HEPA Air Purifier for Classroom: Create the Safest School for Students


Air quality in classrooms is crucial to the health and safety of teachers and students who spends nearly eight hours in the classroom every day. A classroom usually holds 20 people, which is a perfect environment for the spread of viruses and bacteria.

Poor indoor air quality can lead to mental health issues, such as cough, sneezing, runny nose and other respiratory problems. Students are more sensitive to airborne diseases. In this case, their attention and expression will be affected and they will not be able to devote themselves to learning.

That's why you should get an air purifier for classrooms.

The air purifier is the simplest and most reliable method to improve air quality in classrooms. Air purifiers use a filtration system to effectively remove air pollutants, such as mold, bacteria, dust mites, pollen, harmful chemicals and other allergens.

What we are here to answer:

1. Which Air Purifier for Classroom

2. Top Air Purifier Picks for Classroom

3. Placement of Air Purifiers in School

4. Do Air PurifiersWork for COVID

1. What Type of Air Purifiers Is Best for Classroom

When choosing air purifiers for the classroom, here are factors you need to consider: filters, noise level and CADR.

The type of air purifiers is related to the purification efficiency and safety. You should pick HEPA air purifiers, and avoid air purifiers producing ozone such as ozone generators, UV air purifiers and ionizers.

The HEPA filtration is the most effective technology to purify the air without additional health risks for students or teachers when operating in school classrooms.

Students need to study in a quiet environment, so the noise level of the air purifier should also be taken into account. Choosing an air purifier with adorable noise at the highest speed won't disturb the class time.

Another thing to consider is the CADR of air purifiers. CADR indicates the volume of filtered air an air purifier delivers per hour. It shows how quickly an air purifier is able to remove dust, pollen, viruses, and bacterial in classrooms. You should pick an air purifier with CADR meeting the area of the classroom.

2. Top Air Purifier Picks for Classroom

Pick 1: Purivortex 201B: Best Portable Air Purifier for Classroom Desk

201B is a small and portable air purifier. It is a perfect individual air purifier choice for colleges, apartments, dorms and universities.

It has a three-stage filtration system, which can capture all types of pollutants in the school. The pre-filter can catch chalk dust, hair, lint and other large particles. The True HEPA filter can remove 99.97% of the pollutants in the air, down to 0.3 microns. The activated carbon filter can absorb odor and toxic gases, providing a comfortable learning environment for students.

The low noise between 20-40 dB is another powerful feature of this small air purifier. It can run quietly without interfering with students' learning or teachers' teaching.

Besides, an upgraded bracket design is convenient for you to carry anywhere. this desktop air purifier can be placed on the classroom desk, dormitory and office to provide you with clean air anytime and anywhere.

It can also be a night light by offering a cozier light. Put it beside your bed. You can read and sleep with it. Warm orange lights can also help you sleep better.

In a word, Purivortex 201B is a mini but powerful air purifier for classroom use with its overall functions.

Pick 2: Purivortex AC400: Best HEPA Air Purifier for School

This air purifier is the best HEPA air purifier for college use. It is ideal for middle-size classrooms, libraries, study rooms, gym rooms, science labs and more up to 880 ft2.

AC400 uses 100% mechanical filtration to clean school air. The powerful H13 filter captures all types of air particles, such as dust mites, mold, pollen, and chalk dust. As long as AC400 keeps running, any pollutants entering the classroom will be removed by it.

The most incredible feature of this air purifier is that it only grnerates a noise level of 19.9 dB (just like your breathing), with no disturbance to teachers and students in class.

It is a compact ornament to be placed on the desk in the classroom, without taking up too much space.

In short, AC400 is a compact and portable HEPA air purifier for schools that focuses on both purification performance and features.

Pick 3: Purivortex V3: Best Performance Air Purifier for Large Classroom

Purivortex V3 includes a washable pre-filter, a H13 true HEPA filter, an activated carbon filter and a cold catalyst filter to improve the air quality in classrooms. It is completely filtered by machinery and will not produce harmful ozone.

It is specially designed for large classrooms and dorms up to 430 ft2. It is an energy-saving and smart air purifier. There are 3 fan speeds and an auto mode. When auto mode is selected, this smart air purifier

A good air purifier can reduce the number of viruses in the air and the probability that students will be infected with viruses. Purivortex V3 refreshes the air 2X an hour in a 430 ft2 classroom or dorm, effectively removing all airborne particles, smells and odors.

According to the official test, the noise level of this air purifier is very low. When running in sleep mode, the decibel is only 23dB (whispering noise). You could still use in quiet libraries, study rooms and dorms when sleeping.

In a nutshell, the smart air purifier V3 is a powerful air cleaning machine to protect students and teachers from unhealthy and polluted air in schools.

3. Placement of Air Purifiers in School

After you invest in an air purifier, the next thing to consider is the placement of the air purifier. Check following suggestions to maximize the efficiency of air purification of the equipment:

The air purifier draws in air from all directions, so you should place the air purifier as close to the center of the classroom as possible, which will maximize the amount of air passing through the HEPA filter. This ensures that everyone in the classroom can breathe clean air.

Don't place it in a corner. It can't work effectively without proper airflow. The airflow in the corner is the lowest. The air purifier may work, but it can't purify the air in the whole classroom.

You need to put the air purifier in an open place of the classroom, make sure there are no obstacles around it, and keep it at least three feet away from other objects.

Keep the air purifier away from multimedia devices because they may be affected by radiation.

Do not put other objects on the top of the air purifier, which is not conducive to its release of purified air.

Use the air purifier with open windows to enhance natural ventilation.

Make sure that the equipment is placed in a location where it will not fall onto someone, especially students. You also need to fix the wires to prevent tripping hazards.

Learn more on air purifier placement here.

4. Do Air Purifiers Work for COVID-19?

The truth is that no air purifiers can prevent the COVID-19. The size of COVID-19 is varied from 0.06-0.14 microns, while HEPA air purifiers can only capture particles larger than 0.3 microns.

Air purifiers can help reduce pollutants in the air, including common viruses and bacteria. However, air purifiers alone are not enough to protect you from coronavirus disease.

Using air purifiers may be a way to reduce the risk of contracting COVID-19, along with other measures such as wearing masks, keeping social distance and using hand sanitizers.

It should be noted that although ozone is effective against viruses, ozone generators are not enough to kill coronavirus when the concentration of ozone does not exceed the public health standard.

Moreover, as we have mentioned in the previous article, ozone can cause harm to the human body. It is not recommended to use ozone generators or air purifiers producing ozone in classrooms.

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