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Best Compact (under 130 CADR) Air Purifiers

Bedrooms and offices up to about 200 sq ft. 4 ranked by overall score; the top three are the picks for most people.

Updated October 18, 2026. Best value in this class: Levoit Core 200S. Cheapest: Levoit Core 200S at $80.

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 · $80 Levoit Full review

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 · $149 Coway Full review

GermGuardian AC4825

#3 of 4 in compact

$80

2.3

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 · $80 GermGuardian Full review

Honeywell HPA100

#4 of 4 in compact

$100

2.3

100 cfmsmoke CADR

155 sq ftAHAM room size

55 dBat full speed

50 Wmax power

Value Quietness Filter cost

Small HPA for a bedroom; basic and loud for its CADR.

One air change of a 300 sq ft room in about 24 min$35 a year in filters$275 to own for 5 yearsAHAM Verifide CADR

Amazon · $100 Honeywell Full review

Every spec, side by side

#	Model	Smoke CADR	Dust	Pollen	W	dB max	Filters/yr	$/CADR	Score
1	Levoit Core 200S	118	120	122	26	46	$38	0.7	4.2
2	Coway Airmega 150	128	141	127	32	47	$45	1.2	3.0
3	GermGuardian AC4825	100	118	125	55	55	$60	0.8	2.3
4	Honeywell HPA100	100	106	100	50	55	$35	1.0	2.3

Other room-size classes

Medium (130–249 CADR)Large (250–399 CADR)Extra Large (400+ CADR)