How to Clean an Air Purifier: A Step-by-Step Guide

August 25, 2023

Air purifiers play a vital role in maintaining indoor air quality, ensuring that you breathe in clean and fresh air. Over time, however, air purifiers can become less effective if not properly maintained. Regular cleaning is essential to ensure your air purifier functions optimally. In this guide, we'll walk you through the step-by-step process of cleaning your air purifier to help you enjoy healthier air and prolong the lifespan of your device.

Explore a detailed comparison between the Winix C545 and C555 air purifiers -

Understanding the Importance of Cleaning Your Air Purifier

Regular maintenance is essential to uphold the optimal performance of your air purifier, effectively eliminating airborne particles and allergens from the surrounding air. A well-maintained air purifier not only enhances indoor air quality but also contributes to the prolonged durability of the device.

Tools and Materials You'll Need

Gather the following items before you start:

  • Soft, lint-free cloth
  • Mild soap or cleaning solution
  • Water
  • Replacement filters (if necessary)

Safety Precautions Before You Begin

Prioritize safety as a fundamental concern. It is crucial to disconnect your air purifier from its power source before commencing the cleaning process to prevent the risk of electric shock. Furthermore, make certain that you are operating within a space that is adequately ventilated to ensure your well-being during the cleaning procedure.

Step 1: Turn Off and Unplug the Air Purifier

Prior to commencing the cleaning process, it is essential to ensure that the air purifier is switched off and disconnected from its power source. This precautionary measure effectively prevents any inadvertent activation while you undertake the cleaning procedure.

Step 2: Remove the Filters

Gently extract the filters from the air purifier. Various models may feature diverse filter configurations, thus it is advisable to refer to your user manual for proper instructions and guidance. This ensures that you navigate the filter removal process accurately and in line with your specific air purifier model.

Step 3: Preparing a Cleaning Solution

Formulate a cleaning solution by combining a gentle soap with water. Immerse the cloth into the solution and squeeze it out until it becomes slightly damp. This prepared mixture provides an effective and safe means to clean various components of your air purifier.

Step 4: Clean the Exterior

Delicately cleanse the outer surface of the air purifier using the dampened cloth. Exercise care, especially in proximity to control panels and electronic elements. Vigilance in handling these areas during the cleaning process ensures the preservation of the device's functionality and prevents any unintended damage.

Step 5: Clean the Filters

Utilizing the moistened cloth, carefully clean the filters. Should your filters be designed for washing, adhere to the comprehensive cleaning directions provided by the manufacturer. In instances where the filters are not designed for washing, contemplate the option of substituting them with fresh filters to maintain optimal air purification efficiency.

Step 6: Cleaning the Air Intake Grilles

Accumulation of dust and debris can occur on the air intake grilles over time. Thoroughly cleanse these grilles using the damp cloth to guarantee unimpeded airflow. This meticulous cleaning process safeguards the efficient functioning of your air purifier by preventing any hindrances to the air intake system.

Step 7: Reassemble the Air Purifier

After ensuring the filters and components have dried adequately, proceed to reassemble the air purifier, confirming the secure placement of all elements. It is imperative to double-check that every component has been properly reattached to ensure the air purifier functions optimally upon reactivation.

Step 8: Wipe Down the Exterior

Provide the outer surface with an additional mild wiping to eliminate any lingering traces of the cleaning solution. This supplementary wiping action effectively eradicates any residual remnants of the cleaning mixture, leaving the exterior of your air purifier in a pristine condition.

Step 9: Plug In and Test

Reconnect the air purifier to the power source and activate it to confirm its proper operation. Pay close attention for any uncommon sounds or vibrations that may arise during the activation process. This step allows you to verify that your air purifier is operating smoothly and without any irregularities, ensuring its continued effectiveness in purifying the air.

How Often Should You Clean Your Air Purifier?

The recommended cleaning frequency hinges on variables such as usage patterns and the quality of the air being filtered. It is advisable, as a general directive, to target a cleaning routine for your air purifier every 2 to 4 weeks. This timeframe serves as a practical guideline to ensure consistent maintenance and optimal performance, aligning with both your air purifier's specific demands and your indoor environment's conditions.

Troubleshooting: Common Issues and Solutions

  • Problem: Unpleasant odor emitted by the air purifier. Resolution: Inspect the filters and carry out cleaning or replacement procedures if deemed essential.
  • Problem: Excessive noise generated by the air purifier. Resolution: Verify the proper assembly of all components and guarantee the cleanliness of air intake grilles to mitigate the noise issue.


Consistently tending to the cleanliness of your air purifier stands as a fundamental practice in upholding favorable indoor air quality and promoting the enduring performance of the apparatus. Adhering to these uncomplicated procedures not only enhances the purity of the air within your living areas but also contributes to the sustained efficiency and durability of the device itself. By diligently following these steps, you actively contribute to an environment imbued with revitalized, unpolluted air, fostering an atmosphere that is conducive to your well-being and comfort.


I believe in making the impossible possible because there’s no fun in giving up. Travel, design, fashion and current trends in the field of industrial construction are topics that I enjoy writing about.

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