How To Clean a Dehumidifier – Improve Efficiency and Longevity

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Cleaning a dehumidifier may seem like a daunting task, but it doesn’t have to be. With the right tools and techniques, anyone can easily keep their dehumidifier running efficiently. 

From preventing mold growth to helping reduce allergies and asthma symptoms, there are many reasons why we need our dehumidifiers in peak condition at all times. Unfortunately, without proper cleaning, they can become clogged with dust or mineral deposits which block it’s air intake and reduce it’s efficiency – leading to more energy costs for you!

With just some basic supplies such as white vinegar and a cloth and a soft brush, you’ll soon know exactly how to clean a dehumidifier quickly and effectively so that it’s ready to start doing its job again.

woman removing dehumidifier tank

Unplug Your Dehumidifier

Before getting started on cleaning your dehumidifier, it is important to unplug it from the outlet.

Water and electricity don’t mix, and this will ensure that nothing can be damaged (including yourself) in case of accidental contact with water during the process.

Cleaning The Exterior

Cleaning the exterior of your dehumidifier is like dusting a piece of furniture – it’s an important step to keep things running smoothly.

You’ll need:

  • warm water
  • a damp cloth
  • a dry cloth
  • white vinegar
  • a soft cloth
  1. Begin by unplugging the device before cleaning any part of it.
  2. Use the damp cloth and warm water to wipe down the outside surfaces Be sure to include the grilles.
  3. After wiping with the damp cloth, use the dry cloth to remove any remaining moisture from its surface.

You can also add some extra protection against dirt and grime on the exterior using white vinegar and a soft cloth.

Simply mix one cup of white vinegar with two cups of warm water in a spray bottle then apply generously over all exposed surfaces. Let sit for several minutes on your dehumidifier then clean off excess liquid with another clean soft cloth.

This will help protect your unit from future dirt buildup while keeping it looking shiny and new.

Clean The Dehumidifier Bucket

Cleaning the water bucket is important as it can build up a layer of grime and even bacteria. It is important to clean all this off to stop it from growing back again.

To start, gather together all the necessary materials:

  • a bucket, filter
  • liquid soap
  • clean cloths
  • a soft bristle brush

Follow this basic process for cleaning the dehumidifier tank:

  1. Begin by emptying the reservoir from the tank as well as removing any filters or other components that need cleaning.
  2. Using your liquid soap and warm water in the bucket, mix them together and use this solution to wash down the removable pieces with the soft bristled brush.
  3. Rinse off the parts with fresh water so there won’t be any residue left behind.
  4. Then take out your cloth and gently wipe down both interior and exterior surfaces of these sections until they shine again.
  5. Reassemble the machine

Wash The Air Filter and Bucket Filter

removing dehumidifer filter

Cleaning your air filter and bucket filter will ensure that it runs smoothly and efficiently.

To do this, use a vacuum cleaner to remove dust particles from the filter. If you’re using a reusable filter, make sure to follow the manufacturer’s instructions to clean it properly.

The next part of the process is to clean the dehumidifier bucket filters. Unscrew/unclip them carefully and then rinse them with some clean water before reattaching them back into place.

Make sure all pieces are securely fastened so that they don’t come loose while running.

Clean The Evaporator Coil

Maintaining and defrosting the evaporator coil is an important part of cleaning a dehumidifier. The cold coils can be prone to mold growth if not kept clean, so it’s essential to routinely check this area for dirt or debris.

To clean the evaporator coil you will need:

  • A vacuum cleaner
  • A soft bristled brush
  • A spray bottle with a soap and water mixture

Use a vacuum with a soft brush attachment and use it to clear off the top layer of dust.

Get your soap mixture and spray the evaporator coils, then with the soft brush lightly scrub off any dirt or grime that is stuck on. It’s important to be careful here as you don’t want to damage the coils.

Wait for the coils to be completely dry before turning the unit back on.

Clean The Drain Hose

cleaning the drain hose on a dehumidifier

If your dehumidifier has a drain hose, then it is important to keep it clean and unclogged.

Cleaning the drain hose should be done regularly according to the manufacturer’s instructions provided by the dehumidifier owner’s manual.

As a general guide, mild soap and lukewarm water can be used to clean the dehumidifier drain hose. Simply use a long bottle brush and dip it into the soapy water. Clean the inside of the house with it then rinse it out in a sink to clear any left over muck.

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Aaron Green
Aaron is the founder of and Essential Home and Garden. He likes to spend his spare time with his family, and doing DIY projects in the home and garden.

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