A guide to replacing dehumidifier filters


Steven E / Friday March 28, 2025


Dehumidifiers work hard to keep your home’s humidity in check, but they can’t do it alone, their filters are key to cleaner air and optimal performance. If your dehumidifier’s filter is dirty or clogged, it’s gonna have a rough time doing its job. In this guide, I’ll walk you through some easy steps to replace your dehumidifier filters, helping you maintain a healthier environment for you and your loved ones.

The info here might not match up perfectly with your specific appliance model. While we aim to provide helpful advice for all sorts of DIY appliance fixes, different models and setups can mean different troubleshooting steps, error codes, parts, and so on. For the most accurate guidance, it’s best to check the manufacturer’s documentation for your exact model or give us a shout if you’ve got questions.

Why keeping your dehumidifier’s filter clean matters

Keeping your filters clean helps your dehumidifier run smoothly. As it pulls in moist air to reduce excess humidity, the filter grabs dust, debris, and tiny particles. Over time, all that stuff builds up and can choke the airflow. If you don’t clean or swap out the filter, your dehumidifier’s fan motor and other parts have to work overtime, which can hike up your energy bills. Plus, a clogged filter can’t effectively catch particles, so those airborne irritants stick around, and your air quality takes a hit.

Simply replacing the filter can make a noticeable difference. You’re not just protecting your indoor air by ensuring your dehumidifier traps dust and allergens effectively; you’re also helping extend the life of its components. And since a clean filter lets the unit run efficiently, you’ll keep energy costs in check. If you think your current filter’s on its last legs, it’s a good idea to tackle the issue soon. Swapping out the filter is usually a straightforward DIY task that doesn’t take much time but brings significant benefits.

Understand your dehumidifier’s filter type

Before you pick up a replacement filter, you’ll want to confirm what type your dehumidifier uses. Common types include standard mesh filters, charcoal filters, and those with antimicrobial properties. Each one targets different air quality concerns, so knowing exactly what you’ve got is helpful. Mesh filters, made of fine screen or mesh material, catch dust and other particles passing through your dehumidifier. Charcoal filters, on the flip side, help reduce odors by absorbing and neutralizing them. So if you’ve been noticing musty or funky smells at home, your dehumidifier might have a charcoal filter handling odor control.

Some models also use advanced antimicrobial filters. These come with a special coating that helps inhibit bacteria or mold growth. While they might be a bit pricier, they can be beneficial if you’re aiming for higher levels of air purification. Always check your user manual or the manufacturer’s docs. If you don’t have the manual handy, swing by your dehumidifier brand’s website. You can also learn how to find your appliance’s model number by checking out this quick guide on AppliancePartsPros.com. Having the exact model number makes it easier to snag the right replacement filter for your unit.

How to replace standard mesh filters

Gather your tools and prep the dehumidifier

Standard mesh filters are pretty common in dehumidifiers, and swapping them out usually involves just a few steps. First things first, unplug the dehumidifier to avoid any electrical mishaps. Locate the rear or front panel (depends on your model) where the filter slot’s typically located. Carefully remove the panel, following any instructions from your user manual or labels on the unit. Some panels just snap off, while others might be held in place with a couple of screws. If screws are involved, grab a Phillips-head screwdriver to loosen them. Keep those screws safe so you can put the panel back on later.

Remove the old filter and install the new one

With the access panel off, gently slide out the mesh filter. Give it a once-over for dust buildup, rips, or any damage. If it’s looking pretty dirty or has dark patches, it’s time for a new one. Some mesh filters are washable, if your manual says it’s reusable, you can clean it with some mild soap and water, then let it dry completely before reinstalling. Just keep in mind that even washable filters might need replacing after a certain number of cleanings. Pop in the new or freshly cleaned filter, making sure it lines up properly with any guides or notches. Reattach the access panel, plug the dehumidifier back in, and fire it up to make sure everything’s running smoothly.

How to replace charcoal filters

Check for odors and prep for replacement

Charcoal filters are the go-to for tackling odors in your dehumidifier. If your basement or room has that persistent musty smell, you might have a filter with a charcoal element. These filters usually come enclosed in a plastic or mesh frame and aren’t meant to be washed, so replacing them regularly is the way to go. Start by unplugging your dehumidifier. Find the filter housing, often near the air intake. You might see a combo filter that includes both a standard mesh portion and a charcoal layer, or they could be separate. Confirm which one needs replacing by checking your user manual or inspecting the filter itself.

Remove and replace the charcoal filter

After popping off the access panel, gently slide out the old charcoal filter. If it’s looking extra dark or crumbly, it’s definitely due for a replacement. Dispose of it properly since charcoal filters aren’t reusable. Slide the new charcoal filter into place, making sure it sits snugly in the filter slot. Put the panel back on, plug in the dehumidifier, and give it a test run. If you’re still noticing odors, you might want to check any other filters or consider other sources of the smell in the room. Remember, a fresh charcoal filter doesn’t just help with odors, it also plays a role in trapping small particles that could affect your lungs.

How to replace antimicrobial or specialized filters

Identify specialized filter features

Some dehumidifiers come with specialized filters aimed at reducing bacterial or mold growth. These might be labeled as “antimicrobial,” “bacteria-fighting,” or “mold-inhibiting.” They often have a special finish or coating targeting microbial nasties. If you’re dealing with a damp environment or mold concerns, you might have this type of filter. As always, start by flipping through your user manual for any specific instructions. You can also check out repair help on AppliancePartsPros.com for extra tips on removing and replacing filters if you need ’em.

Replace with care and reassemble

Unplug your dehumidifier and open up the filter access panel. These specialized filters can be a bit delicate, especially if they’ve got multiple layers or coatings. Gently slide out the old filter and check its condition. If you spot visible mold, toss it out right away. These filters usually need to be replaced outright since washing them can strip away their protective features. Carefully align the new antimicrobial filter in the filter slot. Close up the dehumidifier, making sure everything’s put back together correctly. Plug it in and turn it on to ensure it’s running smoothly. Staying on top of these filter changes helps keep mold at bay and maintains good air quality.

Wrapping up

If you need replacement filters or other parts, check out AppliancePartsPros.com. You’ll find genuine parts, detailed repair advice, and more. We’d love for you to follow us on Facebook at and Twitter for more appliance tips and updates. Feel free to reach out directly if you need assistance or have questions about your specific model. We’re here to help with all your appliance repair needs!