How to Clean a Dehumidifier: A Comprehensive Guide for a Healthier Home


Maintaining a clean and healthy home environment is essential, and one crucial appliance that helps in achieving this is a dehumidifier.

To ensure its efficient operation and prevent mold and mildew growth, regular and cleaning process is vital.

In this comprehensive guide, we’ll walk you through the step-by-step process of cleaning your dehumidifier properly and effectively.

Not only will this enhance the appliance and vacuum cleaner’s performance, but it will also promote better indoor air quality, making your living space more comfortable and safe for everyone.

Why Regular Dehumidifier Cleaning is Essential

Excess moisture in the air can lead to various issues, such as mold growth, dust mites, and a damp environment that’s conducive to allergens.

To maintain a healthy living space and maximize the benefits of your dehumidifier, regular cleaning is imperative.

Gathering the Necessary Supplies Before you start cleaning your dehumidifier, gather the following supplies:

  • A soft cloth
  • Mild liquid soap or detergent
  • Distilled white vinegar
  • Warm water
  • Soft bristle brush
  • Spray bottle
  • Dry cloth

Safety Precautions, Safety should always be a priority when cleaning any electrical appliance. Before proceeding, follow these safety precautions:

  1. Unplug the dehumidifier from the power source to avoid electric shock.
  2. Allow the unit to cool down if it was recently in use.
  3. Work in a well-ventilated area to prevent inhaling dust or mold spores.

Step-by-Step Guide to Clean Your Dehumidifier

Step 1:

Remove and Clean the Air Filter The air filter is a crucial component of your dehumidifier as it traps dust, debris, and mold spores.

Depending on the model, the air filter may be reusable or replaceable. Follow these steps:

  1. Carefully remove the air filter from the dehumidifier.
  2. If it’s reusable, gently vacuum the filter to remove dust and debris.
  3. For replaceable filters, follow the manufacturer’s instructions to replace it with a new one.

Cleaning the Exterior Step 2:

Wipe Down the Outer Shell The outer shell of the dehumidifier tank can accumulate dust and dirt over time.

Wipe it down with a damp cloth and mild liquid soap to remove grime and maintain a clean appearance.

Step 3:

Clean the Reservoir Bucket The reservoir bucket collects extracted water from the air.

To prevent mold growth and musty odors, clean it regularly:

  1. Empty the reservoir bucket and rinse it with warm soapy water.
  2. For stubborn stains or odors, add a mixture of distilled white vinegar and water and let it sit for a few minutes before rinsing thoroughly.

Cleaning the Internal Components Step 4:

Clean the Dehumidifier Filter Apart from the air filter, the dehumidifier may have additional filters, such as a dehumidifier filter or a bucket filter.

Clean these electronic components by following the manufacturer’s instructions.

Step 5: Addressing Mold Growth or Mildew If you notice mold or mildew inside the dehumidifier, take the following steps:

  1. Mix warm water and mild liquid soap to create a cleaning solution.
  2. Use a soft bristle brush to carefully scrub the affected areas.
  3. Rinse thoroughly and ensure there are no traces of soap.

Final Steps for Optimal Performance Step 6:

Cleaning the Water Tank and Hose Attachment If your dehumidifier has a water tank or hose attachment, regularly clean them to prevent clogs and ensure efficient water drainage.

Step 7: Drying and Reassembling

After completing all the cleaning steps, allow the dehumidifier clean all the components to dry completely before reassembling the dehumidifier.

Regular Maintenance and Tips To keep your dehumidifier working efficiently and maintain a healthy home environment, consider these maintenance tips:

  • Clean your dehumidifier every 1-2 months, depending on usage and environmental conditions.
  • Place the dehumidifier away from walls and furniture to allow proper airflow.
  • Consider using air purifiers in conjunction with your dehumidifier to enhance air quality.


Regularly cleaning your dehumidifier is essential for maintaining a healthy indoor environment.

By following this comprehensive guide and incorporating proper maintenance, you can extend the life of your dehumidifier, ensure optimal performance, and enjoy a cleaner, more comfortable living space for years to come.

Remember, a well-maintained dehumidifier contributes to a healthier home and a happier you.

Contact Brabos Cleaning today to schedule a professional cleaning session for your house .

Happy cleaning!

Contact us today to schedule your service.

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