How to Recharge a Dehumidifier [DIY Guide]

How to Recharge a Dehumidifier [DIY Guide]
How to Recharge a Dehumidifier [DIY Guide]

How to recharge a dehumidifier? Are you finding the most actionable solution for the query? Well, in this article below, we will be discussing the best answer to make the recharging experience a bit more comfortable for you.

Nowadays, several kinds of dehumidifiers are available with varied colors and designs. Like all other electrical appliances, it also requires recharging after heavy use. Especially the one that uses refrigerant requires recharging after 1 year of regular use. So you might be wondering how to recharge a dehumidifier properly?

Among all the essential electronic devices that we use at our home, a dehumidifier is one of them that is making our life more comfortable. It is a valuable device that is used to lessen excess moisture by offering a perfect balance of air to breathe in.

Don’t worry; if you don’t know, we are here to let you know so you can easily recharge your one at your home. At the same time, it will save the extra expense that you would have been giving to someone. Keep reading to know in detail.

How to Recharge a Dehumidifier?

If you suddenly see your dehumidifier isn’t working, the first thing that you must do is check for 3 core things before reaching any conclusion. If only those 3 things work properly, it will mean your device is okay and will start working after recharging. So the things you must check are:

  1. Is the motor working or not?
  2. Is the fan functioning properly or not?
  3. Both motor and fan are working, but still, the surroundings feel humid.

After checking these 3 things correctly, you must go ahead with recharging your device only. Otherwise, it will be a wastage of both energy and time along with money.

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Although a dehumidifier needs to be recharged frequently, the procedure is easy if you can follow it properly. There are some steps that you need to do correctly. So, without further delay, let us talk about the steps of recharging a dehumidifier so you can also benefit yourself from it.

Step 1: Buy Recharging Tools

The number one step is to buy the recharging tools correctly for changing your previous one depending on your dehumidifier model. Due to protection purposes, these tools are usually not available in the local small hardware shops. It will be a bit hard to buy from these stores as you may need to search various stores.

Nowadays, many online stores sell these recharging tools, so you can easily buy from them online without having to go anywhere. These tools usually consist of a small gas container or cylinder containing R-22, R-410A, or any other gas. Based on your requirement, you must buy the correct one.

Step 2: Remove Cables

Once you buy the right recharging tools, the main procedures of recharging actually start from these steps. Here, the first job of yours is to remove the cable of the device from the power supply connection.

Although it may seem a trivial matter, but it is, in fact, it is an essential job. Because while working, if you mistakenly forget to remove the power supply, your life may get at risk. That’s why staying cautious is a must. After these, you need to gather all the essential kits for opening the device.

Step 3: Unbolt Screws

The 3rd step is unbolting all the screws to open the device properly. Check for all the screws as if you forget to remove even one screw, the dehumidifier will not open. It is better to start removing from one part at first.

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Like you can begin removing either from the top or from the back part and then continue removing in a circular way. It will be a much easier way to remove the screws as otherwise you might get confuse.

Step 4: Attach Cylinder

Once you have open the device, the next step is taking out the compressor and finding the tube. After these, get the cylinder that you have bought and then attach it correctly.

It is one of the crucial steps as fixing accurately only you can recharge it properly. Otherwise, the gas will leak in the surroundings instead of going in the right place, which you will not.

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Step 5: Press the Compressor

After you fix it properly, you need to press it against the compressor. If you have done all the previous steps correctly, you will see that the compressor is starting to get recharged while pressing.

After 2-3 minutes, you will see that the gas begins transferring from the cylinder to the compressor. Within less than 15-20 minutes, it will get fully recharged.

Therefore, these are the above steps that you need to follow for recharging a dehumidifier.

Caution Note

One thing that you need to take care of while doing these steps is that there are no inflammable things around. As you are handling with gas, it is better to take prevention before, so there is no scope of any risk.

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What Should You do When the Device does Not Work after Recharging?

If somehow your dehumidifier does not work correctly even after recharging. There are some things that you can do other than recharging, such as:

  • Check the coil to see if there is any dirt there. If present, then clean it properly. After cleaning, examine if the dehumidifier works appropriately or not.
  • Check all the screws holding the fan. If any screw is loose, secure it tightly.
  • Examine the motor if it is functioning correctly or not.
  • Lastly, check the internal compressor to see if it is working properly or not.

If any of the things mentioned above have a problem functioning correctly, it will mean that the dehumidifier needs repairing.

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FAQ – How to Recharge a Dehumidifier

People have several types of confusions regarding recharging a dehumidifier. That’s why for clearing those confusions, we have tried to answer those in our FAQ section. Check them if you also want to know about them.

Question-01: Can Home Dehumidifiers Be Recharged?

Answer: Well, the answer to this question is no. You can only recharge those home dehumidifiers that use refrigerants such as R-22, R-410A, etc. This kind of dehumidifier creates cold and dry air by removing the moisture from the air.

Question-02: How Many Years Does a Dehumidifier Last?

Answer: Generally, a dehumidifier lasts for 5 to 10 years. However, it can also last more or less than these estimated years, depending on your dehumidifiers’ quality.

To increase your dehumidifier’s lifetime, you must take proper care of it. Frequently, check and clean the air filters and condensing twists so that no water clogs up there.

Question-03: Is There Refrigerant in a Dehumidifier?

Answer: Yes, there is refrigerant in a dehumidifier. In fact, it is an essential component of a dehumidifier as Freon is used for cooling the air.

Question-04: What Type of Freon Does a Dehumidifier Use?

Answer: Almost all type of dehumidifier uses Freon for cooling the air inside the unit. However, the kind of Freon that almost all dehumidifier uses are R-22 and R-410A coolants.


Hopefully, you have now got a complete idea of how to recharge a dehumidifier. The moisture in the hot season increases manifold, for which it feels heavy to breathe properly in that time. This is where a dehumidifier can play a significant role by lessening the air’s moisture and providing a perfect surrounding to breathe. It is especially useful for those who have allergies and asthma.

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If you have this device at home you must know how to recharge a dehumidifier. One of the common issues with this dehumidifier is that they need recharging after regular use every year. However, you can easily recharge them by following the above steps.

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Olivia Charlotte can usually be found reading a book or doing something new, something creative. It mesmerized her to do something that will help her to feel she's helping others with her knowledge. After her graduation, she got herself into reading and writing many creatives. In her lonely time, she found cooking her favorite dishes. Olivia always keeps herself a bit separate from others because her mind is always thinking and not everyone can accept it. After she found, she finally had a place to share her helpful writings with people who want to get resourceful articles on almost anything.