then perhaps a large, portable one would be of more use.


How Do They Work?

There are two main ways in which they work – either through refrigeration, which cools air in a way similar to a refrigerator (aptly named then) or absorption/adsorption, where the moisture is absorbed or adsorbed into a drying material (similar to a map) and then remove.

They are in fact very similar way to how we breathe. We take in the air, remove the oxygen and breathe out carbon dioxide, whereas dehumidifiers suck up the air from your room, extract the moisture then blow it back out again.

Inside a Dehumidifier

Reasons Why You Need One

So we all know they are not the most stylish of appliances that you have in your home and you probably wouldn’t want a bulky piece of plastic plonked in your living room, but in all seriousness they could help solve a few of your problems…
1) Damp – Whether your home has sadly been affected by flooding or your house is prone to damp, a dehumidifier can prevent and clear it (and the smell).

2) Health – Humidity and excess water often leads to colds and skin irritations, so having a dehumidifier in the home means that you are reducing the chance of getting ill.

3) Mold – Usually a by-product of damp, mold can pop up anywhere and can be controlled through lowering humidity levels, hence by using a dehumidifier.

4) Extinguish bad smells – If your house, or certain rooms, are beginning to smell fusty or musty then it could be because the air needs cleaning. A dehumidifier will help to extinguish the unwanted odour.

5) More comfortable environment – Sticky, humid air, whether you’re inside or out, is not pleasant. Indoors it is usually caused by air conditioning or central heating, so when either of these are in use you may want to use a dehumidifier.

6) Help allergies – Humid air isn’t good if you are asthmatic or allergic to dust mites as they thrive in a humid environment, so it’s worth investing in a dehumidifier.

7) Get rid of bugs – Bugs seek out damp and humid settings so having clear out will help to get rid of them.

8) Drying clothes indoors – Unfortunately the weather isn’t always on our side and there are probably quite a few times during the year when we can’t peg out our washing, but drying clothes indoors = a lot of moisture in the air.

9) Protect your wood – Condensation on your windows, caused from too much moisture in the air, can lead to damage on other materials, especially wood. A dehumidifier would prevent this.

10) A doorstop – Okay so there are probably only nine real reasons as to why you actually need a dehumidifier, but there will come a time when you need a doorstep, and a dehumidifier would do the job perfectly!


Do you use a dehumidifier?


  1. I we would not touch this. Uses as much power as my 20 litres Hitachi powered low energy one. Also no humidistat so will waste your energy.

  2. Dehumidifiers are indeed very helpful. While buying just check out for the best quality options available in the market. Well, I can recommend a website Destech.eu where you can get information on best buys of Commercial Dehumidifiers.
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    Thanks for posting!!

  3. Totally unnecessary, noisy and ugly which cheapens the look of any room. My parents lived in England and never had dehumidifiers and they never had a spot of mould in their houses and they were big houses as well. It’s only dirty people who don’t open windows and don’t hang their washing out who have them.

  4. Jason, please don’t speak for the British, you don’t represent us well.
    Living in Florida in the summer one tends to feel the humidity quite badly, opening windows is a luxury saved for winter months only.

  5. Amen to the living in Florida person….The humidity is AWFUL and a dehumidifier can reduce your AC cost as well as save your sanity.


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