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Best Air Purifiers for Large Rooms

16 qualify, listed by overall score. Updated October 18, 2026.

1
Levoit Core 600S
Levoit Core 600S
#1 of 5 in extra large · independently tested
$250
3.8
410 cfmsmoke CADR
636 sq ftAHAM room size
55 dBat full speed
49 Wmax power
Value Quietness Filter cost

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

One air change of a 300 sq ft room in about 6 min$120 a year in filters$850 to own for 5 yearsAHAM Verifide CADR
Amazon · $250LevoitFull review
2
Blueair Blue Pure 211i Max
$300
3.8
400 cfmsmoke CADR
620 sq ftAHAM room size
53 dBat full speed
52 Wmax power
Value Quietness Filter cost

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

One air change of a 300 sq ft room in about 6 min$140 a year in filters$1,000 to own for 5 yearsAHAM Verifide CADR
Amazon · $300BlueairFull review
3
Winix 9800
Winix 9800
#3 of 5 in extra large
$279
3.8
405 cfmsmoke CADR
628 sq ftAHAM room size
56 dBat full speed
85 Wmax power
Value Quietness Filter cost

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

One air change of a 300 sq ft room in about 6 min$95 a year in filters$754 to own for 5 yearsAHAM Verifide CADR1.2 lb activated carbon
Amazon · $279WinixFull review
4
Levoit EverestAir
Levoit EverestAir
#5 of 18 in large · independently tested
$400
3.7
360 cfmsmoke CADR
558 sq ftAHAM room size
52 dBat full speed
49 Wmax power
Value Quietness Filter cost

Levoit's flagship with a laser sensor and directional vent; expensive for the CADR.

One air change of a 300 sq ft room in about 7 min$160 a year in filters$1,200 to own for 5 yearsAHAM Verifide CADR
Amazon · $400LevoitFull review
5
Coway Airmega 300
Coway Airmega 300
#6 of 18 in large
$279
3.6
300 cfmsmoke CADR
465 sq ftAHAM room size
52 dBat full speed
57 Wmax power
Value Quietness Filter cost

Two-sided filtration with a real carbon layer; filters cost more than most.

One air change of a 300 sq ft room in about 8 min$110 a year in filters$829 to own for 5 yearsAHAM Verifide CADR1.1 lb activated carbon
Amazon · $279CowayFull review
6
Coway Airmega 400
Coway Airmega 400
#7 of 18 in large
$379
3.5
350 cfmsmoke CADR
542 sq ftAHAM room size
52 dBat full speed
66 Wmax power
Value Quietness Filter cost

High CADR at a quiet 52 dB maximum; annual filter cost is among the highest here.

One air change of a 300 sq ft room in about 7 min$130 a year in filters$1,029 to own for 5 yearsAHAM Verifide CADR1.3 lb activated carbon
Amazon · $379CowayFull review
7
Coway Airmega 400S
$449
3.5
350 cfmsmoke CADR
542 sq ftAHAM room size
52 dBat full speed
66 Wmax power
Value Quietness Filter cost

Airmega 400 with Wi-Fi app control.

One air change of a 300 sq ft room in about 7 min$130 a year in filters$1,099 to own for 5 yearsAHAM Verifide CADR1.3 lb activated carbon
Amazon · $449CowayFull review
8
Medify MA-112
$450
3.4
950 cfmsmoke CADR
1,472 sq ftAHAM room size
60 dBat full speed
95 Wmax power
Value Quietness Filter cost

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

One air change of a 300 sq ft room in about 3 min$260 a year in filters$1,750 to own for 5 years
Amazon · $450MedifyFull review
9
Alen BreatheSmart 75i
Alen BreatheSmart 75i
#9 of 18 in large · independently tested
$599
3.4
347 cfmsmoke CADR
538 sq ftAHAM room size
49 dBat full speed
60 Wmax power
Value Quietness Filter cost

Quiet at full speed and well built; price per CADR is high.

One air change of a 300 sq ft room in about 7 min$99 a year in filters$1,094 to own for 5 yearsAHAM Verifide CADR
Amazon · $599AlenFull review
10
Blueair Blue Pure 211+ Auto
#10 of 18 in large · independently tested
$280
3.4
350 cfmsmoke CADR
542 sq ftAHAM room size
56 dBat full speed
61 Wmax power
Value Quietness Filter cost

211+ with a particle sensor and auto mode.

One air change of a 300 sq ft room in about 7 min$140 a year in filters$980 to own for 5 yearsAHAM Verifide CADR
Amazon · $280BlueairFull review
11
Blueair Blue Pure 211+
#11 of 18 in large · independently tested
$250
3.4
350 cfmsmoke CADR
542 sq ftAHAM room size
56 dBat full speed
61 Wmax power
Value Quietness Filter cost

High CADR, simple one-button operation, fabric prefilter; no auto mode and short filter life.

One air change of a 300 sq ft room in about 7 min$140 a year in filters$950 to own for 5 yearsAHAM Verifide CADR
Amazon · $250BlueairFull review
12
Honeywell HPA5300
#12 of 18 in large
$250
3.3
300 cfmsmoke CADR
465 sq ftAHAM room size
58 dBat full speed
120 Wmax power
Value Quietness Filter cost

HPA300 internals with a particle sensor, auto mode and app.

One air change of a 300 sq ft room in about 8 min$60 a year in filters$550 to own for 5 yearsAHAM Verifide CADR
Amazon · $250HoneywellFull review
13
Honeywell HPA300
#13 of 18 in large · independently tested
$190
3.3
300 cfmsmoke CADR
465 sq ftAHAM room size
60 dBat full speed
130 Wmax power
Value Quietness Filter cost

Proven large-room CADR at a fair price; loud and power-hungry at full speed, no auto mode.

One air change of a 300 sq ft room in about 8 min$60 a year in filters$490 to own for 5 yearsAHAM Verifide CADR
Amazon · $190HoneywellFull review
14
Medify MA-40
Medify MA-40
#14 of 18 in large · independently tested
$170
3.2
330 cfmsmoke CADR
512 sq ftAHAM room size
56 dBat full speed
68 Wmax power
Value Quietness Filter cost

High claimed CADR for the money; not AHAM listed, and filters are short-lived.

One air change of a 300 sq ft room in about 7 min$160 a year in filters$970 to own for 5 years
Amazon · $170MedifyFull review
15
$550
2.8
300 cfmsmoke CADR
465 sq ftAHAM room size
51 dBat full speed
55 Wmax power
Value Quietness Filter cost

Premium build and very quiet low speed; CADR per dollar is poor.

One air change of a 300 sq ft room in about 8 min$240 a year in filters$1,750 to own for 5 yearsAHAM Verifide CADR
Amazon · $550BlueairFull review
16
Smart Air Blast Mini MK II
$500
2.7
435 cfmsmoke CADR
674 sq ftAHAM room size
57 dBat full speed
65 Wmax power
Value Quietness Filter cost

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

One air change of a 300 sq ft room in about 6 min$110 a year in filters$1,050 to own for 5 years
Amazon · $500Smart AirFull review

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