Home > Resources > Maintenance > Dehumidifier Maintenance
how-to-select-best-industrial-dehumidifier how-to-select-best-industrial-dehumidifier

Dehumidifier maintenance in 7 easy steps.

Dehumidifier servicing will help to keep your dehumidification system efficient for a healthy environment. Learn essential dehumidifier maintenance steps: clean, check, test, and maintain. Perform maintenance every 2-3 months.


Excess moisture in your home is a common source of various issues. It can cause health issues due to the growth of mold and mildew, & musty odors.

Also, excess dampness can damage furniture or electronic equipment. In such a situation, a dehumidifier machine can act as a rescuer. A dehumidification system is a device that processes room air and removes wetness from it to create a dry climate.

Introducing a dehumidifier sets the stage for a pleasant living space by effectively removing excess moisture from the air.

However, regular dehumidifier maintenance is also required for better performance. Regular maintenance is crucial to ensure optimal performance and longevity.

Dehumidifier maintenance involves a series of simple yet important .. tasks that help keep your device in top shape.

Following the maintenance guidelines in this article ensures that your dehumidifier machine functions efficiently, saving you from potential problems and costly repairs.

Understanding dehumidifier service in detail with proper technique is vital before owning one. In this "How to" blog, we will dive deep into the specifics of dehumidifier maintenance. This step-by-step guide will make your repairing task easy and joyful.

It will empower you to increase the life of the device and create a healthy, comfortable, and humidity-free living space.

So, let's embark on this maintenance journey together and discover how to keep your dehumidifier operating at its best!

Read more

Step 1: Cleaning the Exterior.

Step 1 - Cleaning of room dehumidifier exterior

First, we need to clean the exterior surfaces of the dehumidifier from dust & stains. Cleaning the exterior helps maintain its aesthetic appeal and ensures the device's efficient functioning. Follow these steps for adequate cleaning of the unit.

Step 2: Cleaning the Air Filter.

Step 2 - Cleaning air filter of air dehumidifier

Maintaining clean and healthy indoor air quality is vital to the unit. The air filter is located at the inlet vent of the room dehumidifier. Due to its function, it becomes clogged with dust, allergens, and other airborne particles.

Hence, it requires regular cleaning. A clogged filter can hamper the efficiency and performance of the dehumidification system. Regularly cleaning the air filter will ensure optimal performance. Please follow the steps below for air filter cleaning.

Step 3: Checking the Drainage System.

Step 3 - Checking drainage of portable dehumidifier

The drainage system of your dehumidifier is responsible for removing the collected moisture from the air. Regularly checking and maintaining the drainage system ensures proper functioning and prevents any issues arising from clogs or blockages.

After unplugging the machine, please follow the steps given below.

Step 4: Inspect the Coils.

Step 4 - Inspecting condenser and evaporator coil

The coils in your dehumidifier play a crucial role in moisture removal. During the working of the dehumidification system, room air passes over the evaporator and condenser coil. Hence, dirt can accumulate on it, which in turn can reduce the machine's efficiency. ..

Regularly inspecting and cleaning the coils ensures optimal performance. After disconnecting the unit from the power source and following these steps.

Go through the installation and maintenance manual of the unit to find out how to access these coils. Follow the instructions in the user manual to safely and correctly access the coils.

Once you have accessed the coils, visually inspect them for any dirt, dust, or debris buildup. Pay attention to both the evaporator coil (cold coil) and the condenser coil (hot coil). Look for signs of excessive dirt, mold, or damage.

You can use a cloth or a brush to clean the coils. But, if it is foul, you can use an air blower machine. Be careful not to bend or damage the delicate fins of the coils.

If the evaporator and condenser are heavily soiled or have stubborn residue, consider using a coil cleaner specifically designed for HVAC systems or appliances.

Follow the instructions provided with the coil cleaner, and ensure it is compatible with the type of coils in your dehumidifier.

If you are cleaning the coils with liquid before reassembling, ensure it is completely dry. Regularly inspecting and cleaning the coils of your dehumidifier will help maintain its efficiency and prevent issues related to dirt or debris buildup.

Coils are the heart of the refrigerant cycle, so checking it at least twice a year is recommended. Keeping the coils clean ensures that your dehumidifier functions optimally, providing a comfortable and moisture-free living space.
Read more

Step 5: Testing the Humidity Levels.

Step 5 - Testing humidity level

This step is a critical test for accurate performance and maintaining humidity in your living space. By regularly monitoring the humidity levels, you can ensure that your dehumidifier is effectively controlling moisture and creating an optimal living environment. ..

Turn on the dehumidifier: First, switch on the unit to check and adjust the humidity level. It allows the dehumidifier to cycle and stabilize, giving you a more accurate reading.

Obtain a hygrometer: Ensure that you have a reliable hygrometer for accurate readings. With the help of a hygrometer, one can measure the preset humidity level. You can buy it from any electronic shop.

Select a representative area: Choose the place inside your home where you want to conduct a humidity level test. This location should be at the center of the room and away from windows and doors.

Place the hygrometer: For accurate results, position the hygrometer at a height of around 3 to 4 feet above the selected location. Avoid placing it near heat sources or in direct sunlight, as this can affect the accuracy of the readings. Do not move or touch the hygrometer for at least 15 to 30 minutes so that it can provide the correct reading of the room humidity level.

Read the humidity level: After the designated time, check the hygrometer to read the humidity level displayed. The reading is typically given as a percentage, representing the relative humidity in the room.

Compare with optimal range: Compare the reading on the hygrometer with the optimal range for indoor humidity, generally between 30% and 50%. If the reading is below this range indicates a low humidity level, and if it is above the range, then high humidity level.

Adjust the dehumidifier settings: If our living space has high humidity, then set your dehumidifier at a lower humidity setting. Consult your dehumidifier's user manual for instructions on adjusting the setting.

Adjusting the dehumidifier settings based on the readings will help you maintain an optimal humidity level and prevent issues related to excessive moisture or dryness.
Read more

Step 6: Emptying and cleaning the Water Tank.

Step 6 - Cleaning water tank of silent dehumidifier

Suppose your dehumidifier has a water tank or collection bucket. In that case, it is important to regularly empty and clean it to maintain optimal functionality and prevent any issues arising from stagnant water or buildup. Before starting any maintenance, as usual first, unplug the dehumidifier unit...

Most portable dehumidifiers have the feature of auto shutdown when the tank gets full. If the tank is full or nearly full, carefully remove and empty it. Refer to the manual to locate the condensate bucket access.

To clean the tank, you can use mild liquid soap. Use scrub or foam to clean the bucket's interior by applying gentle pressure.

Pay special attention to any corners or crevices where dirt may accumulate. Rinse the tank thoroughly to ensure all soap residue is removed. After cleaning, dry the water tank thoroughly.

While reinstalling the bucket, ensure it is correctly aligned and securely placed in the designated slot or holder.

Regularly emptying and cleaning the water tank of your dehumidifier prevents the growth of bacteria, mold, or mildew and helps maintain optimal performance.

Regularly emptying and cleaning the water tank of your dehumidifier prevents the growth of bacteria, mold, or mildew and helps maintain optimal performance.

Keeping the water tank clean ensures that your dehumidifier functions efficiently, providing a comfortable and moisture-free living space.

Refer to the manufacturer's instructions for specific recommendations regarding tank maintenance for your dehumidifier model.

Read more

Step 7: Maintaining Proper Ventilation.

Step 7 - Ensuring proper ventilation

Proper ventilation is crucial for efficiently operating your dehumidifier and a healthy indoor environment. Follow these summarized steps.

1. Assess the room layout and remove any obstructions that impede airflow...

2. Keep doors and windows closed in the dehumidifier's operating area.

3. Ensure there is enough space around the dehumidifier for unrestricted airflow.

4. Clean and maintain vents and air ducts to prevent blockages.

5. Use fans or ceiling fans to enhance air circulation.

6. Address any mold or mildew issues promptly.

7. Ventilate high-moisture areas like bathrooms and kitchens with exhaust fans or open windows.

By maintaining proper ventilation, you maximize the effectiveness of your dehumidifier in controlling moisture levels and promoting a fresh and healthy indoor environment.

Regular proper dehumidifier servicing is essential for better performance of the unit. Also, it extends the lifespan of the machine.

This guide will help you in keeping your room dehumidifier clean and efficient. Consider your user manual for specific instructions tailored to your dehumidification system.
Read more

Read Dehumidifier Servicing Guide

Frequently asked questions

The frequency of cleaning depends on various factors. A general rule of thumb is to clean the air filter once a month or whenever it appears dirty or clogged. Working hours and room air quality also determine how fast the filter will be blocked.

The clogged filter can reduce the unit's efficiency and compromise indoor air quality. It should be cleaned regularly to maintain the efficiency and performance of the device. Read our resource page for more on dehumidifier troubleshooting, maintenance, and Tips

A dehumidifier has an auto-defrost feature to prevent ice from forming on the evaporator coils. This ice can damage the evaporator and reduce the efficiency of the dehumidifier.

The auto-defrost feature senses the temperature of the coils and turns off the compressor when it is too low. It allows the ice to melt and the evaporator to defrost.

Cleaning your dehumidifier's intake and exhaust vents is an essential maintenance task that helps ensure optimal performance and efficiency.

Generally, it is recommended to clean the intake and exhaust vents once every two months. However, it depends on the room conditions in which you use the dehumidifier. Regular cleaning of vents will prevent accumulation of dust and list on it.

If your dehumidifier emits a terrible odor, you should follow these steps:

1. Unplug the dehumidifier.

2. Check the water tank if there is dirt or mold at its bottom. Clean the bucket with mild soap and water.

3. Check the filter for any mold or mildew growth. Use a cloth or blower to clean it.

4. Poor ventilation also can cause a smell. So, place the dehumidifier in a well-ventilated area.

If the odor persists, contact the manufacturer or a qualified technician.

If your dehumidifier is equipped with a continuous drainage option, you may wonder whether removing the water tank or collection bucket is necessary. Here is a detailed answer to help you understand the considerations and best practices:

The continuous drainage option in a dehumidifier allows you to divert the collected water directly into a drain or through a hose connected to a suitable outlet. This feature is incredibly convenient if you prefer not to empty the water tank manually or need the dehumidifier to operate continuously without interruption.

A mobile dehumidifier will automatically bypass the tank and allow condensate to flow directly through the hose pipe. This arrangement ensures continuous disposal of water without manually emptying the tank frequently.

You typically do not need to remove the water tank when using the continuous drainage option.

Moisture matters - A dehumidifiers guide for healthy living

Blog Dehumidifier Troubleshooting A Unique Guide to Fix Common Issues

Dehumidifier troubleshooting

Unveil the secrets to effective dehumidifier troubleshooting as we delve into our comprehensive blog, offering valuable insights, step-by-step guidance, and practical tips to help you identify and resolve common issues.

Read more Read More Like
Blog Dehumidifier Tips How to get the most out of a dehumidifier.png

Dehumidifier tips

Unlock the potential of your dehumidifier with our comprehensive blog, packed with valuable tips and tricks to maximize its effectiveness, optimize energy efficiency, and create a comfortable and healthy indoor environment.

Read more Read More Like
Blog How does a dehumidifier work

How does a dehumidifier work?

Uncover the inner workings of a dehumidifier as we take you on a journey through our comprehensive blog, explaining the fascinating mechanisms behind how dehumidifiers extract excess moisture from the air to create a comfortable and healthy living environment.

Read more Read More Like

Subscribe to our blogs

Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi