Head-to-head

Winix 5510 vs Coway Airmega AP-1512HH vs Levoit Core 600S vs Levoit Core 300S

Winix 5510

8.8 $179.99

Coway Airmega AP-1512HH

8.3 $168.99

Levoit Core 600S

8.4 $299.99

Levoit Core 300S

7.5 $149.99

Verdict

Winix

Our highest-grading purifier. 253 smoke CADR covers rooms to ~392 sq ft, True HEPA does the particle work, and the pelleted carbon bed handles cooking odors that thin-carbon rivals can't touch. All for ~$180. Switch PlasmaWave off and leave it off.

Coway Airmega AP-1

The bedroom default, and still an easy recommendation. AHAM-verified CADR strong enough to clean a typical bedroom at a quiet low speed, True HEPA, a washable pre-filter, and a 3-year warranty for under $200. The carbon is thin, so it's not your smoke or odor machine.

Levoit Core 600S

When a bedroom unit can't keep up. The 600S has the airflow to clean a 600-plus sq ft open room about every 12 minutes, with smart sensing, app control, and a quiet 26 dB sleep mode. It roars at 59 dB on turbo, but for big rooms it's the value muscle.

Levoit

The value benchmark for small-room cleaning: ~141 CADR for up to ~219 sq ft, a full smart suite (app, voice, auto mode, PM2.5 sensor), whisper-quiet sleep mode, and zero ozone — all around $100-150. Just keep it to small rooms and don't expect heavy-odor removal.

Best for

Winix

Pet households and shedding-pet owners who want a washable pre-filter that catches hair before the HEPA, plus strong dust, dander, and odor control in rooms up to ~370 sq ft — at a mid-range price with a smart app and auto mode.

Coway Airmega AP-1

Most bedrooms and medium-size rooms where you want verified CADR, quiet everyday use, and strong value for allergies or dust.

Levoit Core 600S

Large rooms, open layouts, smoke events, and households that want stronger airflow plus smart controls.

Levoit

Small to mid-size bedrooms, nurseries, offices, and kid's rooms up to ~219 sq ft where you want quiet, low-cost, app- and voice-controlled filtration with an air-quality sensor and auto mode — without paying for capacity you won't use.

Avoid if

Winix

Very large or open spaces over ~400 sq ft, anyone who needs whisper-quiet cleaning (it runs loud and slows at sub-45 dBA speeds), or buyers who want a feature-rich companion app.

Coway Airmega AP-1

large open layouts, heavy smoke events, or if you specifically want app control and a built-in air-quality display.

Levoit Core 600S

small bedrooms or desks where a quieter, cheaper, smaller purifier is enough.

Levoit

You need to cover a large or open-plan room, you want strong heavy-odor/VOC removal (limited carbon), or you rely on auto mode to aggressively chase low pollutant levels — its sensor calls fairly dirty air 'good,' so it tends to under-run.

Score breakdown

noise

Winix

8.5

Coway Airm

8.8

Levoit Cor

7.8

Levoit

9.2

filter cost

Winix

8.5

Coway Airm

8.0

Levoit Cor

8.0

Levoit

9.0

odor carbon

Winix

9.0

Coway Airm

6.5

Levoit Cor

6.0

Levoit

5.5

room size cadr

Winix

9.0

Coway Airm

8.5

Levoit Cor

9.8

Levoit

6.5

particle filtration

Winix

9.0

Coway Airm

9.2

Levoit Cor

9.0

Levoit

8.0

Specs

cadr

252 dust / 253 smoke / 247 pollen (cfm)

246 dust / 240 pollen / 233 smoke (AHAM-verified)

~410 CFM smoke (AHAM-verified)

141 cfm (240 m3/h), AHAM

type

Mid-to-large-room True HEPA purifier with PlasmaWave

Bedroom / medium-room True HEPA purifier

Large-room / open-layout smart HEPA purifier

Small-room smart HEPA-grade purifier

noise

~27.8 dB (sleep) to ~60 dB (max), across 5 fan speeds

24.4-53.8 dB(A) across speeds

~26 dB (sleep) to ~59 dB (turbo)

~24 dB (sleep, QuietKEAP) to ~50 dB (max)

ozone

PlasmaWave is a bipolar ionizer. It can be switched off, and we'd leave it off.

CARB certified. Optional Vital Ion mode emits trace ozone; it ships off and is best left off

—

CARB certified, no ionizer, zero ozone

power

Energy Star certified

~77W; Energy Star

~49W max

26W rated (vs 45W on the older Core 300)

weight

~13.3 lb

~12.3 lb

~13 lb

~6.95 lb

coverage

Up to ~392 sq ft

361 sq ft at 4.8 ACH (up to ~874 sq ft at 2 ACH)

~635 sq ft at ~4.8 ACH (Levoit markets up to ~3,175 sq ft at 1 ACH)

Up to ~219 sq ft (4.8 ACH); Levoit markets 1,051 sq ft at 1 ACH

warranty

2-year limited

3-year

—

1-year (2 with registration)

dimensions

13.6 x 8.3 x 22.2 in

16.8 x 18.3 x 9.6 in (W x H x D)

~12.3 x 12.3 x 23.6 in

8.7 in dia x 14.2 in tall

filtration

4-stage: washable pre-filter, pelleted AOC activated carbon, True HEPA, PlasmaWave

4-stage: washable pre-filter, activated-carbon deodorizer, True HEPA, optional Vital Ion

3-in-1: pre-filter, True HEPA (HEPA-grade in Sleep Mode), activated carbon (99.97% at 0.1-0.3 micron)

3-stage: pre-filter + HEPA-grade filter + activated carbon (VortexAir). Levoit dropped the 'True HEPA' label in 2023 after a dispute; still rated to capture 99.97% at 0.3 micron

fan control

5 fan speeds + Auto + Sleep mode

3 manual speeds + Auto + Eco mode

Multiple speeds + Auto + Sleep mode

3 speeds + Auto + Sleep mode

filter life

~$50/yr for genuine replacement filters; pre-filter is washable

True HEPA ~12 months; carbon ~6-12 months; pre-filter washable

Core 600S-RF replacement ~12 months; pre-filter washable

~6-8 months

smart features

Wi-Fi app control, air-quality sensor, auto mode

AQI sensor + color LED, filter indicator, timer; no Wi-Fi or app on the base model

Wi-Fi + VeSync app, Alexa/Google, AirSight Plus PM2.5 sensor, Auto/Sleep, light sensor, timer

VeSync Wi-Fi app, Alexa & Google voice, schedules, timers, PM2.5 laser sensor with color LED

Buy →Buy →Buy →Buy →

	Winix 5510 Winix	Coway Airmega AP-1512HH	Levoit Core 600S	Levoit Core 300S Levoit
Score	8.8	8.3	8.4	7.5
Price	$179.99	$168.99	$299.99	$149.99
Verdict	Our highest-grading purifier. 253 smoke CADR covers rooms to ~392 sq ft, True HEPA does the particle work, and the pelleted carbon bed handles cooking odors that thin-carbon rivals can't touch. All for ~$180. Switch PlasmaWave off and leave it off.	The bedroom default, and still an easy recommendation. AHAM-verified CADR strong enough to clean a typical bedroom at a quiet low speed, True HEPA, a washable pre-filter, and a 3-year warranty for under $200. The carbon is thin, so it's not your smoke or odor machine.	When a bedroom unit can't keep up. The 600S has the airflow to clean a 600-plus sq ft open room about every 12 minutes, with smart sensing, app control, and a quiet 26 dB sleep mode. It roars at 59 dB on turbo, but for big rooms it's the value muscle.	The value benchmark for small-room cleaning: ~141 CADR for up to ~219 sq ft, a full smart suite (app, voice, auto mode, PM2.5 sensor), whisper-quiet sleep mode, and zero ozone — all around $100-150. Just keep it to small rooms and don't expect heavy-odor removal.
Best for	Pet households and shedding-pet owners who want a washable pre-filter that catches hair before the HEPA, plus strong dust, dander, and odor control in rooms up to ~370 sq ft — at a mid-range price with a smart app and auto mode.	Most bedrooms and medium-size rooms where you want verified CADR, quiet everyday use, and strong value for allergies or dust.	Large rooms, open layouts, smoke events, and households that want stronger airflow plus smart controls.	Small to mid-size bedrooms, nurseries, offices, and kid's rooms up to ~219 sq ft where you want quiet, low-cost, app- and voice-controlled filtration with an air-quality sensor and auto mode — without paying for capacity you won't use.
Avoid if	Very large or open spaces over ~400 sq ft, anyone who needs whisper-quiet cleaning (it runs loud and slows at sub-45 dBA speeds), or buyers who want a feature-rich companion app.	large open layouts, heavy smoke events, or if you specifically want app control and a built-in air-quality display.	small bedrooms or desks where a quieter, cheaper, smaller purifier is enough.	You need to cover a large or open-plan room, you want strong heavy-odor/VOC removal (limited carbon), or you rely on auto mode to aggressively chase low pollutant levels — its sensor calls fairly dirty air 'good,' so it tends to under-run.
Score breakdown
noise	8.5	8.8	7.8	9.2
filter cost	8.5	8.0	8.0	9.0
odor carbon	9.0	6.5	6.0	5.5
room size cadr	9.0	8.5	9.8	6.5
particle filtration	9.0	9.2	9.0	8.0
Specs
cadr	252 dust / 253 smoke / 247 pollen (cfm)	246 dust / 240 pollen / 233 smoke (AHAM-verified)	~410 CFM smoke (AHAM-verified)	141 cfm (240 m3/h), AHAM
type	Mid-to-large-room True HEPA purifier with PlasmaWave	Bedroom / medium-room True HEPA purifier	Large-room / open-layout smart HEPA purifier	Small-room smart HEPA-grade purifier
noise	~27.8 dB (sleep) to ~60 dB (max), across 5 fan speeds	24.4-53.8 dB(A) across speeds	~26 dB (sleep) to ~59 dB (turbo)	~24 dB (sleep, QuietKEAP) to ~50 dB (max)
ozone	PlasmaWave is a bipolar ionizer. It can be switched off, and we'd leave it off.	CARB certified. Optional Vital Ion mode emits trace ozone; it ships off and is best left off	—	CARB certified, no ionizer, zero ozone
power	Energy Star certified	~77W; Energy Star	~49W max	26W rated (vs 45W on the older Core 300)
weight	~13.3 lb	~12.3 lb	~13 lb	~6.95 lb
coverage	Up to ~392 sq ft	361 sq ft at 4.8 ACH (up to ~874 sq ft at 2 ACH)	~635 sq ft at ~4.8 ACH (Levoit markets up to ~3,175 sq ft at 1 ACH)	Up to ~219 sq ft (4.8 ACH); Levoit markets 1,051 sq ft at 1 ACH
warranty	2-year limited	3-year	—	1-year (2 with registration)
dimensions	13.6 x 8.3 x 22.2 in	16.8 x 18.3 x 9.6 in (W x H x D)	~12.3 x 12.3 x 23.6 in	8.7 in dia x 14.2 in tall
filtration	4-stage: washable pre-filter, pelleted AOC activated carbon, True HEPA, PlasmaWave	4-stage: washable pre-filter, activated-carbon deodorizer, True HEPA, optional Vital Ion	3-in-1: pre-filter, True HEPA (HEPA-grade in Sleep Mode), activated carbon (99.97% at 0.1-0.3 micron)	3-stage: pre-filter + HEPA-grade filter + activated carbon (VortexAir). Levoit dropped the 'True HEPA' label in 2023 after a dispute; still rated to capture 99.97% at 0.3 micron
fan control	5 fan speeds + Auto + Sleep mode	3 manual speeds + Auto + Eco mode	Multiple speeds + Auto + Sleep mode	3 speeds + Auto + Sleep mode
filter life	~$50/yr for genuine replacement filters; pre-filter is washable	True HEPA ~12 months; carbon ~6-12 months; pre-filter washable	Core 600S-RF replacement ~12 months; pre-filter washable	~6-8 months
smart features	Wi-Fi app control, air-quality sensor, auto mode	AQI sensor + color LED, filter indicator, timer; no Wi-Fi or app on the base model	Wi-Fi + VeSync app, Alexa/Google, AirSight Plus PM2.5 sensor, Auto/Sleep, light sensor, timer	VeSync Wi-Fi app, Alexa & Google voice, schedules, timers, PM2.5 laser sensor with color LED
	Buy →	Buy →	Buy →	Buy →

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