Best air purifiers for 200 sq ft and allergies

Target smoke CADR 107 using 4 ACH and an 8 ft ceiling. Results come from AHAM Verifide CADR rows; CARB matches are marked when found.

Required smoke CADR = sqft x ceiling height x ACH / 60
200 x 8 x 4 / 60 = 107
AHAM 2/3 room-size cross-check: CADR >= 134

Model	Smoke CADR	AHAM room	CARB	Cost/CADR	Annual filter
LEVOIT LAP-C601S-WUSR 287 CADR above target	394	611 sq ft	Check CARB	$0.76	$59.99	Check price
LEVOIT LAP-C601S-AUS 284 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WCA 284 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WUS 284 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
Blueair Blue Signature 348 CADR above target	455	705 sq ft	Matched	$0.99	N/A	Check price
Medify Air MA-112 Pro 493 CADR above target	600	930 sq ft	Check CARB	$0.99	N/A	Check price
Medify Air MA-112 487 CADR above target	594	921 sq ft	Check CARB	$1.00	N/A	Check price
LEVOIT LAP-EL551S-AUS 247 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-AUSR 247 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-WUSB 247 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-P501S-WUSR 41 CADR above target	148	229 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA12 256 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA6 256 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
Honeywell HFD-120-Q 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell HFD140BWM 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell HFD230B 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HFD-120QC 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HFD-122C 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HFD140BC 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HPA160C 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HPA164C 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Taiwan) HPA030WTW 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Medify Air MA-25 3 CADR above target	110	170 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP0041UV 6 CADR above target	113	175 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP0041UVHR 6 CADR above target	113	175 sq ft	Check CARB	N/A	N/A	Check price