Winix 5510

Rank 2 of 13 robots for large rooms in our ranking, tested by .in our ranking, tested by

Score 7.8 out of 10

Lab tests, 60% of the score: no lab has tested it.

Owners’ ratings, 25%: none yet at the stores that ship to the United States, so this part is left out and the others count for more.

Features, 15%: 7.8, 62 of the 80 points for the facts the maker states.

Price does not count, so a discount never lifts a model. Only robots a lab has tested are ranked.

The highest score today is 8.4.

How we work this out

Which robot is right for your home? Find out in 7 questions →

Before you buy, compare it with 2 recommended alternatives

No store here sells this model today, so beside it the highest-scored model with the same kind of station that one does, and the cheapest of the top 10.

Green is the best of these 3, also when they share the lead.

Price and ranking
	This model Winix 5510	Cheapest of the top 10 Levoit Vital 200S-P Best on 1 fact	Highest score here Levoit Core 400S-P Best on 1 fact
Lowest price	–	$189Levoit (brand store) best	$219Levoit (brand store)
Score			best
Rank	rank 2 of 13 for large rooms	rank 5 of 13 for large rooms	rank 1 of 13 for large rooms
Customer rating	–	–	–
Station
Room size same on all	large rooms	large rooms	large rooms
Size, noise and age
On the market since	–	June 2023	June 2023

Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.

Prices per store

All prices include shipping to the United States. Sales tax is added at checkout. We may earn a commission when you buy through these links. It never changes our ranking.

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Winix 5510 specifications

The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.

Clean air delivery rate (CADR)253 cfm

Room size we compare on385 ft²

Noise at the lowest speed24 dB

Filter life12 months

Power at the highest speed65 W

Consumables: The filter lasts about 12 months.

Cleaning performance 7 facts

Clean air delivery rate (CADR) How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster.: 253 cfm (430 m³/h)
CADR measured to The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not.: AHAM AC-1 (US standard)
CADR for smoke The CADR measured with tobacco smoke, the finest of the three test particles. It is the figure to read for wildfire smoke.: 253 cfm (430 m³/h)
CADR for dust The CADR measured with dust.: 252 cfm (428 m³/h)
CADR for pollen The CADR measured with pollen.: 247 cfm (420 m³/h)
CADR for fine particles (PM2.5) The CADR measured for particles under 2.5 microns.: 252 cfm (428 m³/h)
Room size we compare on The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule.: 385 ft² (36 m²)

Filter 2 facts

HEPA filter class How fine the filter is. True HEPA and H13 catch at least 99.97% of particles at 0.3 microns. HEPA-type is a weaker claim with no test behind it.: True HEPA
Activated carbon filter A filter of activated carbon that takes out smells and some gases. It does not catch particles.: yes

Running costs 1 fact

Filter life How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.: 12 months

Noise and power 2 facts

Noise at the lowest speed The sound level at the lowest speed, as the maker measures it.: 24 dB
Power at the highest speed The power the purifier draws at its highest speed.: 65 W

Air quality sensing 1 fact

Automatic mode The fan speed follows the air quality the sensor reads.: yes

Smart features and warranty 1 fact

App control: Wi-Fi

Extras 1 fact

CARB certified Certified by the California Air Resources Board as making little ozone.: yes

Warranty and certification 2 facts

AHAM Verifide certified The CADR is verified by AHAM, the US trade body that runs the test.: yes
Warranty The warranty the maker gives in the United States.: 2 years

Sources: ahamdir.com · winixamerica.com · ww2.arb.ca.gov

Our score

Confidence: medium. One lab and fewer than 300 owners’ ratings. The highest score today is 8.4.

Lab tests 60%–

Left out, so the other parts count for more.
Owners’ ratings 25%–

Owners’ ratings, 25%: none yet at the stores that ship to the United States, so this part is left out and the others count for more.
Features 15%7.8

62 of 80 points for the facts the maker states.

Price never countsA sale can’t lift a model. Today’s lowest price sits beside the score, checked every morning.
No test, no rankOnly robots a lab has tested are ranked. The rest get a provisional score.
Reviewers beside, not insideReviewers’ picks are shown next to the score and do not count in it.

How we work this out →

Frequently asked questions about the Winix 5510

What size of room is the Winix 5510 for?

The Winix 5510 is sized for a room of about 385 ft², the room size we compare it on. Its clean air delivery rate (CADR) is 253 cfm, measured to AHAM AC-1 (US standard).

How often does the Winix 5510 need a new filter?

The maker gives the filter a life of 12 months.

Does the Winix 5510 make ozone?

It is CARB certified, which means it stays under California’s limit of 50 parts per billion of ozone.

Is the Winix 5510 good for wildfire smoke?

Its CADR for smoke is 253 cfm. A higher number clears smoke from a room faster, so compare it with the size of your room.

The maker

Winix

Reviews on Trustpilot
Headquarters: South Korea

Winix develops and produces home appliances, including air purifiers. Its own site says it has done so for over 50 years and owns and operates 5 factories in South Korea, China and Thailand. Its head office is in Gyeonggi-do in South Korea, and Winix America Inc. serves the US from Bannockburn, Illinois.

winixamerica.com