Coolbluewhite € 239
Deliveryabout 1 day
Returns30-day free returns
Winix Zero-S
Rank 3 of 5 air purifiers for large rooms in our ranking.in our ranking ★ 4.6 · 18 reviews
Score 6.1 out of 10
Owners’ ratings, 40%: 7.2, from 18 ratings averaging 4.6 stars at Coolblue.
Features, 60%: 5.3, 34 of the 64 points for the maker’s and the registers’ facts.
Price does not count, so a discount never lifts a model. Only air purifiers with a known CADR are ranked.
The highest score today is 8.7.
Is the Winix Zero-S right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
Beside it, two models on sale today that come closest to it on score and price, for the same room size where we have them.
Green is the best of these 3, also when they share the lead.
| This model Winix Zero-S | Lower score, 16% cheaper Coway Airmega AP-1512HH Mighty Best on 1 fact | Much better, not dearer Clean Air Optima CA-507 Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | € 239Coolblue | € 199bol.com best | € 237Expert |
| Score | best | ||
| Rank | rank 3 of 5 for large rooms | rank 4 of 5 for large rooms | rank 1 of 5 for large rooms |
| Customer rating | ★ 4.6 · 18 reviews | – | – |
| Room size | |||
| Room size same on all | large rooms | large rooms | large rooms |
| Size, noise and age | |||
| Height lower is better | 60 cm | – | – |
| On the market since | – | March 2020 | – |
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 shop
On 17 October 2026 the lowest price for the Winix Zero-S is € 239 at Coolblue, delivery to the Netherlands included. In our ranking it is rank 3 of 5 for large rooms, with a score of 6.1 out of 10.
All prices include VAT and delivery to the Netherlands. We may earn a commission when you buy through these links. It never changes our ranking.
Coolbluewhite * Shop abroad: delivery and VAT are our estimate. Returns are the shop's own terms, a marketplace seller sets its own. Tap a return term to read the shop's policy. Let your browser translate it.
Price history
Lowest price per day
Lowest since 17 Oct€ 239
Highest since 17 Oct€ 239
Price drops since 17 Oct0no drop seen yet
Winix Zero-S specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Clean air delivery rate (CADR)410 m³/h
Room size we compare on34 m²
Noise at the lowest speed27 dB
Filter life12 months
Power at the highest speed70 W
Running cost: Filters: about € 49 a year at today’s prices.
Consumables: The filter lasts about 12 months.
Cleaning performance 4 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.
- 410 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.
- Not stated
- 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.
- 34 m²
- Room size the maker claims
The room size the maker states. Makers use different rules, so we show it but never rank on it.
- 100 m²
Filter 5 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.
- H13 HEPA
- Filter layout
Whether the particle and carbon layers are one filter or separate ones. Separate filters let you replace only the part that is spent.
- Separate filters
- Activated carbon filter
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
- yes
- Filter parts
- 2
- Replacement filter part number
- Filter H
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 3 facts
- Noise at the lowest speed
The sound level at the lowest speed, as the maker measures it.
- 27 dB
- Noise at the highest speed
The sound level at the highest speed, as the maker measures it.
- 51 dB
- Power at the highest speed
The power the purifier draws at its highest speed.
- 70 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
Build 4 facts
- Height
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 60 cm
- Width
- 379 mm
- Depth
- 199 mm
- Weight
What the purifier weighs. It counts most if you move it from room to room.
- 7.5 kg
Warranty and certification 1 fact
- Maker model numbers
- AZSU350-JWE
Sources: winixeurope.eu · Manual
Our score
Confidence: medium. A CADR the maker states itself, or fewer than 300 owners’ ratings. The highest score today is 8.7.
-
Owners’ ratings 40%7.2
18 ratings, 4.6 stars on average, at Coolblue.
-
Features 60%5.3
34 of 64 points for the maker’s and the registers’ facts.
- Price never countsA sale can’t lift a model. Today’s lowest price sits beside the score, checked every morning.
- No CADR, no rankOnly air purifiers with a known CADR 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.
Frequently asked questions about the Winix Zero-S
What size of room is the Winix Zero-S for?
The Winix Zero-S is sized for a room of about 34 m², the room size we compare it on. Its clean air delivery rate (CADR) is 410 m³/h.
How often does the Winix Zero-S need a new filter?
The maker gives the filter a life of 12 months.
How loud is the Winix Zero-S?
The maker states 27 dB at the lowest speed and 51 dB at the highest.
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.
