Best air purifiers for 100 sq ft and allergies

Target smoke CADR 54 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
100 x 8 x 4 / 60 = 54
AHAM 2/3 room-size cross-check: CADR >= 67

Model	Smoke CADR	AHAM room	CARB	Cost/CADR	Annual filter
LEVOIT LAP-C601S-WUSR 340 CADR above target	394	611 sq ft	Check CARB	$0.76	$59.99	Check price
LEVOIT LAP-C601S-AUS 337 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WCA 337 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WUS 337 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
Blueair Blue Signature 401 CADR above target	455	705 sq ft	Matched	$0.99	N/A	Check price
Medify Air MA-112 Pro 546 CADR above target	600	930 sq ft	Check CARB	$0.99	N/A	Check price
Medify Air MA-112 540 CADR above target	594	921 sq ft	Check CARB	$1.00	N/A	Check price
LEVOIT LAP-EL551S-AUS 300 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-AUSR 300 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-WUSB 300 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
Blueair 4612522000 28 CADR above target	82	127 sq ft	Matched	N/A	N/A	Check price
LEVOIT LAP-P501S-WUSR 94 CADR above target	148	229 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA12 309 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA6 309 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
Medify Air MA-12 Pro 0 CADR above target	54	84 sq ft	Check CARB	N/A	N/A	Check price
Medify Air MA-12 Pro W1 0 CADR above target	54	84 sq ft	Check CARB	N/A	N/A	Check price
Midea AMS150-CJ 1 CADR above target	55	85 sq ft	Check CARB	N/A	N/A	Check price
Midea MSF42B9ASV 1 CADR above target	55	85 sq ft	Check CARB	N/A	N/A	Check price
Midea MSF42B9AWT 1 CADR above target	55	85 sq ft	Check CARB	N/A	N/A	Check price
Bionaire 99000BAP 2 CADR above target	56	86 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9360 3 CADR above target	57	88 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9360-W 3 CADR above target	57	88 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9360-WR 3 CADR above target	57	88 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9360W 3 CADR above target	57	88 sq ft	Check CARB	N/A	N/A	Check price
Bionaire BAP9360WR 3 CADR above target	57	88 sq ft	Check CARB	N/A	N/A	Check price