How To Clean A Dehumidifier: A Step-By-Step Guide

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How to Clean Your Dehumidifier Properly Guide] ClassyAppliances


Dehumidifiers are essential appliances that help remove excess moisture from the air, preventing mold and mildew growth while improving indoor air quality. However, like any other appliance, they require regular cleaning to function efficiently. In this article, we will provide you with a step-by-step guide on how to clean your dehumidifier and keep it running smoothly.

Why Clean Your Dehumidifier?

Regular cleaning of your dehumidifier is crucial to maintain its effectiveness and prolong its lifespan. Over time, dust, dirt, and debris can accumulate on the coils, filters, and water tanks, hindering the unit’s performance. Cleaning your dehumidifier regularly will ensure that it operates at its full capacity, saving energy and reducing maintenance costs.

Step 1: Turn Off and Unplug

Before starting the cleaning process, make sure to turn off and unplug your dehumidifier. This is important for your safety and to prevent any damage to the unit.

Step 2: Remove and Clean the Filter

The filter is responsible for trapping dust, allergens, and other particles from the air. Remove the filter according to the manufacturer’s instructions and gently clean it using a vacuum cleaner or rinse it with warm water. Allow it to dry completely before reinserting it into the dehumidifier.

Step 3: Clean the Water Tank

The water tank collects the excess moisture from the air. Empty the tank and clean it with a mild detergent and warm water. Use a soft cloth or sponge to wipe the interior, paying close attention to any stubborn stains or residue. Rinse thoroughly and dry before placing it back into the unit.

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Step 4: Clean the Coils

The coils are responsible for extracting moisture from the air. Over time, they can become dirty and affect the dehumidifier’s performance. Use a soft brush or cloth to gently clean the coils, removing any dirt or debris. Be careful not to damage the coils during this process.

Step 5: Clean the Exterior

Wipe the exterior of the dehumidifier with a damp cloth to remove any dust or dirt. Pay extra attention to the vents and control panel. Avoid using harsh chemicals or abrasive materials that may damage the surface.

Step 6: Check Drainage System

If your dehumidifier has a drainage system, inspect it for any clogs or blockages. Clear any debris and ensure that the drainage hose is properly connected and functioning correctly.

Step 7: Reassemble and Test

Once you have cleaned all the components of your dehumidifier, reassemble them according to the manufacturer’s instructions. Plug in the unit, turn it on, and allow it to run for a few minutes to ensure that everything is working correctly.

Step 8: Regular Maintenance

To keep your dehumidifier in optimal condition, establish a regular maintenance routine. Clean the filter every two weeks and perform a thorough cleaning of the unit every three to six months, depending on usage and environmental conditions.


By following these simple steps, you can effectively clean your dehumidifier and ensure that it continues to provide you with clean and dry air. Regular maintenance will not only improve its performance but also extend its lifespan, saving you money in the long run. Remember to always consult the manufacturer’s instructions for specific cleaning recommendations and safety precautions.

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