Levoit Blog

How to Clean Your Air Purifier

  • 1 min read

Your air purifier works day and night to keep your air clean; return the love by keeping it in top-notch shape. After all, the cleaner the air purifier, the cleaner the air.   

Why? 

If you’re just now realizing it’s been a hot minute since you’ve cleaned your air purifier, don’t worry. We’ve all been there. However, long-term neglect can lead to buildup in filters, which will, in turn, contaminate the filtered air. 

Fortunately, maintaining your air purifier doesn't have to be difficult or time-consuming. With periodic cleaning and filter replacement, you can keep your air purifier looking, working, and feeling its best.  

Let’s walk through the key maintenance tasks that will keep your fresh-air-sidekick pristine. 

Filter Replacements 

Regular filter changes are key to successful air purifier maintenance. Air purifier filters trap dust and other airborne pollutants, so they need to be changed regularly for your air purifier to function properly. The frequency of filter changes depends on the type of filter: 

  • Pre-filters should be gently vacuumed every 1–3 weeks and changed every 1–3 months. 
  • Main filters should be changed every 6–12 months.  
  • Activated carbon filters need replacement every 3–6 months.  

And don’t forget—always use filters designed for your air purifier and follow the manual instructions. 

Cleaning the Exterior 

Dust and debris can build up on your air purifier’s exterior over time. We recommend wiping down the outside of your air purifier every 2–4 weeks using a damp microfiber cloth. 

Wipe down all exterior surfaces, including the top, sides, front, and back. Take care not to get any moisture into openings or vents, and make sure to get into crevices and corners where dust likes to accumulate. 

For stubborn dirt, you can use a brush with soft bristles in addition to the damp cloth. This helps loosen debris so you can wipe it away more easily. Don't use abrasive cleaners or brushes, as they could scratch the surface. 

Disinfecting the Interior 

If you live in a humid environment, mold and bacteria may grow inside your air purifier. Periodically disinfecting the interior will help prevent this. 

  1. Start by unplugging the unit and removing the filters. Take the air purifier outside or to a well-ventilated area. Wear gloves and a face mask to protect yourself while cleaning.  
  2. Make a solution of bleach and water in a 1:1 ratio. 
  3. Dip a clean cloth into the solution, wring out excess liquid, and wipe down all interior surfaces of the air purifier. Pay close attention to corners, crevices, and any wet areas where mold will likely grow. You can also use disinfectant wipes or a cleaner formulated for mold removal. Follow instructions on product labels. 
  4. Scrub any visible mold with a brush and rinse thoroughly. 
  5. Allow all interior surfaces to dry completely before replacing the filters and turning the unit back on. 

Checking Airflow 

It's important to make sure air is properly circulating through the filtration system. There are a few simple ways to check: 

  1. Hold a tissue or piece of lightweight paper up to the air intake. It should be drawn towards the air purifier when the fan is running. 
  2. Hold a tissue or paper near the air coming from the vents when the air purifier is on. You should feel a steady stream of air, and the airflow should be strong enough to cause the tissue to flutter.  

By regularly checking the airflow, you can make sure your air purifier is operating at maximum efficiency to keep your air clean.  

Monitoring the Check Filter Indicator  

Most Levoit air purifiers have a Check Filter Indicator light. It's designed to come on after a certain period, usually between 6 and 12 months. Once the light turns on, your filter has reached the end of its usable lifespan.  

While it may be tempting, don’t ignore the indicator light. If you continue using a dirty filter, the air purifier will become less effective at trapping particles and its airflow may also be restricted, reducing your air purifier's overall performance.  

Refer to your air purifier’s user manual to understand each light on your specific model. 

Deep Clean Annually 

An annual deep clean is a key part of thorough air purifier maintenance. Here are the steps for an intensive yearly cleaning: 

  1. Unplug the unit and move it to an open area where you can easily access all sides. Make sure to have a vacuum ready. 
  2. Use the hose attachment of your vacuum to clean any dust buildup on the interior and around fan intakes. Take extra care around any electronic components. 
  3. Wipe down all interior and exterior surfaces with a microfiber cloth dampened with warm water and mild detergent. Avoid getting moisture in the openings. 
  4. Use a cotton swab dipped in rubbing alcohol to gently clean around controls, outlets, and any small crevices.  
  5. Check that all vents or intakes are clear of blockages like hair or dust buildup. 
  6. Confirm the filter, fan, and protective grates are replaced properly before plugging back in. 
  7. Run on the highest setting for 30–60 minutes to verify full airflow. 

An intensive deep clean each year keeps your air purifier running like new and allows it to operate efficiently. Just be sure to unplug it before cleaning and avoid getting moisture in any electronic components. 

Frequently Asked Questions  

Can I vacuum the filters of my air purifier? 

We recommend you gently vacuum your Levoit filters. Refer to the user manual to learn how to properly clean and replace the filters. 

Should I run my air purifier continuously or only when needed? 

It is recommended to run your air purifier continuously for optimal air purification and to maintain clean air quality. Running the air purifier nonstop ensures consistent filtration and effectively helps remove airborne pollutants, allergens, and odors. However, some air purifiers have adjustable fan speeds or timers that allow you to customize the operation according to your preferences and needs. 

Can air purifiers help with pet allergies? 

Air purifiers can help remove certain airborne pollutants, such as pet dander and hair. However, it's important to note that air purifiers do not eliminate or specifically treat allergies, and other measures may also be necessary. 

  

Important Note  

The information provided here is for informational and educational purposes only and should not be used in medical emergencies or for diagnosing or treating any medical condition. It's crucial to consult a licensed medical professional for diagnosis and treatment. External links are for informational purposes and do not constitute endorsements. No warranty of any kind, either expressed or implied, is made as to the products and/or the accuracy, reliability, timeliness, or correctness of the information provided herein. 

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