Best air purifiers for 100 sq ft and dust

Target smoke CADR 40 using 3 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
100 x 8 x 3 / 60 = 40
AHAM 2/3 room-size cross-check: CADR >= 67

Model	Smoke CADR	AHAM room	CARB	Cost/CADR	Annual filter
LEVOIT LAP-C601S-WUSR 354 CADR above target	394	611 sq ft	Check CARB	$0.76	$59.99	Check price
LEVOIT LAP-C601S-AUS 351 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WCA 351 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WUS 351 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
Blueair Blue Signature 415 CADR above target	455	705 sq ft	Matched	$0.99	N/A	Check price
Medify Air MA-112 Pro 560 CADR above target	600	930 sq ft	Check CARB	$0.99	N/A	Check price
Medify Air MA-112 554 CADR above target	594	921 sq ft	Check CARB	$1.00	N/A	Check price
LEVOIT LAP-EL551S-AUS 314 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-AUSR 314 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-WUSB 314 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
WOZOYO Pure Air PA1 0 CADR above target	40	62 sq ft	Matched	N/A	N/A	Check price
Blueair 4612522000 42 CADR above target	82	127 sq ft	Matched	N/A	N/A	Check price
LEVOIT LAP-P501S-WUSR 108 CADR above target	148	229 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA12 323 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA6 323 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA7 0 CADR above target	40	62 sq ft	Check CARB	N/A	N/A	Check price
WOOZOO APF-10 1 CADR above target	41	64 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9260 3 CADR above target	43	66 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9260W 3 CADR above target	43	66 sq ft	Check CARB	N/A	N/A	Check price
IKEA E2111 4 CADR above target	44	68 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9260WR 6 CADR above target	46	71 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HPA060C 8 CADR above target	48	75 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HPA064C 8 CADR above target	48	75 sq ft	Check CARB	N/A	N/A	Check price
Blue Deduster 311 10 CADR above target	50	78 sq ft	Check CARB	N/A	N/A	Check price
CUCKOO CAC-I0510FW 12 CADR above target	52	80 sq ft	Check CARB	N/A	N/A	Check price