Best Air Purifier for Classroom in 2021 –Commercial Air Purifiers for Schools

IQAir HealthPro Plus – Overall Best Air Purifier for Classrooms in 2021Clean and fresh air in school, study area, and classrooms protects the students from germs and bacteria and increases productivity and performance. The best and easiest way to purify the indoor air is to have the best air purifier for classroom with high-quality air filters.

The classroom air purifiers protect the students and teachers from seasonal allergies and toxic elements in the air like smoke and volatile organic compounds. Moreover, they filter out dust, mold, spores, and other allergens within few minutes of working.

Before buying an air purifier for the classroom, ensure that it has a True HEPA filter and Activated Carbon filter. Some air cleaning machines also have Ionizers and UV-Light Sanitizers, which are also best for killing germs, bacteria, and viruses. But these ionizers and UV-Light sanitizers can be problematic for asthma sufferers.

Therefore, this guide will be really helpful for you in choosing the best air purifier for classroom, office, or school. I provided all specifications, how to use, air filters list, and noise level of every air cleaner in this list. This guide is based on my personal experience, customer reviews, and expert opinion.

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IQAir HealthPro Plus

Comperison Table of Best Classroom Air Purifiers in 2021 

 ModelAir FiltersMax. Noise Level (dB)Power (W)Area (sq.ft.)RatingPrice
IQAir HealthPro Plus – Overall Best Air Purifier for Classrooms in 2021IQAir HealthPro PlusPre Max
Activated Carbon
Pelletized Chemisorption
571351125⭐⭐⭐⭐⭐
Alen BreatheSmart 75i –Allergies Smoke and Odors Removal Best for Open Offices and ClassroomsAlen BreatheSmart 75iHEPAPure
HEPAFresh
Pet Filter
Heavy Odor
25471300⭐⭐⭐⭐⭐
AIRMEGA AP-2015E(G) 400S –Best Smart Air Cleaner with Max2 Air Purification systemAIRMEGA AP-2015E(G) 400SPreFilter
Max2 Filter
52641560⭐⭐⭐⭐
Coway AP-1512HH –Best Affordable Air Purifier for Small to Medium ClassroomsCoway AP-1512HHPre-Filter
True HEPA
Activated Carbon
Ionizer
5474360⭐⭐⭐⭐
Blueair Blue Pure 211+ - Easy to Use Allergens and Odor Eliminator for ClassroomsBlueair Blue Pure 211+Pre Filter
Particle Filter
Activated Carbon
5660540⭐⭐⭐
Medify Air MA-112 V2.0 –Allergies Smoke Odor Eliminator Best High Grade HEPA filter for ClassroomsMedify Air MA-112 V2.0Pre-Filter
True HEPA
Activated Carbon
Ionizer
72922400⭐⭐⭐⭐

1. IQAir HealthPro Plus – Overall Best Air Purifier for Classrooms in 2021

IQAir HealthPro Plus – Overall Best Air Purifier for Classrooms in 2021IQAir HealthPro Plus has a medical-grade HyperHEPA filter that offers complete protection from asthma and allergies. Its 4 stages super air cleaning system can purify 1125 square feet of area in your school. Moreover, it is ultra-quiet (22 decibels noise level at low fan speed), so students will not be disturbed by any sound coming from this machine. IQAir HealthPro Plus does not have any smart sensor, but it offers an advanced timer, fan speed selection, and filter replacement indicator.

 

 

 

Pros
  • Triple-Seal technology
  • EvenFlow Diffuser
  • Sophisticated controls
  • Filter at least 99.5% of All Particles Down to 0.003 Microns
  • Exclusive HyperHEPA Filtration
  • Quiet Operation
  • High Fan Power
  • 5 Years Warranty
Cons
  • No Smart Sensor
Design and Physical Appearance

IQAir HealthPro Plus is 28 inches in height and 16 inches in width. Compared to the other classroom air purifiers in the market, IQAir HealthPro offers a solid stainless steel body. It has a traditional bottom-to-top airflow system and 3D Ultra Seal Technology, so the air cannot escape without purification. The air intake grill is at the bottom, and the 320-degree air outlet grill is on the top. IQAir HealthPro is 35 lbs. in weight, but thanks to the optional 4 wheels, you can easily move it around.

Instructions: How to Use

On the top, you can see a touchpad with 4 different options. The control panel shows the on/off button, fan speed, HyperHEPA filter light, Pre-Max filter light, timer, and menu key. You can set daily timer, weekly timer, fan speed, airflow, language, and filter life monitor from the menu.

Air Purification System

IQAir HealthPro offers a strong defense line of classroom air filters. The Pre-Max filter captures large pollutant particles like dust, human hair, and lint. The granular activated carbon filter eliminates smoke, foul odors, kids’ smell, toxic gases, and VOCs. Moreover, Pelletized Chemisorption filter works with a carbon filter and kills harmful chemicals. The HyperHEPA filter traps tiny pollutant particles like pollen, pet dander, mold, spores, germs, and bacteria.

Area Coverage

IQAir HealthPro air purifier can clean 1125 square feet of area. The air changes per hour rating (ACH) is 5X which means it can clean classrooms or student halls (up to 1125 sq. ft.) every 12 minutes in one hour. The clean air delivery rate (CADR) is 300 cfm in general. This commercial air purifier for schools delivers more air than other air cleaning machines in the market.

Noise Level

IQAir HealthPro is the best ultra-quiet air purifier for large rooms. The minimum noise level at low fan speed is 22 decibels which is like a whisper. If you run this air cleaner at high fan speed, it produces 57 decibels noise level, which is quite impressive.

Power Consumption

The power consumption of IQAir HealthPro is very low at low fan speed (20 watts). The average and maximum power consumption are 70 watts and 135 watts, respectively.

Conclusion: Why IQAir HealthPro is Better from its Competitors

IQAir HealthPro is the perfect choice for large classrooms, meeting halls, and offices. It offers a HyperHEPA filter for killing tiny viruses and an EvenFlow Diffuser for throwing even airflow to every corner. Moreover, it provides a very quiet air cleaning operation with high fan power, which most of its competitors are missing. This price is a litter higher than other air cleaners, but the performance is unmatched.

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2. Alen BreatheSmart 75i –Allergies Smoke and Odors Removal Best for Open Offices and Classrooms

Alen BreatheSmart 75i –Allergies Smoke and Odors Removal Best for Open Offices and ClassroomsAlen BreatheSmart 75i offers excellent performance than many other air cleaners in the same price range. It can clean 1300 square feet of the area every 30 minutes in one hour. Moreover, the minimum noise level is 25 decibels, which is best for working or study areas. Its smart sensor distinguished it from its competitors. The smart sensor automatically deducts the air quality and adjusts the fan speed according to it.

 

 

 

Pros
  • Cleans 1300 Sq. Ft. Every 30 Minutes
  • Large Area Coverage
  • Quiet Operation
  • Excellent Performance
  • Lifetime Warranty
  • Sleek Design With 6 Different Colors
  • Sleep Mode
  • Best for Open Living Space
  • Energy Efficient
  • Allergens and Dust Removal
Cons
  • Expensive

Alen BreatheSmart 75i

Design and Physical Appearance

Alen BreatheSmart 75i has a sleek metal design like its previous models. It is 27 inches in height and 26 inches in width. You can choose your favorite color from 14 color options. This large classroom air purifier has bottom to top airflow system. It does not offer 360-degree airflow but still throws fresh air all over the place. Alen BreatheSmart 75i is 27 lbs. in weight; therefore, it is a bit difficult to move around. I recommend placing it in the center of room or far from the walls for better results.

Instructions: How to Use

On the top, you can see an LED control panel. The control panel offers several valuable options like ionizer off/on button, timer, filter replacement indicator, lock, auto mode button, fan speed settings, and power button.

Air Purification System

As compared to its competitors, Alen BreatheSmart 75i has a unique and effective air cleaning system. The HEPAPure filter traps 99.97 % of small particles (0.3 microns in size) like dust mites, mold, and spores. The HEPAFresh filter combines with an activated carbon filter to remove unwanted odors, food smell, smoke, volatile organic compounds, and toxic gases. The Pet filter uses Alen’s patented molecular conversion powder for killing pet odors and other foul smells. The Heavy Odor filter also absorbs kids’ and teenagers’ smells, garbage smells, and bathroom odors.

Area Coverage

The room coverage of Alen BreatheSmart 75i is 1300 square feet. The air changes per hour rating (ACH) is 2X and 4X. The clean air delivery rate (CADR) 355 Dust/ 350 Smoke/ 400 Pollen (cfm). The CADR is lower than its competitors, but it only tells you how fast your air purifier can clean your room.

Noise Level

The minimum noise level of Alen BreatheSmart 75i is 25 decibels, which is equal to the most silent air purifiers for classrooms in the market. Alen BreatheSmart 75i upgraded its high noise level (49 decibels), which is better than its previous models. Moreover, the pink noise helps you sleep peacefully at night.

Power Consumption

Alen BreatheSmart 75i is energy star-rated like its previous models. It offers 47 watts of power consumption at high fan speed. From my personal experience, Alen BreatheSmart 75i will not let you cost more than 20 dollars in a year.

Conclusion: Why Alen BreatheSmart 75i is better from its Competitors

Alen BreatheSmart 75i is best for removing smoke, bad odors, and chemicals. It offers unique color options that increase the décor of your room or office. It is certified energy-star rated and ultra-quiet. Moreover, the filter life of Alen BreatheSmart 75i is better than its previous models.

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3. AIRMEGA AP-2015E(G) 400S –Best Smart Air Cleaner with Max2 Air Purification system for Schools

AIRMEGA AP-2015E(G) 400S –Best Smart Air Cleaner with Max2 Air Purification systemAIRMEGA AP-2015E (G) 400S provides an innovative air cleaning system with high-quality air filters best for classrooms and offices. This powerful air purifier can clean 1560 square feet of the area every 30 minutes in one hour. Its clean air delivery rate (CADR) is quite impressive. Moreover, it is ultra-quiet (22 decibels) at low fan speed like its competitors. AIRMEGA AP-2015E (G) 400S offers a smart app, Eco Mode, and Smart Sensors for a better user experience.

 

 

 

Pros
  • Excellent Performance
  • Powerful Dual Suction
  • Air Quality Monitoring
  • Smart Technology
  • Filter Indicator
  • Coway IoCare Mobile Application
  • Balance Of Technology And Design
Cons
  • Filter Replacement Cost is High
Design and Physical Appearance

AIRMEGA AP-2015E (G) 400S air purifier is 22 inches in height and 14 inches in width. Its design is almost similar to its previous models, 400 Graphite and 300S WhiteThe feature that makes it different from its predecessors is Wi-Fi connectivity and smart app. The thicker body of AIRMEGA AP-2015E (G) 400S is 27 lbs. in weight and difficult to move anywhere. For large room coverage, this air purifier for classroom offers a 360-degree air intake grill. The air outlet grill is on the top.

Instructions: How to Use

 The control panel is on the top of the air cleaner. You can find a power button with a filter replacement indicator and a Wi-Fi connectivity button. Like its previous model 300S White, you can connect AIRMEGA AP-2015E (G) 400S with a smartphone and operate it from anywhere in your school or office. The Coway AIRMEGA IoCare app is compatible with Amazon Alexa, Dash Replenishment, and Google Home.

Air Purification System

The air cleaning system of AIRMEGA AP-2015E (G) 400S is the same as its previous models. The washable pre-filter is very helpful in capturing large objects like dust, human hair, and lint. The Max2 filter is a combination of a True HEPA filter and an activated carbon filter. This best filter for classroom captures 99.97 % of pollutant particles (0.3 microns in size) like pollen, mold, spores, pet dander, smoke, VOCs, and bad odors.

Large Area Coverage

This classroom air purifier offers 1560 square feet of room coverage. The air changes per hour rating is 2X and 4X. In my opinion, AIRMEGA AP-2015E (G) 400S is suitable for 780 square feet of area. The clean air delivery rate (CADR) is 340 Dust/ 350 Smoke/ 400 Pollen (cfm). The CADR shows how quickly your air purifier can clean the required area.

Noise Level

AIRMEGA AP-2015E (G) 400S is ultra-quiet despite having high fan power. The minimum noise level at low fan speed is 22 decibels. This silent air purifier for classrooms is equally quiet like Rabbit Air MinusA2. The maximum noise level at high fan speed is 52 decibels, which is quite impressive.

Power Consumption

The power consumption of AIRMEGA AP-2015E (G) 400S is 64 watts, which is reasonable with high fan power. Thanks to the Eco Mode, AIRMEGA AP-2015E (G) 400S consumes less power than its competitors.

Conclusion: Why AIRMEGA AP-2015E (G) 400S is Better from its Competitors

AIRMEGA AP-2015E (G) 400S is an intelligent air purifier with dual suction and high fan power. Even though fan power is high but the air cleaning operation is very quiet. Thanks to the Coway AIRMEGA IoCare app, you can control it from anywhere through Wi-Fi connectivity.

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4. Coway AP-1512HH – Affordable Air Purifier for Small to Medium Classrooms

Coway AP-1512HH –Best Affordable Air Purifier for Small to Medium ClassroomsCoway AP-1512HH air purifier offers 360 square feet of area coverage. This inexpensive air purifier can clean your classrooms, offices, and meeting rooms (up to 360 sq. ft.) every 15 minutes in one hour. It has 4 stages of best air filter for the study area, including a high-performance True HEPA filter. Moreover, it is whisper quiet (24 decibels) at low fan speed. This air purifier also offers smart features, Eco Mode, timer, and filter replacement indicator.

 

 

 

Pros
  • 4-stage Filtration
  • Auto Mode
  • Air Quality Indicator
  • Covers up to 361 sq.ft
  • Eco Mode
  • Vital Ion system
  • Timer
  • Filter Replacement Indicator
Cons
  • No Option to Turn Off the Top Light
  • Can be Irritated for Asthma
Design and Physical Appearance

The plastic body of the Coway AP-1512HH air purifier is 18 inches in height and 16 inches in width. I can say without any doubt that Coway AP-1512HH is one of the best-looking air purifiers. The air intake grill is under the front plastic plate. The air outlet grill is on the top of the air purifier for direct throw of fresh air. One thing to keep in mind is that you will receive a unit with a preinstalled filter with plastic covers. To remove the plastic covers before using. Coway AP-1512HH is incredibly lightweight (12 lbs.) and very convenient to move anywhere.

Instructions: How to Use

Coway AP-1512HH has a beautifully designed control panel on the top. The control panel offers you several options like the power button, timer, fan speed settings, ionizer on/off button, filter replacement, and air quality indicators. Coway AP-1512HH is very easy to use. You don’t have to read the user manual for operating this classroom air cleaner.

Air Purification System

Coway AP-1512HH air purifier has 4 stages of the air filter as compared to the other high-end air purifiers for classrooms in the market. The permanent washable pre-filter captures large objects like human hair, fur, and dust. The True HEPA filter traps 99.97 % of tiny pollutants (0.3 microns in size) like pet dander, pollen, mold, spores, mildew, and other allergens.

The activated carbon filter eliminates smoke, wildfire smoke, food smell, bathroom odors, and harmful chemicals. The ionizer emits negative ions and kills germs, bacteria, and viruses. For asthma sufferers, I recommend turning off the ionizer. The air filtration capability of Coway AP-1512HH is almost the same as Honeywell HPA600BBut as compare to Levoit LV-PUR 131 and Alen Paralda, Coway AP-1512HH is a lot better choice.

Area Coverage and Fan Power

The room coverage of Coway AP-1512HH is 360 square feet with 4X ACH, which means this air purifier can clean your classroom, office, or meeting room (up to 360 sq. ft.) every 15 minutes in one hour. The clean air delivery rate (CADR) is 246 Dust/ 233 Smoke/ 240 Pollen (cfm).

Noise Level

The minimum and maximum noise level of Coway AP-1512HH is 24 decibels and 54 decibels, respectively. Coway AP-1512HH is whisper quiet. You will barely hear any sound while it is working.

Power Consumption

Coway AP-1512HH has an excellent Eco Mode for energy efficiency. The minimum power consumption is 4.9 watts which is almost the same as Rabbit Air Minus A2If you run this air cleaning device at high fan speed, the power consumption will be 74 watts. Coway AP-1512HH is not entirely efficient in energy saving but still a better option.

Conclusion: Why Coway AP-1512HH is better from its Competitors

Coway AP-1512HH air purifier offers the best air filters for classrooms at an affordable price. Its True HEPA filter is capable of killing tiny pollutant particles and allergens. As compared to the Honeywell air purifier, Coway AP-1512HH is ultra-quiet and offers inexpensive air filters. Its smart sensors work effectively and sense the slightest change in the air.

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5. Blueair Blue Pure 211+ – Easy to Use Allergens and Odor Eliminator for Classrooms

Blueair Blue Pure 211+ - Easy to Use Allergens and Odor Eliminator for ClassroomsBlueair Blue Pure 211+ is the best odor killer and allergens removal in 2021. It can clean 540 square feet of the area every 12 minutes in one hour. Blueair Blue Pure 211+ is very quiet with the high fan power at low fan speed (31 decibels), as the noise level of a library. It does not have smart sensors like its previous model, but the air-purifying capability is up to the mark.

 

 

 

Pros
  • AHAM Certified
  • Energy Star Certified
  • Swedish Filter Technology
  • Captures 99% of Airborne Pollutants
  • Reduces Gases, VOCs, and Annoying odors
  • Quiet Operation
  • Value for the Money
  • Easy to Use
  • Lightweight
  • Portable
Cons
  • No Smart Features
Design and Physical Appearance

Blueair Blue Pure 211+ is 20 inches in height and 13 inches in width. The multi-color pre-filter covers the air purifier from back to front. For better fan power, the manufacturer introduced a 360-degree air intake grill. The air outlet grill is on the top for better airflow. Blueair Blue Pure 211+ is just 12.5 lbs. in weight and very easy to move anywhere in your school, college, or university.

Instructions: How to Use

Blueair Blue Pure 211+ is very easy to use. There is no fancy and complicated control panel. All you have to do is plug the air purifier and push the button. Blueair Blue Pure 211+ offers a straightforward setup for a better user experience.

Air Purification System

Blueair Blue Pure 211+ uses 3 stages of air filters for cleaning dust, mold, and allergens from the air. The washable pre-filter captures dust, human hair, pet hair, and lint. This filter is best for dust and indoor air issues. The Particle filter uses polypropylene fibers for killing 99 % of germs, bacteria, pet dander, dust mites, and mold. The activated carbon filter absorbs smoke, odors, VOCs, toxic gases like ammonia and formaldehyde, and wicked stink in the classroom. The air purification system of Blueair Blue Pure 211+ performs the same as Honeywell HPA 300 and Coway AP-1512HH.

Area Coverage and Fan Power

The area coverage of this best air purifier for classroom is 540 square feet. The air changes per hour rating (ACH) is 5X which is quite impressive. The CADR is Dust/ 350 Smoke/ 350 Pollen (cfm). The fan power of Blueair Blue Pure 211+ is better than Honeywell HPA300

Noise Level

Blueair Blue Pure 211+ uses HEPASilent technology like all of its previous models for reducing noise levels. Even with the high fan power, this air cleaning machine produces less noise. The minimum noise level at low fan speed is 31 decibels. If you run Blueair Blue Pure 211+ at high fan speed, it produces 56 decibels noise level. If you need an ultra-quiet air purifier, you can check Levoit LV-H133, but the fan power of Levoit LC-H133 is relatively low.

Power Consumption

The minimum and maximum power consumption of Blueair Blue Pure 211+ is 30 watts and 60 watts. On the other hand, BlueAir Sense+ offers very low energy consumption, but the area coverage is also small (360 square feet), and the filtration system is less powerful as compare to Blueair Blue Pure 211+.

Conclusion: Why Blueair Blue Pure 211+ is Better from its Competitors

Blueair Blue Pure 211+ is the perfect solution for dusty rooms. It is a lot quieter than Honeywell air purifiers on its low settings. You can easily study or do office work in your room in the presence of this air purifier. If you are searching for a smart air cleaning device, then Blueair Blue Pure 211+ is not for you.

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6. Medify Air MA-112 V2.0 –Allergies Smoke Odor Eliminator Best High Grade HEPA filter for Classrooms

Medify Air MA-112 V2.0 –Allergies Smoke Odor Eliminator Best High Grade HEPA filter for ClassroomsMedify Air MA-112 V2.0 air purifier offers incredible air cleaning power with medical-grade True HEPA filter and dual intake filters. This highest CADR-rated air purifier can clean 2400 square feet of the area every 30 minutes in one hour. Moreover, it provides some additional features like an air quality sensor, filter replacement indicator, sleep mode, timer, child lock, and fan speed settings.

 

 

 

Pros
  • High Clean Air Delivery Rate
  • Easy to Use Control Panel
  • CARB Certified
  • Easy Filter Replacement
  • Best HEPA Filter for the Whole House
  • Child Safety Lock
  • Sleep Mode
  • Smart Sensor
  • Lifetime Warranty
Cons
  • High Power Consumption
  • Noisy at High Fan Speed
Design and Physical Appearance

Medify Air MA-112 V2.0 air purifier is 28 inches in height and 15.7 inches in width. It has bottom to top airflow system with a 360-degree air intake grill like its previous models. The air outlet grill is on the top for throwing fresh air to every corner of the room. Medify Air MA-112 V2.0 is 33.5 lbs. in weight, but thanks to the handles on the sides, you can easily move it around.

Instructions: How to Use

For operating Medify Air MA-112 V2.0, the LED control panel is available on the top with an air outlet grill. There is a power button with 4 fan speed settings, Timer, auto mode, and ionizer on/off button. Moreover, there is also a child lock option for little kids and pets.

Air Purification System

This large classroom air purifier has 4 air filters for killing germs and bacteria. The pre-filter captures dust, lint, human hair and protects the inner filters. The medical-grade True HEPA filter traps 99.97 % of tiny airborne particles (0.3 microns in size) like pollen, pet dander, mold, spores, mildew, and viruses. The activated carbon filter absorbs smoke, bad odors, food smell, bathroom odors, harmful gases, and VOCs. The ionizer kills germs, bacteria, and viruses. You can turn it off if you have asthma or other breathing issues. If you need an air purifier with stronger air filters for classrooms, you can check Austin Air HealthMate Plus and Airpura V600.

Area Coverage and Fan Power

Medify Air MA-112 V2.0 is best for very large areas. It can clean up to 2400 square feet. The air changes per hour rating (ACH) is 2X and 4X. The clean air delivery rate (CADR) is 400 Dust/ 450 Smoke/ 450 Pollen (cfm), the highest among its competitors and previous models. As compare to BlueAir and Airmega 400, this air cleaning machine is far better and powerful.

Noise Level

Because of the high fan power, Medify Air MA-112 V2.0 produces a high noise level. The highest noise level at high fan settings is 72 decibels. I recommend using Medify Air MA-112 V2.0 at low fan speed.

Power Consumption

To achieve fan speed to clean maximum area, Medify Air MA-112 V2.0 uses high power. The rated power consumption of this classroom air purifier is 92 watts.

Conclusion: Why Medify Air MA-112 V2.0 is Better from its Competitors

Medify Air MA-112 V2.0 has one of the best air filters for classrooms, meeting halls, and offices. The CADR rating (air cleaning power) is the highest among its competitors, like Airmega 400 and BlueAir. After running air cleaner, you will notice less dust on your furniture.

Related Post: Best Air Purifier for Mold

Best Air Purifier for Classroom in 2021 –Commercial Air Purifiers for Schools

About Maria A. Davis

Hi, I am Maria A. Davis and I am a loving mother and a dedicated reviewer for Homeheavenz.com. I tried and tested a number of air purifiers and humidifiers on the market to improve indoor air quality. I created this guide from my knowledge and personal experience so you can improve the air quality in your home and office.

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