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Blue Pure 311i Max Smart Air Purifier for vs Blue Pure 511i Max Smart Air Purifier for

Ravvy scores Blue Pure 311i Max Smart Air Purifier for at 89.44 and Blue Pure 511i Max Smart Air Purifier for at 89.44. Blue Pure 311i Max Smart Air Purifier for takes the overall pick, best for medium-sized bedrooms or apartments where noise sensitivity is a priority..

Ravvy pick

BLUEAIR Blue Pure 311i Max Smart Air Purifier for Medium Rooms up to 2,107 Sq Ft HEPASilent Air Cleaner for Pets Allergies Smoke & Dust WiFi Air Purifier with Auto Mode Quiet Air Purifier for Bedroom
89.4

$229

This is a premium choice for light sleepers and design-focused users who want smart automation and low noise at the cost of proprietary, higher-priced replacement filters.

BLUEAIR Blue Pure 511i Max Smart Air Purifier for Bedroom & Small Rooms up to 1,138 Sq Ft, HEPASilent Air Cleaner for Pets, Allergies, Smoke & Dust, Quiet WiFi Air Purifier with Auto Mode White/ Slate
89.4

$119

Buy this if you need a near silent, smart air cleaner for a bedroom and can overlook the slightly higher cost of proprietary replacement filters.

How they score

FactorBlue Pure 311i Max Smart Air Purifier forBlue Pure 511i Max Smart Air Purifier for
Acoustic Comfort98–
Energy Efficiency96–
Maintenance Value72–
Smart Connectivity86.5–
Filtration Efficiency9594.2
Compactness–96
Noise Level–98
Operating Cost–72
Smart Features–91.5

Blue Pure 311i Max Smart Air Purifier for

What owners praise

  • Extremely low energy consumption at only 7.8 watts
  • QuietMark certified for near-silent operation on low settings
  • Effective 0.1 micron filtration captures smaller particles than standard HEPA
  • Real-time air quality monitoring via a responsive mobile app
  • Washable fabric pre-filters extend the life of the internal carbon filter

What to know first

  • Proprietary filters can be more expensive than generic alternatives
  • App setup may require a 2.4GHz WiFi band for initial connection
  • Lacks a dedicated remote control, relying heavily on the smartphone app

Skip it if budget-conscious shoppers wary of recurring costs

Blue Pure 511i Max Smart Air Purifier for

What owners praise

  • Extremely quiet 19 decibel operation
  • Smart app integration with air quality monitoring
  • HEPASilent tech captures particles down to 0.1 microns
  • Compact and lightweight 3 pound design
  • Washable fabric pre filter prolongs main filter life

What to know first

  • Proprietary replacement filters can be expensive
  • Effective CADR is limited to smaller rooms for peak performance
  • Simplified onboard controls rely heavily on the app

Skip it if large open plan living rooms or high ceiling basements

Specs side by side

SpecBlue Pure 311i Max Smart Air Purifier forBlue Pure 511i Max Smart Air Purifier for
UPC689122023021689122026619
ASINB0BN2LZ9JHB08KPJ76RR
ColorLight Grey (Wifi)White/ Slate
Wattage7.8 watts20 watts
Brand NameBLUEAIRBLUEAIR
Floor Area1858 square_feet526 square_feet
Unit Count1 Count1 Count
Filter TypeActivated CarbonActivated Carbon
Item Weight3.5 kg2.8 pounds
Noise Level23 db48 db
Part Number109538111178
Filter ClassHEPA Activated CarbonHEPA Activated Carbon

Other options in this category

WINIX 5530 Air Purifier (New Generation of 5500-2 with App Control) for Home Large Room Up to 1882 Ft² in 1 Hr, True HEPA, High Deodorization Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke
93.7

Best for tech-savvy homeowners and pet owners in large open-plan living spaces

  • True HEPA 0.01 micron filtration
  • AHAM Verified performance
  • Smart App and Auto Mode
$180
WINIX 5510 Air Purifier (New Generation of 5500-2 with App Support) for Home Large Room Up to 1881 Ft² in 1 Hr, True HEPA, High Deodorization Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke
93.7

Best for large open concept living spaces and homes with multiple pets.

  • 1881 sq ft coverage per hour
  • True HEPA 99.99 percent efficiency
  • Smart App and Voice Control
$180