We’ve Tested Over 100 Air Purifiers—These 5 Are the Most Effective (Updated for 2025)
After testing hundreds of different models & brands, our expert Steve Fontaine of IAQ Solutions & Consulting Inc., determined which picks were most effective for allergies, pet hair, pathogens, mold and many more.
Updated on December 31, 2024
Fact checked by Steve Fontaine
In This Page
Best Air Purifier for Schools and Classrooms
Good for Large-sized Rooms
- Why You Should Get It: High-capacity, H13 HEPA, removes 99.9% particles, perfect for large spaces, quiet, energy-efficient, modern design.
- What You Should Keep in Mind: It efficiently covers up to 4,456 square feet in one hour, ideal for large classrooms and shared school spaces.
- Warranty: Lifetime
- 1,564 reviews on Amazon
Best Air Purifier for Senior Care Facilities & Nursing Homes
Good for Medium-sized Rooms
- Why You Should Get It: Compact, powerful, H13 HEPA, ideal for medium spaces, 3 fan speeds, touchscreen, child lock, sleek design & ideal for childcare centers, senior care facilities and nursing homes.
- What You Should Keep in Mind: It efficiently covers up to 1,792 square feet in one hour, ideal for large classrooms and shared school spaces.
- Warranty: Lifetime
- 12,692 reviews on Amazon
Best Air Purifier for Small Offices
Good for Small-sized Rooms
- Why You Should Get It: Affordable, dual filter design, H13 HEPA, quiet, compact size, perfect for bedrooms and small offices.
- What You Should Keep in Mind: It efficiently covers up to 826 square feet in one hour, ideal for large classrooms and shared school spaces.
- Warranty: Lifetime
- 13,218 reviews on Amazon
Best Air Purifier for Government Agency Offices
Good for Large-sized Rooms
- Why You Should Get It: High-capacity, H13 HEPA, removes 99.9% particles, perfect for large spaces, quiet, energy-efficient, modern design.
- What You Should Keep in Mind: It efficiently covers up to 4,456 square feet in one hour, ideal for large classrooms and shared school spaces.
- Warranty: Lifetime
- 1,564 reviews on Amazon
Best Air Purifier for Gym or Cafeteria
Good for Extra Large-sized Rooms
Please note that due to the size of the MA-1400 units, shipping information is not available through direct links. For details regarding shipping, please email us or complete the contact form to receive more information.
Medify Air MA-1400 Air Purifier with True HEPA H14 Filter
- Why You Should Get It: Can clean 4,400 square feet every 30 minutes*, or 8,800 square feet every 60 minutes. Clean Air Delivery Rate†
- What You Should Keep in Mind: The MA-1400 Pro is equipped with powerful technology and high-grade filtration, offering massive coverage for schools, medical offices, laboratories, and other businesses. It has True HEPA H14 filters that effectively remove 99.99% of airborne particles that pass through the filter including dust, smoke, allergens, pollen and more, down to 0.1 microns.
- Warranty: Lifetime