Here Are The Top 10 Best Large Room Air Purifiers 2021

Our list presenting the latest large room air purifiers includes only air purifiers that satisfy these specifications:

  • AlphaChooser considers that the most interesting metric to identify large air purifiers is their clean air delivery rate (CADR) figure. We set the bar for this list of the best large room air purifiers to a minimum CADR for dust of 230 cubic feet per minute.
  • Since the CADR rate is not provided by so many manufacturers, this list remains limited, simply because we list other rather large air purifiers, but for which we could not find the CADR. For that reason, you may want to take a look at our full list of True HEPA air purifiers too, because it contains other models.


The List:

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Alpha
Rank:
#1
Our
Score:
9.4/10
Confidence
Level:
Great
Considering this air purifier's average ranking of 94%, we are confident that the Honeywell HPA304 is currently Alphachooser's best large room air purifier 2021. Furthermore, we think that our 26292 reviews sampled from multiple sources give us a high confidence level (more on confidence levels) that justifies making it a "no-brainer best choice."

Honeywell HPA304

  • TrueHEPA Filter
  • On-off timer
9.4Out Of 10
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Alpha
Rank:
#2
Our
Score:
9.3/10
Confidence
Level:
Great
With its star rating of 9 over 36775 reviews, here is what we consider second best large room air purifier. * This list, by the way, is based on an in-depth analysis of hundreds of large room air purifier reviews from around the web.

Coway Mighty

  • On-off timer
  • Air Ionizer
9.3Out Of 10
You Should Also Check Out: Top 10 Best Quiet Air Purifiers 2021
Alpha
Rank:
#3
Our
Score:
9.3/10
Confidence
Level:
Great

Winix 5300-2 Large Room Air Purifier

  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Air-quality Sensor
9.3Out Of 10
Alpha
Rank:
#5
Our
Score:
9.4/10
Confidence
Level:
High

Hathaspace HSP002 Large Room Air Purifier

  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • H13-grade Filter
9.4Out Of 10
Alpha
Rank:
#7
Our
Score:
9.3/10
Confidence
Level:
High

BISSELL Air400

  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
9.3Out Of 10
Alpha
Rank:
#8
Our
Score:
9.2/10
Confidence
Level:
High

NuWave OxyPure

  • TrueHEPA Filter
  • Air-quality Sensor
  • Wi-Fi Enabled
  • Air Ionizer
9.2Out Of 10
You Should Also Check Out: Top 10 Best Smart Air Purifiers 2021
Alpha
Rank:
#9
Our
Score:
9.2/10
Confidence
Level:
Good

Winix AM90

  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Wi-Fi Enabled
  • Air-quality Sensor
9.2Out Of 10
Alpha
Rank:
#10
Our
Score:
9.4/10
Confidence
Level:
OK

Coway Airmega 200M

  • TrueHEPA Filter
  • On-off timer
  • Air Ionizer
  • Air-quality Sensor
9.4Out Of 10

CLEANFORCEAIR MEGA1000

  • TrueHEPA Filter
  • On-off timer
  • H13-grade Filter
  • Air-quality Sensor
  • Remote control
9.4Out Of 10

More large room air purifiers, sorted by the latest model first:

Blueair HealthProtect 7470i

  • Google-assistant-ready
  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • Wi-Fi Enabled
8.9Out Of 10

Blueair HealthProtect 7770i

  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Wi-Fi Enabled
9Out Of 10

Sharp FXJ80UW

  • Alexa-compatible
  • Application
  • TrueHEPA Filter
  • On-off timer
  • Wi-Fi Enabled
  • Air Ionizer
9.3Out Of 10

Coway Airmega AP-1512HHS

  • Google-assistant-ready
  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Wi-Fi Enabled
  • Air-quality Sensor
9.2Out Of 10

Blueair Classic 480i

  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • Wi-Fi Enabled
  • PM2.5 Sensor
  • Remote control
9Out Of 10

Winix 5500-2

  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • Remote control
9.2Out Of 10

Sharp FPA80UW

  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Air Ionizer
  • Air-quality Sensor
9.1Out Of 10

Sharp KC860U

  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Air Ionizer
  • Air-quality Sensor
9.1Out Of 10

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