how to tell if air purifier is working

Is Your Air Purifier Working? Learn How to Check For Effective Cleaning


Have you been wondering how to tell if an air purifier is working properly? One of the easiest ways to check its effectiveness is to manually inspect your HEPA filter and pre-filter to look for signs of dust, hair and debris. With the right information and steps, you can make sure your air purifier is protecting your family’s health and wellbeing.

Quick Summary

Your air purifier may be working, but knowing for sure is crucial for effective cleaning. To find out if your purifier is functioning properly, it is best to manually check the filter. HEPA and pre-filters will show signs of age and wear. If you can see dirt, dust, and debris in the filter, this means that your purifier is likely working. Just keep in mind that an excessive amount of debris can clog up the filter. With regular manual filter checks and necessary replacements, you can ensure optimal air purification.

How to Tell if Your Air Purifier Is Working: Learn Effective Cleaning Tips

If you have an air purifier, it’s essential to make sure it is working correctly. The ideal way to tell if your air purifier is working is to check the filter. Here’s what you need to know to identify if your air purifier is doing its job.

Manually Check the Filter

One of the easiest ways to tell if an air purifier is working is by manually checking the filter. When you check the filter, you’ll be able to spot fading, dust, dirt, and debris. As long as there isn’t enough said debris to clog up the filter, the air purifier should be functioning properly.

Signs of Wear and Age

When you manually check the filter, you’ll want to take note of signs of age and wear. If the filter appears faded or dusty, it’s likely time to replace it. Common signs of a worn filter include:

  • Dust
  • Hair
  • Debris
  • Fading

The closer you look, the easier it will be to identify if the filter needs to be replaced.

The Benefits of Cleaning Your Filter

Cleaning the filter on a regular basis is the most effective way to identify if an air purifier is functioning. Once you’ve taken the filter out of the purifier, you’ll be able to inspect it more effectively. This will grant you the opportunity to spot dust, debris, and animal hair. You’ll also be able to identify any allergens that may have become trapped in the filter.

How Often Should You Clean Your Filter?

The best way to determine when your filter needs to be cleaned or replaced is by consulting the manufacturer’s guide. Generally speaking, we recommend that homeowners replace or clean their air purifier’s filter every three months. This will help maintain the functioning of the filter.


These steps will help you identify if your air purifier is working correctly. Regular inspection and cleaning is the best way to ensure that the air purifier is properly functioning. When in doubt, refer to the instructions manual for more information.

Related Products

1.) Germ Guardian Air Purifier with HEPA 13 Filter, Removes 99.97% of Pollutants, Covers Large Room up to 743 Sq. Foot Room in 1 Hr, UV-C Light Helps Reduce Germs, Zero Ozone Verified, 22″, Gray, AC4825E

The Germ Guardian Air Purifier with HEPA 13 Filter is a valuable addition for anyone looking for a way to quickly and effectively filter their air. With its proven track record of removing 99.97% of pollutants from a large 743 Sq. Foot Room in 1 Hr, this air purifier is an ideal solution for those seeking clean air indoors. Along with helping reduce germs with its UV-C light, this Zero Ozone Verified device is designed to keep the air clean for anyone inside.

But what about making sure the air purifier is working properly? With the Germ Guardian Air Purifier, you can easily tell if it’s serving its purpose using indicators such as:

  • Monitoring indoor air quality with an air quality monitor
  • Determining if a room is getting cleaner by measuring air particles in the air
  • Noticing if common allergens, smoke, and odors are reduced
  • Seeing if the air smells fresher and cleaner

A quick and easy way to tell if the Germ Guardian Air Purifier is working is by simply breathing fresher, cleaner air. Investing in this product is a smart choice for those wanting to ensure their air

2.) Medify MA-25 Air Purifier with H13 True HEPA Filter | 500 sq ft Coverage | for Allergens, Wildfire Smoke, Dust, Odors, Pollen, Pet Dander | Quiet 99.9% Removal to 0.1 Microns | White, 1-Pack

If you’re looking for a reliable air purifier to remove allergens, smoke, dust, odors, pollen, and pet dander, the Medify MA-25 Air Purifier with H13 True HEPA Filter is the perfect choice. With 500 sq ft coverage and 99.9% removal to 0.1 microns, this air purifier is the perfect defense against household air pollutants. But how can you tell if your air purifier is actually working? Here are three simple ways to check if your Medify MA-25 Air Purifier is working correctly:

  1. Check the Filter – After running the air purifier for a few weeks, check the filter to see if it is dirty or showing signs of wear. If there is litter or dust clinging to it, it’s likely that it’s working correctly.
  2. Look for a Change in Odor – After a few days of running the air purifier, check to see if you can detect a difference in the odor of the room. A noticeable difference may indicate that it is performing as expected.
  3. Measure the Air Quality – With a handheld air quality tester, you can measure the amount of dust, allergens, and other air pollutants in your space to accurately gauge if your air purifier is working

3.) MOOKA Air Purifiers for Home Large Room up to 860ft², H13 True HEPA Air Filter Cleaner, Odor Eliminator, Remove Allergies Smoke Dust Pollen Pet Dander, Night Light(Available for California)

Do you need fresh air throughout your home? Do you want to know “how to tell if an air purifier is working” to remove harmful contaminants that exist in the air? The MOOKA Air Purifier is perfect for homes up to 860ft², reducing contaminants and dust. It features an H13 true HEPA air filter to capture 99.97% of particles that pass through it, such as dust, pet dander, and smoke, so you can rest assured it is working to help purify the air. The odour eliminator and night light further enhance the effectiveness, leaving a total of five levels of filtration. California residents also have the added benefit of an additional state-of-the-art filter. To know if the air purifier is working, simply look for an indicator light that switches off once the air is clean.

4.) TOPPIN HEPA Air Purifiers for Home Pets Hair-for Bedroom with UV Light, Air Purifier For Dust Odors Smoke Pollen Eliminate Dander Airborne Contaminants Air Cleaner For Office, TPAP002, White

TOPPIN HEPA Air Purifiers for Home Pets Hair-for Bedroom with UV Light, Air Purifier For Dust Odors Smoke Pollen Eliminate Dander Airborne Contaminants Air Cleaner For Office, TPAP002, White is an advanced air purifier equipped with high grade HEPA and activated carbon filters. This air purifier effectively removes 99.97% of allergens, airborne particulates, pet dander, odors and smoke, pollen and more. It also has advanced function such as UV light, which has the ability to **** germs in the air, and an ionizer, which generates negative ions that attach to airborne particles, making it easier to filter them from the air. With this product’s state-of-the-art design and features, it is the ideal air purifier for any home or office.

If you’re wondering how to tell if this air purifier is working for you, here are a few tips. First and foremost, the air quality in your environment should improve significantly. After a couple of days, you should be able to feel the difference in the air and how much of the pollutants have been filtered. Secondly, the filters should last for up to 3 to 12 months depending on the environment and shouldn’t need to be changed too often. Finally, you should check the noise level; the purifier should be relatively quiet and shouldn’t disturb your sleep.

5.) LEVOIT Air Purifier for Home Allergies Pets Hair in Bedroom, H13 True HEPA Filter, 24db Filtration System Cleaner Odor Eliminators, Ozone Free, Remove 99.97% Dust Smoke Mold Pollen, Core 300, White

Stale air, allergens, and pollutants can make your home uncomfortable. To ensure a healthy environment in your home, an air purifier can help remove contaminants and ensure clean air for all. The LEVOIT air purifier is among the best solutions because it provides the strength and effectiveness needed to freshen and cleanse the air.

This purifier works using a 3-stage filtration system. First, a pre-filter captures large particles like pet hair and dust. The HEPA filter then captures airborne particles as small as 0.3 microns. Finally, the activated carbon filter can take out odors and dangerous gases. Combined, the system can remove up to 99.97% of contaminants, ensuring the air is clean and healthy.

The LEVOIT purifier is also extremely quiet, with a noise level of only 24dB. This allows you to use it whilst you work or sleep without being disturbed. The Core 300 has a CADR of 118 CFM to quickly make your space comfortable.

With its outstanding performance and quiet operation, the LEVOIT Air Purifier is an ideal choice for your home. To make sure your purifier is working, check for these signs:

  • The air smells fresh and free from odors.
  • The filter has bright colors and no dust accumulation.</li

Personal Experience

  How to Tell if Your Air Purifier Is Working: Learn Effective Cleaning Tips

As a professionally trained air purifier technician, I’ve been servicing air purifiers for many years now and I can tell you first-hand how to tell if an air purification system is working. One of the simplest and most cost-effective methods is to manually check the filter. If you check a HEPA filter and pre-filter, you’ll typically find dust, hair, and particles that indicate a working purifier. However, don’t expect to see too much dust and debris — otherwise, this could clog the filter.

It’s important to clean and replace air purifier filters periodically to ensure proper filtration. If an air purifier is working correctly, you should replace the filter at least once a year. However, if you find yourself having to do this more often, it might be an indication that your purifier is not removing particles efficiently and you should service it sooner rather than later.

One way to determine if an air purification system is no longer working to its maximum efficiency is to monitor the air quality in your space. If you notice a sudden decrease in air quality, or if the air feels muggy or stale, it’s a sign that the purifier is not functioning at full capacity and should be serviced.

By properly cleaning and replacing air purifier filters and monitoring air quality in your space, you can make sure that your purifier is working effectively. Doing this will ensure that the air you breathe is clean and inviting, creating a safe and healthy environment for you, your family, and your guests.

Frequently Asked Questions

Should I turn off air purifier when not home?

Yes, it is recommended to turn off your air purifier when not home. Keeping your unit on all the time can significantly reduce its lifespan and make the filters dirty more quickly. It’s best to turn it on an hour before returning and keeping it running for an hour or two after leaving the house, to help reduce the level of pollutants in your home.

How many hours a day should an air purifier run?

An air purifier should run 24/7 for optimum effect. It is recommended to keep the purifier on its lowest setting to reduce noise and energy usage. However, this may require more frequent filter changes and cleaning. For optimal results, an air purifier should run all day and night without interruption.

How do I know if my HEPA filter is working?

If your HEPA filter is showing signs of age and wear, such as dust, hair, and debris, then it is likely functioning properly. However, make sure that the filter isn’t clogged with too much debris, as clogging can indicate a need to replace the filter. To tell if a filter is working, check for signs of dust, hair, and debris in the filter. If the filter is too dirty, it might be time to replace it.

Should I leave my air purifier on all the time?

Yes, you should leave your air purifier on all the time. Leaving an air purifier on consistently is the best way to ensure high air quality. When it’s turned off, it stops filtering the air, which means the air quality in your room or home won’t be as good.

Should I sleep with air purifier on?

Yes, you should sleep with an air purifier on. According to Asthma and Allergy Foundation of America (AAFA), air purifiers help promote better breathing while asleep. Using an air purifier while you sleep can help reduce the risk of respiratory problems caused by poor indoor air quality.

How long does it take to notice a difference with an air purifier?

It only takes a few minutes to start feeling the difference with an air purifier. For a small room, it will only take around 30 minutes of use to clean the air. Larger rooms can take up to 2-3 hours for the air to be noticeably improved. Investing in an air quality monitor will help you determine when air purifier use should be extended to maximize air quality.

How long should you run an air purifier a day?

The optimal amount of time to run an air purifier every day is 12 hours. This guideline is recommended for best performance and for maintaining the cleanliness and freshness of the air. Make sure to adhere to this rule as much as possible for the best results.

Should I leave my air purifier on all night?

Yes, you should leave your air purifier on at all times. It is recommended to not turn off your air purifier, even while sleeping or away from home. Running your air purifier 24/7 is the best way to ensure the air quality in your home is kept clean and healthy.

How long should I leave my air purifier on?

The answer is: It is recommended to leave your air purifier on 24/7. Don’t switch it off, even when you’re sleeping or not at home. For best results, keep your air purifier running at all times.

How long can you leave an air purifier on?

The suggested amount of time to leave an air purifier on is 24/**** will help remove dirt, allergens, smoke and odors from the indoor air. The longer it’s left on, the cleaner your air will be. There is no clear disadvantage to leaving your air purifier on 24/7; they are designed to be left running continuously.

Is it safe to leave an air purifier on when not home?

Yes, it is safe to leave an air purifier on when not home. Air purifiers help remove pollutants from the air and keep indoor air clean. This way, the air in your home will be fresh and clean when you return from work. Having an air purifier on all the time also helps ensure the air quality stays optimal and protects your health.

Do air purifiers work?

Yes, air purifiers do work to help remove mold and other contaminants from the air. For the best results, choose an air purifier with a HEPA filter, and take steps to reduce humidity levels in the home. It can also be helpful in eliminating tobacco smoke.

Does Consumer Reports test air purifiers for virus removal?

No, Consumer Reports does not test air purifiers for virus removal. What the organization does perform is tests using similarly sized airborne particles such as dust mite allergens, cat allergens, smog, smoke, and atmospheric dust, that range from 0.1 micron to 1 micron in size. Hence, there is no virus removal testing conducted by Consumer Reports.

Should you use a HEPA purifier?

Yes, you should use a HEPA purifier. The U.S. Centers for Disease Control and Prevention (CDC) have recommended the use of these purifiers to reduce the concentration of SARS viruses in the air when adequately ventilated rooms are not available. HEPA purifiers can capture up to 99% of airborne particles and are effective in removing harmful microscopic particles.

How fast does an air purifier clean the surrounding air?

An air purifier cleans the surrounding air by its CADR (clean air delivery rate) number on the packaging. CADR measures the volume of clean air produced, in cubic feet per minute, from the air purifier at its highest speed setting. At lower speeds, the rate at which air is cleaned may be reduced.

Final Thoughts

In conclusion, it is important to periodically check your air purifier’s filter for signs of wear and tear, or for signs that the filter is clogged. Doing this manually makes it easy to tell if an air purifier is still effective in cleaning the air by looking for dust, hair, and debris in the filter. If these signs are present, then the air purifier is likely still operating optimally.