This page links to every air purifier guide and review on the site. Prices and models change, so check each listing.
The right air purifier depends on room size and what you are trying to remove. This hub groups our guides and reviews so you can find the right one fast.
Table of Contents
Start Here
- Not sure what size you need? Use the CADR calculator and the sizing guide.
- Allergies or asthma? Start with the allergy guides and look for True HEPA and a high CADR.
- Smoke, pets or dust? Pick the guide that matches the problem.
- Shopping by brand? The review list below is sorted by brand.
Here is where air purifiers are heading: stronger fans in quieter bodies, built-in air quality sensors, app control and more independent testing of CADR claims. Wildfire seasons have also made smoke ratings a top question for buyers.
Air Purifier Buying Guides
- Best Air Purifiers 2022
- The
- Best Air Purifiers For 500 Square Feet Room
- Best Air Purifiers For Allergies
- Best Air Purifiers for Baby
- Best Air Purifiers for Bacteria And Viruses
- Best Air Purifiers for Mold (Basements)
- Best Air Purifiers for Bedrooms
- Best Air Purifiers for Dorm Room
- Best Air Purifiers for Large Rooms
- Best Air Purifiers for Nail Salons
- Best Air Purifiers for Pets
- Best Air Purifiers for Smoke And Odors
- Best Air Purifiers For Smoke Under $100
- Best Air Purifiers for Weed Smoke
- Best Cheap Air Purifiers
- Best Energy-Efficient Air Purifiers
- How to Choose the Right Size Air Purifier
- CADR Calculator
- What Is a HEPA Filter?
- Air Purifier Filter Types Explained
- Air Purifier Maintenance Guide
- Best Air Purifiers by CADR Rating
- Best Air Purifiers for Wildfire Smoke
Air Purifier Reviews by Brand
Air Health
Air Oasis
AirDoctor
- AirDoctor 1000 Air Purifier Review
- AirDoctor 2000 Air Purifier Review
- AirDoctor 3000 Air Purifier Review
- AirDoctor 5000 Air Purifier Review
Airpura
Airthereal
Alen
- Alen BreatheSmart 45i True HEPA Air Purifier Review
- Alen Breathesmart Classic True HEPA Air Purifier Review
- Alen Breathesmart FIT50 Air Purifier Review
- Alen T500 True HEPA Tower Air Purifier Review
Alpine Air
- Alpine Air Classic LA-3500 v.2.0 Air Purifier Review
- Alpine Air Fresh Air LA-3500 v.2.0 Air Purifier Review
- Alpine Air NA Flare LA-2700 v.2.0 Air Purifier Review
- Alpine Air Silent Thunder LA-2400 v.2.0 Air Purifier Review
- Alpine Single Room LA-500 v3.0 Air Purifier Review
Coway
- Coway AIRMEGA 200M Air Purifier Review
- Coway Airmega 400 Air Purifier Review
- Coway Ap-1512HH Air Purifier Review
Dyson
Germ Guardian
Hathaspace
hOmelabs
Honeywell
IQAir
The downside is label games and neglect. Coverage claims on the box often assume a low air change rate, so a unit sold for a big room may be too weak for allergies. Filters clog and cost money, and some add-on features such as ionizers can make ozone. Expect more shoppers to buy by the box and then skip filter changes. Read the CADR number, avoid ozone-making units and keep a filter reminder.
Koios
Levoit
- Levoit Core 300 Air Purifier Review
- Levoit LV-H132 Air Purifier Review
- Levoit LV-PUR131 Air Purifier Review
Medify
Okaysou
Oransi
Partu
Pure Zone
Rabbit Air
SilverOnyx
TRACS
Veva
Vornado
Winix
Whirlpool
FAQ
What size air purifier do you need?
Work out room volume, pick air changes per hour (4 for allergies) and use the CADR calculator.
Is HEPA the only filter that matters?
No. HEPA catches fine particles, and carbon helps with odors and gases. Match the filter to the problem.
How often should you change filters?
Follow the maker, often every 6 to 12 months for HEPA, sooner in smoky or dusty homes.
Are ionizers safe?
Some make ozone. Look for models that are certified low-ozone, or skip the feature.
Final Word
Size the room, match the filter to the problem and keep up with filter changes.
What comes next: tighter labels, smarter filter alerts and quieter high-flow models. Start with room size and CADR, then pick the features you will actually use.
Related Guides
Keep going with how to choose the right size air purifier, CADR calculator, what a HEPA filter is, air purifier filter types and air purifier maintenance.



