(Last Updated On: October 7, 2021)

5 Best Air Purifiers to Kill Germs in Your Classroom

With the Threat of Germs that Spread Easily with Kids, Finding an Air Purifier for Your Classroom is Essential

air filter for pet allergies from dogs

By Jaimie Hart

12 min read

During COVID-19, teachers are on the front line when students are in the classroom. You’re already busy multi-tasking when you’re a teacher, and you shouldn’t have to stress about threats to you and your student’s health. Regardless of a pandemic, being around children exposes you to more germs.

Kids have more daily social contacts and are at high risk for catching and spreading infections.

So what are germs and how long do germs live? Germs are tiny organisms that can cause viruses and diseases, and they can live up to a week.

HEPA graph

Top Pick

Alen
BreatheSmart 75i
Air Purifier
$770 Buy Now

Products in this article are independently selected and featured editorially. If you make a purchase using these links we may earn commission.  How We Rate

A HEPA filter in an air purifier can capture large and microscopic particles that cause health concerns, including germs that spread viruses. Adding an air purifier to a central location in your classroom will keep you and your students healthy, encourage more students to focus on learning, and help you be more productive. Enjoy less stress and more health benefits when you find an air purifier that protects the square feet of your classroom and offers quiet and minimal disruptions.

Best
Alen
BreathSmart 75i
Air Purifier

$770 Buy Now
2nd Best
IQAir
Health Pro
Air Purifier

$899 Buy Now
Better
Blueair
Classic 605
Air Purifier

$498 Buy Now
Good
Austin Air
Healthmate Plus
Air Purifier

$715 Buy Now
2nd Good
Coway
AirMega 400
Air Purifier

$550 Buy Now
Best
Alen BreatheSmart 75i Air Purifier $770 Buy Now

Pros

B7 Pure filter
True HEPA filter captures 99.97 percent of airborne particles as small as 0.1 micron
Multiple color options

Cons

Weight
Features and Specs
  • Dimensions: 13 x 20 x 26 inches
  • Weight: 31 pounds
  • Cleans air every 30 minutes
  • True HEPA filter
  • 1,300 square feet room coverage
With five fan speeds, the Alen BreatheSmart 75i cleans large rooms up to 1,300 square feet every 30 minutes. Even better, you and your loved ones will breathe easier and cleaner air as the Alen BreatheSmart 75i comes with both a HEPA Pure filter and True HEPA filter. The HEPA Pure filter contains a compound that eliminates airborne bacteria, germs, fungi, and viruses, while the True HEPA layer captures 99.97 percent of airborne particles as small as 0.3 microns.
2nd Best
IQ Air HealthPro Plus Air Purifier $ 899 Buy Now

Pros

Super absorbent carbon filter
HyperHEPA filter captures 99.5 percent of airborne particles as small as 0.3 microns
Covers up to 1,125 square feet

Cons

Weight
Features and Specs
  • Covers up to 1,125 square feet
  • Dimensions: 32.25 x 17.83 x 15.38 inches
  • Weight: 50 pounds
  • Triple-Seal Technology
  • HyperHEPA filter
The IQAir HealthPro cleans large rooms up to 1,125 square feet. This air purifier not only filters harmful gases and chemicals in the home, but its HyperHEPA filter eliminates 99.5 percent of airborne particles as small as 0.3 microns. The IQAir HealthPro Plus air purifier also comes with a remote control, color-coded filter light indicator, and a 10-year limited warranty.
Better
Blueair Classic 605 Air Purifier $830 Buy Now

Pros

Low noise operation 
True HEPA filter captures 99.97 percent of airborne particles as small as 0.1 micron
WiFi capabilities

Cons

Cost
Features and Specs
  • Dimensions: 13 x 20 x 26  inches
  • Weight: 31 pounds
  • HepaSilent technology
  • Dual protection filters
  • 698 square feet room coverage
The Blueair Classic 605 is the best bet for large living spaces like living rooms. With HEPASilent technology that captures up to 99.97 percent of airborne particles as small as 0.1 microns, the Blueair Classic 605 goes above and beyond to eliminate pet dander, pollen, dust, mold, allergies, hay fever, and more. Not only does the air purifier expertly clean the air in living rooms up to 698 square feet in size, but it also is a stylish unit that can match your decor. Additionally, it comes with a leek flip-top display and an indicator light to change the filter.
Good
Austin Air Healthmate Plus Air Purifier $ 715 Buy Now

Pros

Three fan speed settings
True Medical-Grade HEPA filter captures 99.97 percent of airborne particles larger than 0.3 microns
Specializes in the reduction of harmful airborne particles, chemicals, gases, and more

Cons

Weight
Features and Specs
  • Coverage Area: Up to 1500 Sq Ft
  • Dimensions: 14.5 x 14.5 x 23
  • Weight: 45 lbs
The Austin Air Healthmate Plus contains a true medical-grade HEPA filter that removes irritants that aggravate allergies and asthma symptoms. It also uses an activated carbon filter to remove smoke, gases, chemicals, and odors from the air. It comes with three fan settings and a four-stage filtration process. The Austin Air Healthmate Plus comes with a five-year warranty for parts and labor.
2nd Good
Coway AirMega 400 Air Purifier $ 550 Buy Now

Pros

Cleans the air at least twice per hour
True HEPA filter captures 99.97 percent of airborne particles as small as 0.3 micron
WiFi capabilities

Cons

One color option: White
Features and Specs
  • Covers up to 1,560 square feet
  • Dimensions: 14.8 x 22.91 x 14.8 inches
  • Weight: 25 pounds
  • Smart and energy efficient
  • Five fan speeds
The Coway AirMega 400 air purifier includes the Coway AirMega Max2 filter, a combined activated carbon and True HEPA filter, which captures up to 99.97% of airborne particles as small as 0.3 microns. This includes pet dander, pollen, dust, and mold. It also comes with a washable pre-filter, which helps catch larger airborne particles. Designed for large bedrooms up to 1,560 square feet, the Coway AirMega 400 is a smart, energy efficient air purifier that comes with a smart mode (three settings). This feature automatically adjusts the fan speed based on your bedroom’s air quality. Additionally, The Coway AirMega 400 also has a timer, filter change light indicators, and a five-year warranty.

Tips and Key Takeaways

✓ Find an air purifier with a coverage area that protects the square feet of your classroom

✓ Look for certified true HEPA filters and activated carbon if you want particle, germ, chemical, and odor removal

✓ Find a long-lasting filtration system for fewer replacements and costs

✓ Check for a five year or higher warranty 

✓ An air purifier that includes an ionizer and UV light can give you extra sanitization but may be more harmful to the environment

✓ Find an air purifier with a low decibel rating for quiet filtrations and minimal noise distractions

✓ Look for an air purifier that weighs 30 pounds or less if you plan on transporting or maneuvering it often

✓ Double-check the product’s dimensions to make sure it fits in your classroom space