Best Extra Large (400+ CADR) Air Purifiers

Great rooms, basements and open floor plans. 6 ranked by overall score. Updated October 18, 2026.

$249

#1 in Extra Large (400+ CADR) · 410 smoke CADR · ~636 sq ft · 56 dB max · 21.0 lb

Large-room Winix with app control and a heavy carbon filter at a mid-range price.

$0.61 per CADR$90/yr filtersAHAM VerifideAuto mode1.2 lb carbonEnergy Star Spec-based

$250

#2 in Extra Large (400+ CADR) · 410 smoke CADR · ~636 sq ft · 55 dB max · 13.7 lb

Large-room CADR from a light, efficient unit; short filter life raises running cost.

$0.61 per CADR$120/yr filtersAHAM VerifideAuto modeEnergy Star Spec-based

$300

#3 in Extra Large (400+ CADR) · 400 smoke CADR · ~620 sq ft · 53 dB max · 13.5 lb

Quieter and more efficient than the 211+, with app control.

$0.75 per CADR$140/yr filtersAHAM VerifideAuto modeEnergy Star Spec-based

$279

#4 in Extra Large (400+ CADR) · 405 smoke CADR · ~628 sq ft · 56 dB max · 22.0 lb

Large-room Winix with heavy carbon and app; slightly costlier than the T810.

$0.69 per CADR$95/yr filtersAHAM VerifideAuto mode1.2 lb carbonEnergy Star Spec-based

$450

#5 in Extra Large (400+ CADR) · 950 smoke CADR · ~1472 sq ft · 60 dB max · 30.0 lb

Twin-filter unit with very high claimed CADR; not AHAM listed.

$0.47 per CADR$260/yr filters Spec-based

$500

#6 in Extra Large (400+ CADR) · 435 smoke CADR · ~674 sq ft · 57 dB max · 26.0 lb

Steel-cabinet workhorse with published test data; no sensor, no app.

$1.15 per CADR$110/yr filters Spec-based

Compare the top picks

#	Model	Smoke CADR	Dust	Pollen	W	dB max	Filters/yr	$/CADR	Score
1	Winix T810	410	420	415	80	56	$90	0.6	75
2	Levoit Core 600S	410	400	405	49	55	$120	0.6	74
3	Blueair Blue Pure 211i Max	400	400	400	52	53	$140	0.8	72
4	Winix 9800	405	410	408	85	56	$95	0.7	69
5	Medify MA-112	950	950	950	95	60	$260	0.5	60
6	Smart Air Blast Mini MK II	435	440	438	65	57	$110	1.1	39