Blueair Blue Pure 211i Max vs Winix 5500-2 Air Purifier
Side-by-side comparison of features, pricing, ratings, and alternatives.

The Blueair Blue Pure 211i Max uses HEPASilent technology to capture 99.97% of airborne particles as small as 0.1 µm, making it ideal for allergy sufferers and homes with pets. Its large‑room coverage of up to 540 sq ft ensures clean air throughout open‑plan living spaces. With an intuitive auto mode, the unit continuously monitors air quality and adjusts fan speed for optimal performance, while the washable pre‑filter captures coarse dust and extends filter life. Wi‑Fi connectivity lets you control the purifier via the Blueair Friend app, set schedules, and receive real‑time air‑quality updates.
The Winix 5500-2 Air Purifier is designed to capture 99.97% of particles as small as 0.3 microns, including dust, pollen, pet dander, and other allergens. It features a washable carbon filter and PlasmaWave technology to neutralize pollutants and odors. This air purifier is ideal for medium to large-sized rooms, up to 360 square feet.
- High CADR for large‑room coverage
- Auto mode optimizes performance without user intervention
- Washable pre‑filter reduces ongoing filter costs
- Smart app control and real‑time air‑quality data
- Effective at removing allergens and irritants from the air
- Has a low noise level, making it suitable for bedrooms and living rooms
- Comes with a 5-year warranty and is Energy Star certified
- Has a washable carbon filter that can be cleaned and reused multiple times
- Main filter replacement can be pricey
- No built‑in ionizer for additional odor control
- Limited color options
- May not be as effective in very large rooms or spaces with high levels of pollution
- Some users may find the design to be bulky or unattractive
- Replacement filters can be expensive
More alternatives & similar tools
Alternatives to Blueair Blue Pure 211i Max
View all →Large-room smart HEPA purifier with swappable filter types for specific air problems.
Alternatives to Winix 5500-2 Air Purifier
View all →
HEPASilent purifier for large rooms with auto mode and washable pre‑filters.
High-airflow H13 HEPA tower purifier with a glass panel and simple touch controls.
The Verdict
AI-generated from listing dataThe Winix 5500-2 is a budget‑friendly, energy‑efficient purifier for medium rooms, while the Blueair Blue Pure 211i Max costs more but offers larger coverage, smart controls, and higher CADR.
Key differences
- •Room coverage: Winix up to 360 sq ft vs Blueair up to 540 sq ft.
- •Smart features: Winix has none; Blueair includes Wi‑Fi app control and auto‑mode AQ monitoring.
- •Power draw: Winix uses 6.5 W vs Blueair 45 W at max fan.
- •Filter cost: Winix’s washable carbon filter reduces replacements; Blueair’s main filter is pricey and non‑washable.
- •Noise floor: Winix is low‑noise (unspecified exact dB) while Blueair’s lowest setting is 31 dB.
Pricing & value
Winix MSRP $199.99 vs Blueair $599, giving Winix a far lower upfront cost.
Room coverage
Winix covers up to 360 sq ft; Blueair covers up to 540 sq ft, better for large living spaces.
Energy efficiency & running cost
Winix consumes 6.5 W; Blueair consumes 45 W at maximum, making Winix cheaper to run.
Noise level
Blueair specifies 31 dB on low setting; Winix’s noise level is described only as low, no exact figure.
Size & footprint
Winix dimensions 15×8.2×23.6 in; Blueair 15.5×15.5×23.5 cm (≈6.1×6.1×9.3 in), making Winix taller but narrower; overall footprint smaller for Winix.
Features
Blueair adds Wi‑Fi, auto‑mode AQ monitoring, and app control; Winix has none.
Ease of cleaning / maintenance
Winix’s washable carbon filter can be reused; Blueair only has a washable pre‑filter, main filter must be replaced.
Choose Blueair Blue Pure 211i Max if…
Owners of large open‑plan spaces who want smart control and higher CADR despite higher price.
Choose Winix 5500-2 Air Purifier if…
Allergy‑sensitive renters or small‑to‑medium homes seeking low cost and low power use.
Common questions
Which unit is cheaper to buy and run?
Winix costs $199.99 and uses 6.5 W; Blueair costs $599 and uses 45 W at max, so Winix is cheaper both upfront and in electricity.
Can I control the purifier from my phone?
Only the Blueair Blue Pure 211i Max offers Wi‑Fi connectivity and a mobile app; the Winix 5500-2 has no smart features.
Will either model work in a 500 sq ft living room?
Blueair is rated for up to 540 sq ft, so it will cover 500 sq ft; Winix is rated for up to 360 sq ft and may be insufficient.