A Step-by-Step Guide on How to Clean Bathroom Extractor Fan in Minutes

bathroom extractor fan cleaning

Welcome to our step-by-step guide on effortlessly cleaning your bathroom extractor fan filter in just a few minutes. We all know that the bathroom can be a sanctuary for relaxation and rejuvenation but also a breeding ground for humidity and odours. If you’ve noticed reduced performance from your bathroom extractor fan or that damp, musty smell won’t disappear, it’s time to give your fan filter some much-needed attention.

Maintaining a clean and efficient bathroom extractor fan filter is more straightforward than you might imagine, and it’s essential to ensure your bathroom remains a fresh and comfortable space. In this comprehensive guide, we’ll take you through the entire process, from recognizing the signs that your filter needs cleaning to achieving a spotless outcome.

Whether you’re a DIY enthusiast or someone who values a clean and pleasant bathroom environment, this tutorial will provide the knowledge and techniques to keep your bathroom extractor fan performing at its best. Say goodbye to lingering odours and hello to improved air quality and ventilation. Let’s jump into the quick and easy process of cleaning your bathroom extractor fan filter

Preparing the Extractor Fan Filter

The first step to cleaning your extractor fan filter is to prepare the filter for cleaning. To do so, follow these steps: First, unplug the fan from the socket or turn off the power. Next, wear rubber gloves when handling the filter. This is to ensure that your hands do not damage the filter. Then, remove the filter from the extractor fan. It is probably a sealed filter if you cannot remove the filter from your fan. It indicates that the filter is not removable. In such a case, clean the filter by putting it in a sealable bag with water and dishwashing liquid. Let the filter soak in the bag for a few hours. Afterwards, remove the bag and clean the filter with a soft sponge. The last step is to dry the filter before returning it to the fan. This way, you can clean the filter without damaging it.

Removing the Filter

To clean your extractor fan filter, remove it from the fan if possible. If it’s sealed, clean it in place. For removable filters, gently lift and turn upside down to avoid dirt and grease falling back into the fan. Place on a flat surface or inside a sealable bag to contain any dirt.

Cleaning the Filter

extractor fan cleaning filter
  1. Rinse with Water: If your extractor fan filter is washable, start by rinsing it under a gentle stream of lukewarm water. Hold the filter by its edges to prevent any damage. Allow the water to flow through the filter from the clean to the dirty side, which helps dislodge the trapped particles.
  2. Soak in Soapy Water: A more thorough cleaning is required for filters with stubborn grease or dirt buildup. Fill a basin or sink with warm water and add a mild dish soap or a specialized filter-cleaning solution. Submerge the filter in this soapy water and let it soak for 10-15 minutes. This will help break down the accumulated grime.
  3. Gentle Scrubbing: After soaking, use a soft brush, such as a toothbrush or a dedicated filter cleaning brush, to gently scrub both sides of the filter. Pay extra attention to areas with visible residue. Avoid harsh chemicals or abrasive materials, as these can damage the filter.
  4. Rinse Again: Thoroughly rinse the filter under running water to remove any soap residue. Ensure that all particles and soap are entirely washed away. Hold the filter at an angle to allow water to flow out rather than pushing debris further into the filter.
  5. Air Dry: After cleaning, shake off excess water and let the filter air dry completely. It’s crucial to thoroughly dry it before reinserting it into your extractor fan to prevent mould growth or decreased performance.
  6. Optional: Apply Filter Spray: Some filter maintenance kits include filter sprays that enhance filter performance and longevity. These sprays create a protective layer on the filter to capture more particles. If you have such a spray, follow the manufacturer’s instructions to apply it to the clean, dry filter.

By following these steps for cleaning the filter, you’ll ensure that your bathroom extractor fan operates at its best, efficiently removing moisture and odours and helping to maintain a healthier and more pleasant bathroom environment. Regular cleaning will also extend the lifespan of your filter and reduce the need for frequent replacements.

Reinstalling the Filter

  1. Proper Alignment: Carefully position the clean and dry filter back into its designated housing. Ensure it aligns correctly with any notches or guides designed to hold it securely in place. Take your time during this step to avoid accidental damage to the filter or the fan.
  2.  Locking Mechanism: Depending on your extractor fan model, a locking mechanism may secure the filter in position. If so, engage this mechanism according to the manufacturer’s instructions. This often involves snapping or twisting the filter into place.
  3. Double-Check Sealing: Ensure the filter is tightly sealed within the housing to prevent air from bypassing it. An improperly sealed filter can reduce the fan’s efficiency.
  4. Reattach the Cover: Reattach the cover or grille over the filter. Ensure that it aligns correctly with the fan housing. Fasten it securely by snapping it back into place or using screws if applicable. Be cautious not to overtighten screws, which can damage the cover or the fan housing.
  5. Final Inspection: Before restoring power to your extractor fan, give the filter and housing one last visual inspection. Verify that everything is aligned correctly and secure. This step ensures that your fan will operate efficiently and safely.

Turn the Power On

With your freshly cleaned filter securely reinstalled, it’s time to bring your bathroom extractor fan back to life. Flip the switch, restore the circuit breaker, or plug it back in. As the power surges back into your fan, you’ll feel the immediate impact – fresher air, efficient moisture removal, and a bathroom ready to be enjoyed to its fullest. This simple step completes the process, ensuring your extractor fan operates at peak performance, enhancing comfort and maintaining a healthier indoor environment. Say hello to a revitalised bathroom experience!


In our comprehensive guide on “How to Clean Bathroom Extractor Fan Filter in Minutes,” we’ve unravelled the simple yet essential steps to keep your bathroom environment fresh and comfortable. We started with “Cleaning the Filter,” emphasizing thorough rinsing, gentle scrubbing, and proper drying to maintain peak performance. Then, we explored “Reinstalling the Filter,” focusing on alignment, securing mechanisms, and ensuring a tight seal. Finally, we concluded with “Turn the Power On,” highlighting the moment of transformation as your clean filter revitalises your bathroom’s air quality. Regularly following these steps will ensure that your extractor fan efficiently eliminates moisture, odours, and impurities, creating a healthier and more inviting bathroom space.


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