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Air purifier reviews

Consumer Reports is the only place to find unbiased, independent air purifier reviews. Looking for room or a home air purifier? Looking for features such as a fan or servicing indicator? Do they help ease asthma and allergies, or not?

Our experts at the Consumer Reports National Testing and Research Center have evaluated dozens of current models at our on-site testing labs. We provide you with Ratings, where you will find the exact numerical score our experts have assigned to each of the six tested criteria that make up our product evaluations: dust/pollen/smoke removal (high), dust/pollen/smoke removal (low), noise on high speed, noise on low speed, annual cost, and room size.

We have tested such major brands as Honeywell, Blueair, Whirlpool, GE, Sharp, Allergy Pro, Idylis, HoMedics, Hamilton Beach, Hoover, and many more. Our product pages also include a model selector, where you can input brand, category, and price to narrow down the right model for your needs.

After reading the reviews, you can compare models, look at our list of the features and specifications, read user feedback, and submit your own feedback.  

See more on air purifier reviews.

Also look at our buying guide, which shows you which features are important and gives you the pros and cons of each model.

Read the air purifier reviews below and compare the Ratings of model before you shop.

Air purifier reviews

Honeywell HPA300

Type: Room air purifiers
Summary: This portable air purifier from Honeywell is primarily filter-based and has a filter indicator and programmable timer, and 4 speeds. It’s designed for floor or tabletop use in a large room. and weighs 16.8 pounds.
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Blueair 403

Type: Room air purifiers
Summary: This portable air purifier from Blueair is primarily filter-based and has a filter indicator, and 4 speeds. It's designed for floor or tabletop use in a large room. and weighs 33 pounds.
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Flanders Precisionaire Pre-Pleat 40

Type: Home air purifiers
Summary: This whole-house air purifier from Flanders can be installed by a do-it-yourselfer as a replacement for a forced-air heating/cooling system’s filter.
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Filtrete Healthy Living Ultimate Allergen Reduction 1900 MPR

Type: Home air purifiers
Summary: This whole-house air purifier from 3M can be installed by a do-it-yourselfer as a replacement for a forced-air heating/cooling system’s filter.
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Flanders NaturalAire Pleated Microparticle MERV 10

Type: Home air purifiers
Summary: This whole-house air purifier from Flanders can be installed by a do-it-yourselfer as a replacement for a forced-air heating/cooling system’s filter.
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What's behind our air purifier Ratings?

Experts at our National Testing and Research Center tested 40 models in air purifiers to see which ones perform best.
We look for:
  • Overall score
    Overall score is mainly how well models removed dust and smoke from a test chamber, plus quietness.
  • Dust/pollen/smoke removal (high)
    Dust/pollen/smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its highest speed. A model that scores well for dust removal should perform comparably for pollen.
  • Dust/pollen/smoke removal (low)
    Dust/pollen/smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its lowest speed. A model that scores well for dust removal should perform comparably for pollen.
  • Noise (high speed)
    Noise is based on instrument measurements with the model running at its highest speed.
  • Noise (low speed)
    Noise is based on instrument measurements with the model running at its lowest speed.
  • Annual cost
    Annual cost is a combination of yearly filter and energy costs.
  • Room size
    Recommended size for Small room 100-300 sq/ft, Medium room 250-400 sq/ft, Large room 350-650 sq/ft.

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