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📋 Quick Buying Guide — Air Purifiers

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Quick Buying Guide — Air Purifiers

Room size: Match the purifier to your room size. Small rooms (up to 200 sq ft) need lower CADR. Large rooms (500+ sq ft) require higher airflow (300+ CFM).
Filter type: True HEPA (H13/H14) captures 99.97% of particles including allergens, dust, and pet dander. Add activated carbon for odors and VOCs.
CADR rating: Clean Air Delivery Rate measures effectiveness. Higher is better. Aim for 2/3 of room size minimum (e.g., 200 CFM for 300 sq ft room).
Noise level: Check decibel ratings if using in bedroom. Sleep mode should be under 30dB. Most purifiers are louder on high speed.
Running costs: Factor in replacement filter costs (every 6-12 months). HEPA filters typically cost $30-80 per set.
Smart features: WiFi models let you monitor air quality and control remotely. Voice control works with Alexa/Google Home.

Read our in-depth Air Purifiers buying guide →

Product	Brand	Price	Rating	1d	7d	Updated
Shark BreatheClear Smart Air Purifier, HP162BK, Charcoal	Shark	$329.99	4.5 ★	—	—	Sep 23
Clorox Large Room HEPA Air Purifiers for Home With True HEPA Filter	Clorox	$149.99	4.6 ★	—	—	Sep 23
DAYETTE Air Purifier for Home Large Room Up to 3000Ft², 2x H14 HEPA Filters	DAYETTE	$99.99	4.6 ★	—	—	Sep 23
Kenmore Air Purifier with H13 True HEPA Filter, Covers Up to 850 Sq.Foot	Kenmore	$63.99	4.4 ★	—	—	Sep 23
Air Purifier for Home/Bedroom with True HEPA Filter, Covers Up to 1,190 Ft²	Jafanda Air	$79.98	4.9 ★	—	—	Sep 23
Medify MA-14 Air Purifier with HEPA Filter \| 470 ft² per Hour for Smoke, Odors, Pollen,...	Medify Air	$88.99	4.6 ★	—	—	Sep 23
DREO MC710S Air Purifier Tower Fan, 45" 2-in-1 Smart Fan for Bedroom	DREO	$296.95	4.6 ★	—	—	Sep 23
Sans True HEPA Air Purifier for Extra Large Rooms (1,854 sq ft)	Sans	$469.00	4.4 ★	—	—	Sep 23
Air Purifiers for Home Pets Up to 3000Ft², Large Room Air Purifier with PM2.5 Air Quali...	Oterbear	$97.89	4.4 ★	—	—	Sep 23
LG PuriCare 360 Air Purifiers for Home, Large and Small Room, Bedroom, Up to 2,059 ft² ...	LG	$299.99	4.6 ★	—	—	Sep 23
Honeywell HEPA Air Purifier for Home and Small-Medium 938 Ft² Rooms, White	Honeywell	$159.99	4.6 ★	—	—	Sep 23
Nuwave Forever Smart Air Purifier for Home, Never Replace Air Filter System	Nuwave	$449.99	4.7 ★	—	—	Sep 23
VEWIOR Air Purifiers for Home/Bedroom Large Room up to 1800 ft²	VEWIOR	$56.99	4.5 ★	—	—	Sep 23
COWAY Air Purifiers for Home Bedroom up to 1,035ft² with HEPA Filter, Carbon Filter, Wa...	Coway	$196.15	4.4 ★	—	—	Sep 23
Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier, Circulator, Black	Honeywell	$259.99	4.5 ★	—	—	Sep 23
Winix 9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large	Winix	$299.99	4.4 ★	—	—	Sep 23
T356 New White Air Purifier for Home Large Room Bedroom Up to 1937 Ft² in 1 Hr With Dou...	Trucozie	$189.99	4.6 ★	—	—	Sep 23
Shark NeverChange Compact Pro Air Purifier 2 pack, HP0712GY1, Dark Grey	Shark	$299.99	4.2 ★	—	—	Sep 23
Shark BreatheClear Smart Air Purifier, HP162SD, Dune	Shark	$329.99	4.5 ★	—	—	Sep 23
CADPXS Shield-550 Air Scrubber 550 CFM with 3-Stage Filtration	CADPXS	$358.96	4.6 ★	—	—	Sep 23
Aerostar Air Filter 20x25x4 MERV 11 AC Filter, HVAC, Furnace Filter, 6 Pack	Aerostar	$143.82	4.3 ★	—	—	Sep 23
Air Purifiers for Home Bedroom Up to 1750ft², Auto Air Quality Monitor	VENDFO	$55.99	4.4 ★	—	—	Sep 23
BLUEAIR Air Purifiers with Sunrise Alarm Clock for Home Bedroom Dorm, Beige	BLUEAIR	$119.87	4.4 ★	—	—	Sep 23
AMEIFU Air Purifier for Large Room Up to 3500 Sq Ft, Dual HEPA Filter	AMEIFU	$127.81	4.5 ★	—	—	Sep 23
Air Purifiers for Home Large Room, Cover Up to 2400 Ft² with True HEPA Filter, Smart Mo...	ECOSELF	$89.99	4.6 ★	—	—	Sep 23
Air Purifiers for Home Large Room Up to 2216 Ft², 3-in-1 Filter, Black	Cobectal	$59.99	4.7 ★	—	—	Sep 23
DAYETTE Pet Air Purifier for Home Large Room 3400 Ft², TVOC & PM2.5 Sensors	Unbranded	$104.46	4.6 ★	—	—	Sep 23
Afloia Smart Air Purifier for Home Large Rooms Bedroom, Up to 1,076 sq ft	Afloia	$69.99	4.5 ★	—	—	Sep 23
SereneLife HEPA Air Purifier for Home – Smart WiFi & App Control, Ultra-Quiet Air Purif...	SereneLife	$65.64	4.6 ★	—	—	Sep 23
DREO Smart Air Purifier for Home, AHAM VERIFIDE Air Cleaner for Bedroom, Pets, Smoke, D...	DREO	$79.99	4.8 ★	—	—	Sep 23