2020 Report – How To Clean A Dehumidifier

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Any appliance works at its best when it undergoes regular maintenance, and this applies to dehumidifiers too. Just like other appliances, a dehumidifier also works efficiently when it is well maintained.

Improper or even no maintenance makes the unit noisier and lowers its efficiency, which ultimately causes its breakdown. Thorough cleaning not only provides good performance but also cuts down on the maintenance cost.

So, if you think it’s time to clean your dehumidifier, here’s how you can do it in the right manner.

Comparison Chart of our Favorite Dehumidifiers

  • Best Overall
  • Only Uses 515 Watts of Power
  • Very Quiet and Works at 55 Decibels
View Latest Price →Read Customer Reviews
  • Runner-Up
  • Comes With a Huge 7.6-Pint Tank Capacity
  • Can Pull 30 Pints of Moisture Within 24 Hours
View Latest Price →Read Customer Reviews
  • Best for the Money
  • Fitted with a 68-Ounce Water Tank
  • Can Collect up to 26 Ounces of Moisture Per Day
View Latest Price →Read Customer Reviews

How Often Should You Clean Your Dehumidifier?

With time, debris and dust collect in different parts of the humidifier. This includes the cooling and heating coils present inside the unit as well as those housed in the water reservoir. The accumulation of such elements can lead to excessive damage if the unit isn’t cleaned properly. Eventually, the unit will stop working at all. So, to enjoy the highest efficiency from your humidifier, you must clean the unit at least one or two times per month when in use.

How to Clean a Dehumidifier

When it comes to cleaning a dehumidifier, the task isn’t hard at all. You must know that every part has to be cleaned including the filters, the water reservoir, and even the unit’s exterior. If it’s your first time cleaning a dehumidifier, here are six simple steps that can get the job done easily.

1. Unplug Your Dehumidifier

Before you start or even bring a damp cloth near it, make sure to switch off your dehumidifier and unplug it from the power outlet. Doing so will ensure that the unit is completely safe to clean whether you just want to wipe it down quickly or you want to clean all the individual parts thoroughly.

2. Wipe The Outside

A humidifier works efficiently to remove all the potentially hazardous stuff present in the air. Its exterior, or better understood as the outer shell, works as the first line of defense between the dirty air it tries to collect and the internal components of the dehumidifier.

So once you’re sure that your dehumidifier is unplugged, use a dry cloth to wipe off the gross elements like dirt and grime that has collected on the exterior. If it is excessively dirty, then use a damp cloth. However, remember that you shouldn’t spray water or cleaning solvents on it directly at any time. This could damage the unit and cause it to cease to function.

3. Clean Out The Reservoir

The water collection tank, or reservoir, of your unit must be emptied frequently to save it from potentially damaging elements. However, it’s better to take a step further and clean it using warm water and soap or simply a disinfectant.

Mildew and mold tend to build up quite quickly, and once they make their way inside the tank, they are dispersed into the air and can spread illnesses. For this reason, it is better to have it cleaned thoroughly once every three weeks, particularly if it’s in frequent use.

Simply pour in liquid soap into the tank along with water. Gently scrub it and rinse it. Let it dry off fully before putting it back in place. You may also use vinegar to break up hard water deposits or stubborn dirt during this step. Just check your owner’s manual to ensure it is not contraindicated.

4. Rinse The Air Filter

The air filter is the part which does all the magic and if you have a dirty filter, your dehumidifier won’t work at all. So, to clean the filter, remove it from your dehumidifier and check if it has been damaged or if there are any blockages.

Depending on the dirt and dust on the filter, determine if you need to replace the filter. If you think that the filter is usable, then you can get started on cleaning it. For that, make a solution of a gentle detergent and warm water. Then let the filter soak in the mixture for several minutes before you dry it off.

5. Vacuum

Just to make sure you get all of the particles and have your dehumidifier unit completely clean, you can vacuum it. Just grab a vacuum attachment and get rid of any remaining dirt that you can spot. You can also vacuum the filter before washing to get any loose dirt off.

6. Remove and Clean the Bucket Filter

Your unit may not necessarily have a bucket filter. This filter helps to trap the stray impurities in your dehumidifier. Compared to the main air filter, this one is smaller and is just about the size of a thimble. It is typically tucked in the reservoir, but you can check your unit’s user manual to ensure that your dehumidifier is fitted with one. If a bucket filter is present, just rinse it using warm water. Once it's completely dry, return it to its place.

Video Review

Reading the steps might seem too confusing and you might feel lost in the middle of cleaning. To help you out, here’s a video which takes you through all the steps of how to take apart the unit and clean it. You can follow along and get your job done without any problem.

The video also gives you a few helpful tips so that cleaning is made as easy as possible. So, before starting clean, put on this video and do as it is shown in the video.

Review of our Favorite Dehumidifiers

If you still haven’t purchased a dehumidifier or if you’re looking for a unit to replace your current one, here are our three favorite dehumidifiers. All three of these are loved by many given their high efficiency and great functionality.

Danby Energy Star 70-Pint Dehumidifier


  • Even in the Most Humid Weather, the Unit Keeps the Air Dry
  • Highly energy efficient, thus not adding much to the energy bills
  • It is Super Quiet, Hardly Making Any Sound on the Highest Fan Setting


  • The LED Display Isn’t Very Durable and Can Stop Working in a Few Months

Our Review

This Danby home dehumidifier is truly a powerful unit. It can remove up to 70 pints of moisture within 24 hours and can clean an area of up to 4500 square feet. So, if you’re looking for a humidifier for your whole house, this is a great option.

Despite being a two fan humidifier, the unit operates quietly with a sound level of 50 decibels. Think of it as the sound level made by a refrigerator. Apart from a whole house dehumidifier, this can also work as an excellent basement dehumidifier and even one that can be used in places like workshops, storage areas, and the garage. Given that it can easily handle temperatures as low as 41-degrees Fahrenheit, this unit is highly versatile.

The unit also has many other useful features. For instance, there’s an auto defrost feature which makes sure that the coils and water in the machine don’t freeze over. There’s a full bucket alert as well, which notifies you when it’s time to empty the reservoir. Moreover, it is highly efficient and makes use of only 515 watts of power. Plus, it is also Energy Star certified which means that it can help you save on energy bills!

Overall, the unit also appears to have above-average workmanship and a design which contributes to its longevity and durability. Moreover, its tank is made using high-quality resilient and durable plastic.

Bottom Line

This unit by Danby is one of the most energy efficient 70-pint units you’ll find on the market. Perhaps its greatest benefit is that it's capable of dehumidifying large areas like workshops, garages, and basements, and it can even cater to a whole house.

Dehumidifier with Effortless Humidity Control


  • Has an Attractive Design
  • Can Work With Smart Plugs
  • Operates Quietly, the Compressor Hardly Makes Any Noise


  • The Sensor Isn’t Too Accurate

Our Review

The Frigidaire 30-pint dehumidifier is designed primarily to transform your room’s environment such that it becomes unfavorable for the growth of mildew and mold. Despite the small size, this unit can easily handle small to medium-sized rooms.

In fact, this unit can work as an efficient humidity control system for your walk-in closet, music room, car, boat, or garage. Suitable for various applications, this dehumidifier is engineered particularly to suit your needs.

Moreover, its 7.6-pint tank capacity also allows it to pull moisture from the air at 30 pints within 24 hours. The tank is placed on the front side, which is quite ergonomic since its position allows users to throw away the collected water conveniently. By pulling the moisture away from the room, it not only avoids the growth of mildew and mold but also helps you breathe without a problem.

In addition, this 30-pint dehumidifier comes with various security features as well. For instance, its system is designed such that it informs you when the tank is full.

And in case you’re not free or available to empty the tank at that instant, the unit automatically shuts off to avoid the spillage of water on the floor. So, you don’t have to worry about the dehumidifier flooding your home when you’re out!

Bottom Line

In case you want a portable unit, then this 30-pint dehumidifier is an ideal choice. It comes with features such as caster wheels and top handle that allow you to move it from place to place easily. Plus, with its high capacity and efficiency, it is suitable for various purposes.

Afloia Portable Electric Dehumidifier for Home 2000ML Water Tank, Home Dehumidifier for Bathroom Dehumidifier for Basement Space Bedroom Kitchen Caravan Office Basement Bedroom Bathroom


  • The Noise Produced is More Comforting Than Disturbing
  • Can Get Rid of Quite an Impressive Amount of Moisture in Just a Short Time
  • It is Very Easy to Use; Simply Push the Button, and It’ll Start Getting Rid of Humidity


  • Only Suitable for Small Spaces

Our Review

The Afloia electric dehumidifier is best known for two things; its affordability and how quiet it is while working. Without making too much noise, this unit can help to ensure healthy environments by eliminating bacteria from the air. The noise level stays under 42 dB, with no additional bothersome noise accompanying the unit to allow for a calm, peaceful space. Plus, it is ideal for poorly ventilated, small rooms.

The unit is highly efficient and is best suited for removing moisture from bathrooms. It comes with a huge 68-ounce water tank that stores all the moisture it has collected. The tank is placed on the front and is quite easy to move too.

Due to its high efficiency, the unit can remove up to 26 ounces of moisture in a day. This dehumidifier takes up very little space since it is compact and portable, yet it delivers quite a good amount of power.

It can effectively control mold, bacteria growth, and condensation. Moreover, it uses no chemicals and ensures low energy consumption, making it energy effective, eco-friendly, and environmentally-friendly.

In addition, the unit is entirely safe to use, primarily because of the automatic shut-off sensor. After the water receptacle is filled to the brim, the unit turns itself off to keep from overflowing. Only when the reservoir is empty will the dehumidifier turn on again.

Bottom Line

Despite being a super quiet unit, the Afloia dehumidifier gets rid of excess moisture from your house. It also reduces humidity, which in turn, prevents the damage it causes. As a result, with this unit, your family can enjoy increased comfort and improved health.


By following the six simple steps listed above on how to clean a dehumidifier, you can ensure that your unit provides good performance for years to come. With the right maintenance and care, a dehumidifier can control the humidity in your house efficiently and provide a comfortable and healthy environment.