Here Are The Top 10 Best Large Room Air Purifiers As Of January, 2022

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This list of the latest large room air purifiers includes only air purifiers that satisfy these specs:
  • 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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You Should Also Check Out: Top 10 Best Quiet Air Purifiers 2022



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  • TrueHEPA Filter
  • Air-quality Sensor
  • PM2.5 Sensor
You Should Also Check Out: Top 10 Best True HEPA Air Purifiers 2022
4

Honeywell HPA300 Large Room Air Purifier

320
cu. ft./min.
CADR
465
sqr. ft
Room
5
Per Hr
(Air Changes)
99.97
%
Filtration
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
5

Honeywell HPA304 Large Room Air Purifier

243
cu. ft./min.
CADR
360
sqr. ft
Room
99.97
%
Filtration
4
-speed
Air Fan
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Air-quality Sensor
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Air-quality Sensor
243
cu. ft./min.
CADR
360
sqr. ft
Room
99.97
%
Filtration
0.3
-micron
Particles
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • Remote control
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • Remote control
239.8
cu. ft./min.
CADR
30
dB
Low Noise
99.97
%
Filtration
0.3
-micron
Particles
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • H13-grade Filter
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • H13-grade Filter
346
cu. ft./min.
CADR
1200
sqr. ft
Room
99.96
%
Filtration
0.09
-micron
Particles
  • TrueHEPA Filter
  • Air-quality Sensor
  • Wi-Fi Enabled
  • Air Ionizer
  • TrueHEPA Filter
  • Air-quality Sensor
  • Wi-Fi Enabled
  • Air Ionizer
You Should Also Check Out: Top 10 Best Smart Air Purifiers 2022
307
cu. ft./min.
CADR
400
sqr. ft
Room
3
Per Hr
(Air Changes)
30
dB
Low Noise
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor

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

  • TrueHEPA Filter
  • On-off timer
  • Energy Star Compliant
240
cu. ft./min.
CADR
360
sqr. ft
Room
  • Air-quality Sensor
  • Energy Star Compliant
  • Air-quality Sensor
  • Energy Star Compliant
  • On-off timer
  • Air-quality Sensor
  • Energy Star Compliant
560
cu. ft./min.
CADR
6455
sqr. ft
Room
1
Per Hr
(Air Changes)
35
dB
Low Noise
  • TrueHEPA Filter
  • On-off timer
  • H13-grade Filter
  • Air-quality Sensor
  • Remote control
  • TrueHEPA Filter
  • On-off timer
  • H13-grade Filter
  • Air-quality Sensor
  • Remote control
334
cu. ft./min.
CADR
502
sqr. ft
Room
15
dB
Low Noise
99.97
%
Filtration
  • Alexa-compatible
  • Application
  • TrueHEPA Filter
  • On-off timer
  • Wi-Fi Enabled
  • Air Ionizer
  • Alexa-compatible
  • Application
  • TrueHEPA Filter
  • On-off timer
  • Wi-Fi Enabled
  • Air Ionizer
246
cu. ft./min.
CADR
361
sqr. ft
Room
99.97
%
Filtration
0.3
-micron
Particles
  • TrueHEPA Filter
  • On-off timer
  • Air Ionizer
  • Air-quality Sensor
  • TrueHEPA Filter
  • On-off timer
  • Air Ionizer
  • Air-quality Sensor
305
cu. ft./min.
CADR
2500
sqr. ft
Room
1
Per Hr
(Air Changes)
26
dB
Low Noise
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
233
cu. ft./min.
CADR
360
sqr. ft
Room
99.97
%
Filtration
0.3
-micron
Particles
  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Wi-Fi Enabled
  • Air-quality Sensor
  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • Wi-Fi Enabled
  • Air-quality Sensor
  • TrueHEPA Filter
  • On-off timer
  • Air-quality Sensor
300
cu. ft./min.
CADR
434
sqr. ft
Room
5
Per Hr
(Air Changes)
32
dB
Low Noise
  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • Wi-Fi Enabled
  • PM2.5 Sensor
  • Remote control
  • Alexa-compatible
  • TrueHEPA Filter
  • Activated Carbon Post-filter
  • On-off timer
  • Air-quality Sensor
  • Wi-Fi Enabled
  • PM2.5 Sensor
  • Remote control
  • TrueHEPA Filter
  • On-off timer
  • Air-quality Sensor
  • TrueHEPA Filter
  • Activated Carbon Post-filter
300
cu. ft./min.
CADR
434
sqr. ft
Room
5
Per Hr
(Air Changes)
32
dB
Low Noise
  • Alexa-compatible
  • TrueHEPA Filter
  • On-off timer
  • Wi-Fi Enabled
  • Alexa-compatible
  • TrueHEPA Filter
  • On-off timer
  • Wi-Fi Enabled
500
cu. ft./min.
CADR
775
sqr. ft
Room
5
Per Hr
(Air Changes)
33
dB
Low Noise
  • Alexa-compatible
  • TrueHEPA Filter
  • On-off timer
  • Wi-Fi Enabled
  • Alexa-compatible
  • TrueHEPA Filter
  • On-off timer
  • Wi-Fi Enabled


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