Air Purifier Ranking

Home › Best Value Air Purifiers (CADR per Dollar)

Best Value Air Purifiers (CADR per Dollar)

49 qualify, listed by cadr per dollar. Updated October 18, 2026.

1
Medify MA-25
Medify MA-25
#18 of 22 in medium
$100
3.1
230 cfmsmoke CADR
356 sq ftAHAM room size
55 dBat full speed
55 Wmax power
Value Quietness Filter cost

Budget medium-room unit; CADR is manufacturer-claimed.

One air change of a 300 sq ft room in about 10 min$100 a year in filters$600 to own for 5 years
Amazon · $100MedifyFull review
2
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
3
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
4
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
5
Levoit Core 300
Levoit Core 300
#17 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
6
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
7
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
8
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
9
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
10
$150
3.2
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
11
Winix C545
Winix C545
#3 of 22 in medium
$149
3.5
232 cfmsmoke CADR
360 sq ftAHAM room size
55 dBat full speed
70 Wmax power
Value Quietness Filter cost

5500-class performance with app control.

One air change of a 300 sq ft room in about 10 min$65 a year in filters$474 to own for 5 yearsAHAM Verifide CADR
Amazon · $149WinixFull review
12
$100
3.2
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
13
Levoit Core 200S
Levoit Core 200S
#1 of 4 in compact · independently tested
$80
4.1
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
14
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
15
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
16
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
17
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
18
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
19
Honeywell HPA200
#19 of 22 in medium
$140
2.9
190 cfmsmoke CADR
294 sq ftAHAM room size
58 dBat full speed
95 Wmax power
Value Quietness Filter cost

Mid-size HPA; reliable but dated, with no sensor.

One air change of a 300 sq ft room in about 13 min$50 a year in filters$390 to own for 5 yearsAHAM Verifide CADR
Amazon · $140HoneywellFull review
20
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
21
Levoit Vital 100S
Levoit Vital 100S
#11 of 22 in medium
$100
3.4
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
22
Winix AM90
#7 of 22 in medium
$179
3.4
232 cfmsmoke CADR
360 sq ftAHAM room size
55 dBat full speed
70 Wmax power
Value Quietness Filter cost

Winix's 360 sq ft platform in a taller cabinet with Wi-Fi.

One air change of a 300 sq ft room in about 10 min$70 a year in filters$529 to own for 5 yearsAHAM Verifide CADR1.0 lb activated carbon
Amazon · $179WinixFull review
23
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
24
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
25
$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
26
GermGuardian AC4825
$80
2.5
100 cfmsmoke CADR
155 sq ftAHAM room size
55 dBat full speed
55 Wmax power
Value Quietness Filter cost

Tower with UV-C; low CADR and loud for its size, but cheap.

One air change of a 300 sq ft room in about 24 min$60 a year in filters$380 to own for 5 yearsAHAM Verifide CADR
Amazon · $80GermGuardianFull review
27
Coway Airmega 200M
$189
3.4
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
28
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
29
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
30
Levoit Core 300S
Levoit Core 300S
#10 of 22 in medium · independently tested
$120
3.4
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

More lists

Air Purifiers Under $100Air Purifiers Under $200Air Purifiers Under $300Air Purifiers for BedroomsQuietest Air Purifiers at Full PowerAir Purifiers for Wildfire SmokeAir Purifiers for Allergies and PollenAir Purifiers for Pet Hair and DanderAir Purifiers for Large RoomsCheapest Air Purifiers to Run (Filters plus Power)Most Energy-Efficient Air Purifiers (CADR per Watt)Smart Air Purifiers with App and Auto ModeEvery AHAM Verifide Air Purifier RankedAir Purifiers for Odors and VOCs (Heavy Carbon)