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Quietest Air Purifiers at Full Power

49 qualify, listed by noise max db. Updated October 18, 2026.

1
Levoit Core 200S
Levoit Core 200S
#1 of 4 in compact · independently tested
$80
4.2
118 cfmsmoke CADR
183 sq ftAHAM room size
46 dBat full speed
26 Wmax power
Value Quietness Filter cost

Smallest Levoit with app control; no particle sensor.

One air change of a 300 sq ft room in about 20 min$38 a year in filters$268 to own for 5 yearsAHAM Verifide CADR
Amazon · $80LevoitFull review
2
Blueair Blue Pure 411i Max
Blueair Blue Pure 411i Max
#5 of 22 in medium · independently tested
$110
3.4
130 cfmsmoke CADR
202 sq ftAHAM room size
46 dBat full speed
20 Wmax power
Value Quietness Filter cost

Tiny bedroom unit with auto mode and app; fine for a small room, not a living room.

One air change of a 300 sq ft room in about 18 min$80 a year in filters$510 to own for 5 yearsAHAM Verifide CADR
Amazon · $110BlueairFull review
3
Rabbit Air MinusA2 SPA-780A
$550
2.6
171 cfmsmoke CADR
265 sq ftAHAM room size
46 dBat full speed
47 Wmax power
Value Quietness Filter cost

Six-stage filtration and very quiet, but low CADR for the price.

One air change of a 300 sq ft room in about 14 min$100 a year in filters$1,050 to own for 5 yearsAHAM Verifide CADR
Amazon · $550Rabbit AirFull review
4
Coway Airmega 150
Coway Airmega 150
#2 of 4 in compact · independently tested
$149
3.0
128 cfmsmoke CADR
198 sq ftAHAM room size
47 dBat full speed
32 Wmax power
Value Quietness Filter cost

Compact unit with auto mode and a washable prefilter; filters are pricey for the CADR.

One air change of a 300 sq ft room in about 19 min$45 a year in filters$374 to own for 5 yearsAHAM Verifide CADR
Amazon · $149CowayFull review
5
Alen BreatheSmart 75i
Alen BreatheSmart 75i
#8 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
6
Alen BreatheSmart 45i
$349
3.2
245 cfmsmoke CADR
380 sq ftAHAM room size
49 dBat full speed
50 Wmax power
Value Quietness Filter cost

Medium Alen with the same quiet motor; lifetime warranty with filter subscription.

One air change of a 300 sq ft room in about 10 min$79 a year in filters$744 to own for 5 yearsAHAM Verifide CADR
Amazon · $349AlenFull review
7
Levoit Core 300
Levoit Core 300
#14 of 22 in medium · independently tested
$80
3.1
141 cfmsmoke CADR
219 sq ftAHAM room size
50 dBat full speed
45 Wmax power
Value Quietness Filter cost

The best-selling compact purifier; no auto mode, thin carbon, but cheap and quiet on low.

One air change of a 300 sq ft room in about 17 min$45 a year in filters$305 to own for 5 yearsAHAM Verifide CADR
Amazon · $80LevoitFull review
8
Levoit Core 300S
Levoit Core 300S
#10 of 22 in medium · independently tested
$120
3.3
141 cfmsmoke CADR
219 sq ftAHAM room size
50 dBat full speed
45 Wmax power
Value Quietness Filter cost

Core 300 plus a PM2.5 sensor, auto mode and app.

One air change of a 300 sq ft room in about 17 min$45 a year in filters$345 to own for 5 yearsAHAM Verifide CADR
Amazon · $120LevoitFull review
9
Levoit Vital 100S
Levoit Vital 100S
#11 of 22 in medium
$100
3.3
130 cfmsmoke CADR
202 sq ftAHAM room size
50 dBat full speed
23 Wmax power
Value Quietness Filter cost

Compact with a washable prefilter and auto mode.

One air change of a 300 sq ft room in about 18 min$70 a year in filters$450 to own for 5 yearsAHAM Verifide CADR
Amazon · $100LevoitFull review
10
Blueair Blue Pure 311i Max
Blueair Blue Pure 311i Max
#4 of 18 in large · independently tested
$170
3.7
250 cfmsmoke CADR
388 sq ftAHAM room size
50 dBat full speed
36 Wmax power
Value Quietness Filter cost

Medium-room Blueair with very low power draw and app.

One air change of a 300 sq ft room in about 10 min$120 a year in filters$770 to own for 5 yearsAHAM Verifide CADR
Amazon · $170BlueairFull review
11
$200
3.7
250 cfmsmoke CADR
388 sq ftAHAM room size
50 dBat full speed
30 Wmax power
Value Quietness Filter cost

Efficient medium-room unit; superseded by the 311i Max.

One air change of a 300 sq ft room in about 10 min$120 a year in filters$800 to own for 5 yearsAHAM Verifide CADR
Amazon · $200BlueairFull review
12
$299
3.1
240 cfmsmoke CADR
372 sq ftAHAM room size
50 dBat full speed
50 Wmax power
Value Quietness Filter cost

45i without the sensor or app.

One air change of a 300 sq ft room in about 10 min$69 a year in filters$644 to own for 5 yearsAHAM Verifide CADR
Amazon · $299AlenFull review
13
$100
3.1
150 cfmsmoke CADR
232 sq ftAHAM room size
50 dBat full speed
45 Wmax power
Value Quietness Filter cost

Compact-plus unit with a particle sensor.

One air change of a 300 sq ft room in about 16 min$80 a year in filters$500 to own for 5 yearsAHAM Verifide CADR
Amazon · $100CloroxFull review
14
$550
2.6
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
15
Rabbit Air A3
Rabbit Air A3
#16 of 18 in large
$600
3.0
262 cfmsmoke CADR
406 sq ftAHAM room size
51 dBat full speed
57 Wmax power
Value Quietness Filter cost

Rabbit Air's larger unit with app and a laser sensor; premium price.

One air change of a 300 sq ft room in about 9 min$100 a year in filters$1,100 to own for 5 yearsAHAM Verifide CADR
Amazon · $600Rabbit AirFull review
16
Coway Airmega 250
Coway Airmega 250
#9 of 22 in medium · independently tested
$229
3.3
240 cfmsmoke CADR
372 sq ftAHAM room size
52 dBat full speed
52 Wmax power
Value Quietness Filter cost

Quiet for its CADR; the 930 sq ft claim is at 1 air change per hour, so treat it as a 370 sq ft unit for allergies.

One air change of a 300 sq ft room in about 10 min$70 a year in filters$579 to own for 5 yearsAHAM Verifide CADR
Amazon · $229CowayFull review
17
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
18
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
19
Coway Airmega 400S
$449
3.4
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
20
Levoit Core 400S
Levoit Core 400S
#2 of 18 in large · independently tested
$180
3.8
260 cfmsmoke CADR
403 sq ftAHAM room size
52 dBat full speed
38 Wmax power
Value Quietness Filter cost

Very efficient CADR per watt; filters are rated for only six months.

One air change of a 300 sq ft room in about 9 min$100 a year in filters$680 to own for 5 yearsAHAM Verifide CADR
Amazon · $180LevoitFull review
21
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
22
$300
2.5
210 cfmsmoke CADR
326 sq ftAHAM room size
52 dBat full speed
50 Wmax power
Value Quietness Filter cost

Claims five years without a filter change; CADR is manufacturer-claimed and the 1400 sq ft figure is at 1 ACH.

One air change of a 300 sq ft room in about 11 minNo replacement filters sold$300 to own for 5 years
Amazon · $300SharkFull review
23
Blueair Blue Pure 211i Max
$300
3.9
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
24
Dreo Macro Pro
#1 of 18 in large
$130
4.1
258 cfmsmoke CADR
400 sq ftAHAM room size
53 dBat full speed
40 Wmax power
Value Quietness Filter cost

Strong CADR per dollar with app and auto mode; very quiet on low.

One air change of a 300 sq ft room in about 9 min$100 a year in filters$630 to own for 5 yearsAHAM Verifide CADR
Amazon · $130DreoFull review
25
Coway Airmega AP-1512HH Mighty
Coway Airmega AP-1512HH Mighty
#6 of 22 in medium · independently tested
$180
3.4
233 cfmsmoke CADR
361 sq ftAHAM room size
54 dBat full speed
77 Wmax power
Value Quietness Filter cost

The long-running benchmark: strong CADR for the price, a real auto mode and cheap annual filters.

One air change of a 300 sq ft room in about 10 min$50 a year in filters$430 to own for 5 yearsAHAM Verifide CADR
Amazon · $180CowayFull review
26
Coway Airmega 200M
$189
3.3
233 cfmsmoke CADR
361 sq ftAHAM room size
54 dBat full speed
77 Wmax power
Value Quietness Filter cost

Same internals as the Mighty in a square housing with a square filter.

One air change of a 300 sq ft room in about 10 min$50 a year in filters$439 to own for 5 yearsAHAM Verifide CADR
Amazon · $189CowayFull review
27
Levoit Vital 200S
Levoit Vital 200S
#1 of 22 in medium · independently tested
$150
3.7
245 cfmsmoke CADR
380 sq ftAHAM room size
54 dBat full speed
38 Wmax power
Value Quietness Filter cost

Adds a washable prefilter and a pet-hair mode to the Core 400S formula.

One air change of a 300 sq ft room in about 10 min$100 a year in filters$650 to own for 5 yearsAHAM Verifide CADR
Amazon · $150LevoitFull review
28
$150
3.1
234 cfmsmoke CADR
363 sq ftAHAM room size
54 dBat full speed
65 Wmax power
Value Quietness Filter cost

Medium CADR with auto mode at a low price; room-size claim is at 1 ACH.

One air change of a 300 sq ft room in about 10 min$100 a year in filters$650 to own for 5 yearsAHAM Verifide CADR
Amazon · $150CloroxFull review
29
Winix 5500-2
#4 of 22 in medium · independently tested
$159
3.4
232 cfmsmoke CADR
360 sq ftAHAM room size
55 dBat full speed
70 Wmax power
Value Quietness Filter cost

A pellet-carbon filter you can wash, strong CADR, and a low street price; PlasmaWave can be switched off.

One air change of a 300 sq ft room in about 10 min$70 a year in filters$509 to own for 5 yearsAHAM Verifide CADR1.0 lb activated carbon
Amazon · $159WinixFull review
30
Winix 5300-2
#2 of 22 in medium
$139
3.5
232 cfmsmoke CADR
360 sq ftAHAM room size
55 dBat full speed
70 Wmax power
Value Quietness Filter cost

The 5500-2 without the remote and with a lighter carbon filter.

One air change of a 300 sq ft room in about 10 min$70 a year in filters$489 to own for 5 yearsAHAM Verifide CADR1.0 lb activated carbon
Amazon · $139WinixFull review

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