Advantages And Disadvantages Of a Dehumidifier


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woman cleaning her dehumidifier with water

Dehumidifiers are devices which help to remove humidity from the air. They work by using a refrigerant cycle to condense moisture in the air and remove it through a system of coils and pipes. This process is what makes them more efficient than other types of dehumidification methods, such as evaporative coolers or air conditioners. As with many systems, there are advantages and disadvantages to purchasing and operating a dehumidifier.

Let’s chat about both sides!

Dehumidifiers are made up of many important parts, including: a set of coils, a fan, and a water reservoir. The coils absorb water from the air, which is then transferred through the manifold to the reservoir. The condensate is emptied by either pumping it out manually or by using an automatic drainage system with level sensors.

Most dehumidifiers operate quietly because they are fitted with built-in compressors, which allows them to run without worrying about overheating in smaller spaces.

Advantages and disadvantages of a dehumidifier

Advantages of a dehumidifier

Under this topic we will be looking at the advantages and disadvantages of a dehumidifier. Now, lets take a look at some of the advantages of a dehumidifier. These includes:

  1. Using an air dehumidifier to tackle mold:

One of the most common benefits of a dehumidifier is that it can help protect against mold. Mold often grows when humidity levels are high, and the condensation process of a dehumidifier helps prevent mold growth. In addition, mold can be quite dangerous for people with allergies to it.

If a person has allergies to molds that grow in their environment, a dehumidifier may help them out by reducing the amount of mold they inhale.

Many people find that using a dehumidifier helps them get more comfortable inside their home or office. This is because it removes moisture from the air which then allows for more oxygen to enter your room or office (through ventilation). This can help the air to be more comfortable, and it helps reduce the risk of building up mold.

  1. Dehumidifier for laundry machines:

Using dehumidifiers for laundry can also be advantageous. This is because it allows the washing machine itself to remain cool and efficient, which helps save you money on energy costs. In addition, using humidifiers at home can also help with humidity levels in your home/office which again can help protect against mold and keep your home or office more comfortable.

  1. Dehumidifier reduces cold symptoms:
    Some people find that they feel better when they turn on a dehumidifier during the winter months . This is because having a high amount of humidity in the air can cause some people to feel cold. In addition, it can cause headaches, and sometimes even migraine headaches.

By using dehumidifiers during the winter months, this can help reduce these symptoms and make living easier for your family members which helps save on medical bills and also costs of heating.

a white dehumidifier kept on the ground
  1. Increased comfort for people with asthma:
    Using dehumidifiers will also improve the safe environment for people with asthma or allergies . Studies have shown that using a dehumidifier means that indoor air levels will be different from outdoor air levels .

Most people know that adding moisture to the air can make them more comfortable by reducing the level of breathing problems such as a decreased lung capacity, shortness of breath and blocked lungs. Therefore, using dehumidifiers at home will make the air more comfortable, and reduce the risk of air-borne infections & allergies which can cause breathing problems for people with asthma.

  1. Dehumidifier energy efficiency:
    Using dehumidifiers also helps with energy efficiency because they are much more energy efficient compared to other types of air refreshing systems such as window AC units or evaporative coolers. As mentioned early, using a dehumidifier requires less energy because of the way that it works.
  2. Preserves the life of electronics, pipes and metal surfaces:
    Another advantage of using a dehumidifier is that it helps to preserve electronics and other metal surfaces. This is because it helps keep the moisture in the air lower, which helps prevent water from condensing on these devices.

Therefore, if you have valuable electronics and other metal surfaces in your home or office, using a dehumidifier will help them last longer, as they won’t need to be replaced as often due to water damage.

  1. Dehumidifier maintains a comfortable environment:
    In fact, you should be able to notice a difference in temperature and humidity within 1-2 hours of using your dehumidifier. This is because these devices are designed to regulate the humidity level in your home/office. As mentioned earlier, this will help save on money on heating costs and medical bills, as it can also lead to increased air quality which can help prevent mold growth.

Disadvantages of a dehumidifier

We earlier mentioned about the benefits/advantages of a dehumidifier, now let us have some knowledge about the disadvantages of a dehumidifier. These includes

  1. Dehumidifier size:
    A disadvantage of using dehumidifiers is where to locate it in your home or office. You need to ensure that the location for the dehumidifier is suitable for it to work effectively, and not cause any damage to your property .

Some disadvantages include that the size of your dehumidifier may be too large for certain rooms. For example, if you have a very small apartment, you probably don’t need a dehumidifier as big as a 20L capacity. However, if you have a large home or office, then you may need a larger model.

Read Also: 8 Simple and Profitable Ways to Elevate Your Home’s Exterior

  1. Dehumidifier low water indicator:
    As mentioned earlier, one of the biggest disadvantages of using a dehumidifier is that it requires regular maintenance in order to remove any excess water from the unit. This means that you will have to check the tank regularly and empty it in order to avoid floods or other problems with your device.
  2. Dehumidifier noise:
    Some people may find the sound of their dehumidifier irritating, especially if they are using it in their bedroom or on their sleep schedule.

Another disadvantage is that not all dehumidifiers have a high-quality built-in water tank. This means that if you need to fill the tank more than twice a day, you either need to buy a bigger tank or attach a hose extension which will lead to higher power consumption and increased noise levels.

  1. Dehumidifier can be expensive:
    Another disadvantage of using a dehumidifier is the initial investment you will have to make in order to get one. This is because they are not very cheap compared to other ventilation options such as AC units or evaporative coolers and also because they use up a lot of energy compared to other units.

As previously mentioned, using this type of unit means that you will also have to maintain it and check it regularly for any problems. So, in the long run, you will be spending more money on this unit even if you don’t need it, because the maintenance costs are higher and your power bills will be higher.

  1. Dehumidifier health problems:
    As mentioned early, dehumidifiers are generally safe to use in your home/office as long as you buy one that has been approved by a reliable and trustworthy manufacturer. Some disadvantages of using a dehumidifier is the fact that they can cause some health problems if you don’t take certain precautions such as running it in a well ventilated area or wearing protective equipment such as breathing masks.

The general symptoms of these health problems may include headaches, nausea and even depression.

  1. Dehumidifier water damage:
    As also mentioned earlier, another disadvantage of using this device is that you need to be very careful when emptying the water tank to prevent any damage. This means that you must wear protective gear and don’t tip the unit upside down when removing the tank. Also, make sure that you use distilled water or clean water in the tank to prevent any bacteria build up .
  2. Requires minimal maintenance:
    A disadvantage of using a dehumidifier is that they require minimal maintenance compared to other types of ventilation systems such as evaporative coolers and window AC units. This means that you will have to check the device every few days in order to empty any excess water built up inside the tank, and you will also need to clean it once in a while if you want it to be as efficient and effective as possible.

As previously mentioned, it is important to ensure that the unit is clean and operating at peak performance levels after every 2-3 months for optimal results.


As you can see, there are many benefits/advantages and disadvantages of using a dehumidifier, just like there are for other ventilation systems. Therefore, the decision on whether to use one or not will depend on the size of your home or office and the area in which you live.

If you live in an area that is prone to floods or water damage due to heavy rainfall then a dehumidifier will definitely come in handy. If you live in a dry climate then it probably won’t be as useful .

It is also important to remember that dehumidifiers can be quite expensive, so if you opt for one, it is important that the size and capacity are suitable for the room/area where you want to install it.

dehumidifier placed on the carpet

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