Winix 5500-2: Specs, Features, Pros & Cons
This review measures the Winix 5500-2 against the full 22-spec sheet we track for Air Purifiers, comparing it like for like with the 31 other models in our database. It earns a VS Score of 54 out of 100 — the weighted result of every verified specification measured against the class average.
On the spec sheet it is strongest in filtration and weakest in design. Its clearest single advantage over the class average: a slightly higher CADR (smoke) — 232 CFM vs 212.72 CFM (avg). None of our retail partners currently lists the Winix 5500-2, so availability may be limited; a missing price never affects the VS Score.
Category strengths
Where the Winix 5500-2 beats the average
- Has true HEPA filter ?
- Has washable pre-filter ?
- A slightly higher CADR (smoke) ?232 CFM vs 212.72 CFM (avg)
- A slightly higher coverage area ?360 sq ft vs 333.52 sq ft (avg)
- Has air quality sensor ?
- Has auto mode ?
- More filtration stages ?4 vs 3.56 (avg)
- Has activated carbon filter ?
- Has timer ?
- Has sleep mode ?
Where the Winix 5500-2 trails the average
- No app control ?
- A higher min noise level ?27 dB vs 22.26 dB (avg)
- A lower filter life ?12 months vs 16.24 months (avg)
- No voice assistant ?
- A heavier build ?6.7 kg vs 5.29 kg (avg)
Editor’s note
Start with the status, because it changes the decision. Winix has discontinued the 5500-2. The product page is gone from Winix America, the model has dropped out of the live sitemap, and an Amazon search now steers you to the 5510 and 5530 successors. The specifications recorded here come from an archived capture of Winix's own page. Stock still circulates and the filters are still sold, but you would be buying a machine at the end of its life.
That matters less than it might, because the 5500-2 earned its long reputation honestly. It delivers 232 CFM of clean air across 360 square feet on the AHAM basis, through four filtration stages, with a True HEPA claim of 99.99% down to 0.003 micron, a washable carbon filter and a washable pre-filter. Because the carbon layer is washable rather than disposable, most of the $79.99 annual Filter H cost is the HEPA element alone.
It is resolutely analogue. No Wi-Fi, no app, no voice control – Winix's own sheet lists smart features as none. There is a sensor and an Auto mode, but the air-quality readout is a three-colour LED rather than a number. At 6.7 kilograms and 60 centimetres tall it is also the bulkiest thing here.
Winix never published a maximum noise level or a wattage for it, a gap that followed the model throughout its life.
I would buy this only at a genuine discount, and only if you are comfortable that support and spares will thin out over the next few years. At full price the C610 or the current 5510 make more sense, and both are still in production.
Specifications
Quality bars are generated automatically against 31 other air purifiers.
Performance
Clean Air Delivery Rate — how quickly smoke particles are scrubbed from the air.
The room size the purifier is rated to clean effectively.
How many times the air in the rated room is cycled each hour.
The number of filtration layers air passes through.
Filtration
A certified HEPA filter captures 99.97% of 0.3-micron particles.
The HEPA grade of the main filter (e.g. H13).
A carbon layer absorbs odours, smoke and VOCs.
Pellet-based carbon beds absorb more odour than thin coated sheets.
A rinseable pre-filter catches hair and large dust to extend filter life.
How long the main filter lasts before replacement.
Noise & power
The lowest-speed noise output; quieter suits bedrooms.
Noise at full speed; lower is better.
Maximum power draw; lower costs less to run continuously.
A dimmed, near-silent mode for overnight use.
Design
A lighter unit is easier to move between rooms.
The height of the unit.
Smart features
Measures particle levels to show and react to air quality.
Adjusts fan speed automatically based on measured air quality.
Control and monitor it from a phone app.
Works with Alexa and Google Assistant.
Tells you when the filter needs replacing.
Schedule the purifier to switch off automatically.
How the VS Score works — and what it can’t tell you
Every measurable spec is scored against the average of all the Air Purifiers we track: matching the class average scores 50, clearly beating it climbs towards 100, and each spec counts according to an editorial weight that reflects real-world impact — a battery-capacity gap moves the score far more than a colour-options list. The quality bars on the spec cards above show where this model sits inside the full range for its class, and the overall VS Score rolls every weighted result into one number.
Unknown values are never estimated. A spec this product doesn’t report simply drops out of its scoring — it isn’t penalised with a guess — but a thinner spec sheet does mean a score built on fewer data points, which is why completeness is disclosed under About this data.
Most importantly: a spec-sheet lead is not the same as a better product. Megapixels, gigahertz and benchmark points describe capacity, not experience — image processing, software optimisation, thermals, haptics and ergonomics decide how a device actually feels, and no table captures reliability or long-term support quality. Treat the VS Score as a structured summary of what can be measured, not a substitute for your own priorities.
About this data
- Specifications are compiled from each manufacturer’s official spec sheet, cross-checked against trusted specification databases, and normalised into one schema so identical things are compared identically.
- Specifications last verified August 18, 2026.
- Data completeness: 20 of the 22 specs in this category are verified (91%). Anything we could not verify is shown as Unknown — never estimated — and is excluded from the score.
- Prices and availability come from live retailer feeds via our shopping partners and refresh throughout the day; a missing price means no partner currently lists the product, not that it is discontinued.
- Want the full picture? Our editorial guidelines explain how we research products, weight the scores and stay independent.
- Spotted an error in a spec? Tell us and we will correct the sheet.
Air Purifiers with similar specs to the Winix 5500-2
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The bottom line
The Winix 5500-2 earns a VS Score of 54, a solid mid-pack result among the 32 air purifiers we compare here.
- Who it’s for
- Bargain hunters who find remaining stock at a real discount and want a proven, entirely offline purifier with washable pre- and carbon filters.
- Who should look elsewhere
- Anyone buying at full price, or who wants app control, a numeric air-quality readout, or confidence that spares and support will still exist in a few years.
- The trade-off that matters
- A well-proven design with cheap washable filters, set against a discontinued product line – fine at a discount, poor value at list price.
- The main alternative
- Winix C610 is the current equivalent, still in production, with app control and a single yearly filter, two of which come in the box.
The VS Score is generated automatically from the weighted specifications above, measured against all other air purifiers in our database. Treat it as a shortlisting guide — not a substitute for your own priorities.
