Air Purifier in Classrooms - Is it A Good Idea? - The Elegant Bar

August 27, 2020 5 min read

Studies show that air quality affects children's concentration and academic performance. School classrooms must be conducive for learning to unleash the students' full potential.

I have always loved teaching. Back in the day, I used to teach Korean students how to speak English. It is a challenging job but extremely rewarding if you have the passion for it. Every teacher has the responsibility to educate and be a good role model for students. Not only does the duty involve preparing lesson plans, grading tests, and homework but also to motivate and inspire.

Teachers are also accountable for keeping students safe. The Latin term In Loco Parentis which means "in place of a parent" delves into the legal responsibility of a teacher in performing some responsibilities of a parent. That is why teachers must understand the impact of indoor air quality to the learning and wellness of students.

In this post, we will tackle the reasons why teachers and parents should consider an air purification system to address air quality concerns. We will also talk about the benefits of choosing the best air purifier for school classrooms.

Air purifiers get rid of allergens that trigger asthma

Austin Air Healthmate Medical Grade HEPA Filter Air PurifierOld school buildings emit harmful particles from paints, tiles, mold, or certain areas that have not been cleaned for years. Poor ventilation is an issue especially in classrooms with very few windows. Classrooms are loaded with contaminants and particulates that children can inhale and cause them to get sick. Air irritants coming from old furniture, carpeting, and even pet dander from classroom pets are dangerous to children who have allergies or asthma.

According to the Centers for Disease Control and Prevention (CDC), asthma is the leading chronic disease in children and approximately 6.2 million children under the age of 18 suffer from it.

Air purifiers are designed to remove indoor air pollution by pulling air from the classroom and passing it through a series of filters. These filters effectively trap harmful air particles, such as dust, pollen, pet hair, mold spores, and bacteria. After a comprehensive air filtration process, the air purifier circulates clean and breathable air back into the classroom.

Make sure to get the Best Air Purifier and Air Cleaner with a High-Efficiency Particulate Air (HEPA) filter. HEPA air purifiers are considered the best option for those with asthma because they can capture particles 0.3 microns in size and cleans 99.7% of allergens that pass through it. There are also improved HEPA filters that can trap ultrafine particles as small as 0.1 microns.

To learn more about how air purifiers work and the difference between an air purifier and smoke eater, check out – Does an Air Purifier Remove Smoke and Odor?

Air purifiers help lessen viral transmissions

The presence of air particulates like pollen, mold, dander, and dust can make someone sneeze. Sneezing is a good way for airborne viruses to spread and infect others. By filtering out bacteria and viruses in the air, an air purifier with a HEPA filter is exceptionally useful in a crowded classroom to reduce the spread of colds and flu.

Here are the features to look out for when choosing the best air purifier for classrooms:

  • True HEPA filter – Regarded as the gold standard in air cleaning. It is used by hospitals and scientific labs to remove impurities in the air. A HEPA air purifier effectively draws in and traps ultrafine virus particles, decreasing the likelihood of students from getting sick and being absent.
  • CADR rating – Proper airflow is the key to reducing viral infections. Aside from HEPA filters, it is also important to choose an air purifier with sufficient airflow capacity. CADR or Clean Air Delivery Rate refers to how fast and effective an air purifier is at cleaning a room. An air purifier with a high CADR rating means that it is equipped with a powerful fan and motor that distributes enough clean air to cover a large classroom.
  • Coverage area – Measure the classroom to get the square footage by simply multiplying the length by the width in feet. Get an air purifier with a large coverage area if you want to use it in a big classroom. A small coverage air purifier will not be effective in a large classroom because it will have a hard time filtering out the pollutants.

Air purifiers require little maintenance

Crowded classrooms can be a handful and teachers must always keep everyone busy to avoid distractions. The best air filtration systems require less upkeep and come with long-lasting filters, so teachers can focus more on their lessons instead of worrying about the classroom air purifier.

Depending on the quality and efficiency, modern air purifier filters can last for many years before needing a replacement. Others are even washable and reusable helping you save on costly filter replacements. This feature is incredibly useful especially when you are on a tight budget.

Besides, air purifiers do not consume a great deal of electricity. You can leave an air purifier on all the time, here are the 5 Reasons Why You Should Run an Air Purifier 24/7.


Good indoor air quality in the classroom has a huge effect on the learning process of students. Clean and fresh air offers many health benefits and goes a long way in improving the physical and mental health of both children and adults. If a child is well at home but gets sick at school, then it must be a classroom environment issue and should be addressed immediately by teachers and parents.

Choosing the best air purifier for school classrooms provides a safe environment for students and staff. Invest in a HEPA air purifier with a high CADR rating and see the improvements in both indoor air quality and the children’s overall academic performance.

Having an air purifier inside the classroom is a great idea! Here are some of the highly recommended classroom air purifiers to choose from.

Air Purifier

Austin Air Healthmate Medical Grade HEPA Filter Air Purifier
Austin Air HealthMate

Austin Air Healthmate Plus High Contamination HEPA Air Purifier
Austin Air HealthMate Plus

Rabbit Air MinusA2 Peanuts Edition Asthma & Allergy Friendly Air Purifier
Rabbit Air MinusA2 Peanuts Edition


  • Individuals with slight sensitivities to airborne particles, chemicals, and gases
  • Protection from everyday indoor air pollutants
    • Individuals suffering from Multiple Chemical Sensitivity (MCS)
    • Individuals in high particle and gas contaminated areas
      • Individuals with asthma and allergy
      • Fits rooms with limited space
      • Decorative and fun design
      Coverage Area

        1,500 sq. ft.

        1,500 sq. ft.

        700 sq. ft.


        75 to 400 CFM

        75 to 400 CFM

        47 to 187 CFM

        Noise Level

        39.8 to 64.5 dBA

        39.8 to 64.5 dBA

        20.8 to 45.6 dBA

        True Medical Grade HEPA Filter

        • Removes 99.97% of all particles larger than 0.3 microns 
        • Removes 95% of all particles 0.1 microns in size
          • Removes 99.97% of all particles larger than 0.3 microns 
          • Removes 95% of all particles 0.1 microns in size
            • Removes 99.97% of all particles larger than 0.3 microns
            • Removes 99% of all particles 0.1 microns in size

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              Jephonie Villegas
              Jephonie Villegas

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