![]() $99.99  | 
            
                ![]() $159.00  | 
        |
|---|---|---|
| 
                
                    BlueAir Blue Pure 511 Medium Rooms airpurifier
                
                 $99.99  | 
            
                
                    PuroAir 240 Hepa 14 Large Rooms airpurifier
                
                 $159.0  | 
        |
| *MAJOR DIFFERENCES* | RANK 9 | RANK 11 | 
| VALUE FOR MONEY | Better Buy | Not Better | 
| Reasons to Consider | ||
| PROS | 
                Upto 864sqft Air Purifying Capacity H13 HEPA filter  | 
            
                Upto 1115ft² Air Purifying Capacity H14 HEPA filter  | 
        
| Reasons to Avoid | ||
| CONS | No Air Quality Indicator | No Air Quality Display | 
| Brand | ||
| Name | BlueAir | PuroAir | 
| Launch | ||
| Launch Month | December 2020 | |
| Purifying Technology | ||
| PreFilter | Yes | Yes | 
| HEPA Filter | H13 True HEPA filter(HEPA Silent) | H14 True HEPA filter | 
| Active Carbon Filter | Yes | Yes | 
| PM2.5 sensor | Yes | - | 
| Gas sensor | - | - | 
| UV-C Light Sanitization | - | - | 
| Filter Change Indicator | Yes | Yes | 
| Specification Met | AHAM Certified | ETL Certified | 
| Performance | ||
| Room size (NRCC) | Upto 864sqft | Upto 1115ft² | 
| Clean Air Delivery Rate(CADR) | 
                180CFM 305.2m³/h  | 
            
                240CFM 407.7m³/h  | 
        
| Cleaning time for a room | 864sqft per 60mins | 1115sqft per 60mins | 
| Filtration | HEPA, Active Carbon, Prefilter | HEPA, Active Carbon, Prefilter | 
| Air quality sensor(s) | Yes | - | 
| Particle filtration | 99.97% at 0.1 microns(PM2.5) | 99.97% at 0.03microns | 
| Pet Allergens filtration | Yes | 99.99% | 
| Bacteria & Aerosol filtration | Yes | Yes | 
| Usability | ||
| Min. sound level (Sleep mode) | 30DB | 20DB | 
| Max. sound level (Max mode) | 52DB | 50DB | 
| Automatic mode | Yes | Yes | 
| Sleep mode | Yes | Yes | 
| Air quality feedback | Yes | - | 
| Auto-ambient light | Yes | - | 
| Day modes | 3(Low,Medium,High) | 
                3(Low,Medium,High) Modes automatically adjusted by Air Quality Sensors  | 
        
| Night modes | 2 (Sleep,Timer) | Sleep,Timer 2-4-6-8 hours | 
| Cord length | 
                1.8m 6ft  | 
            
                1.8m 6ft  | 
        
| Special | - | - | 
| Connectivity | ||
| App, connects via Wi-Fi | - | - | 
| Smartphone compatibility | - | - | 
| Voice control | - | - | 
| Bluetooth | - | - | 
| Controls | Touch Buttons | Touch Controls | 
| User Interface | ||
| Digital Display | Yes | - | 
| Air Quality Display | - | - | 
| Modes | Sleep,Timer,Auto(1,2,3) | Sleep,Auto | 
| Energy efficiency | ||
| Max. power consumption | 40W | 23W | 
| Stand-by power consumption | Less than 2W | - | 
| Rated Voltage | 120V | 120V | 
| Maintenance | ||
| Recommended filter change | 6-9months | 3-6months | 
| Replacement filter | H13 HEPA | H14 HEPA | 
| Service | 2-year worldwide guarantee | 1year Warranty | 
| Dimensions | ||
| Depth | 
                7.9inch 20cm  | 
            
                10.6inch 27cm  | 
        
| Width | 
                7.9inch 20cm  | 
            
                10.6inch 27cm  | 
        
| Height | 
                13.9inch 35.3cm  | 
            
                28inch 71.1cm  | 
        
| Weight | 
                5.3pounds 2.4kg  | 
            
                8pounds 3.6kg  | 
        
| Sales Package | ||
| Net contents | 1 AirPurifier | 1 AirPurifier | 
| Product Page | ||
| Amazon Shop | BlueAir Blue Pure 511 Medium Rooms | PuroAir 240 Hepa 14 Large Rooms | 
10 Best airpurifier 2025
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