Philips AC3858/63 Room Air Purifier vs Philips Series 3000 AC3821/20 Room Air Purifier comparison
        
        
            
                
                    
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                    | key specs | 
| Type | Room | Room | 
| Filter Type | HEPA | HEPA | 
| Coverage Area | 710 sq.ft | 861 sq ft | 
| Air Flow Level | 550 cu.m/hr | 310 CMH | 
| Power Consumption | 60 W | 45 W | 
| Noise Level | - | 32 dB | 
| general | 
| Brand | Philips | Philips | 
| Model | AC3858/63 Room Air Purifier | Series 3000 AC3821/20 Room Air Purifier | 
| Model Name | AC3858/63 | Series 3000 AC3821/20 | 
| Type | Room | Room | 
| Filter Type | HEPA | HEPA | 
| Dimensions (mm) | 71.80 x 31.00 x 0.00 | 80.00 x 49.00 x 0.00 | 
| Depth | 31 cm | 39 cm | 
| Weight | 8 kg | 13.9 kg | 
| Shade | White | White | 
| Material | Plastic | Plastic | 
| Coverage Area | 710 sq.ft | 861 sq ft | 
| Control Type | Touch Button, Mobile App | Touch Sensitive Buttons | 
| Suitable For | Home, Office | House | 
| Technology Used | Aerasense Technology, Vitashield IPS, Nanoprotect HEPA | Vitashield IPS Filteration Technology | 
| Water Tank Capacity | - | 3.5 L | 
| performance features | 
| Air Flow Level | 550 cu.m/hr | 310 CMH | 
| Number of Speed Setting | 3 | 5 | 
| 3D Circulation Air Flow | Yes | - | 
| Ionizer | No | No | 
| UV Lamp | No | No | 
| Clean Air Delivery Rate | 550 CMH | 310 CMH | 
| Humidifier | No | Yes | 
| convenience features | 
| Indicators | Filter Status Indicator, PM 2.5 Indicator, Allergen index, Gas level indicator | PM 2.5 Indicator, Filter Replacement, 4 Color AQI Ring, Humidity Indicator | 
| Portable | Yes | Yes | 
| Display Type | LED | Digital | 
| Silent Mode | Yes | Yes | 
| Timer | No | Yes | 
| Automatic Shut Off | - | Yes | 
| Child Lock | - | Yes | 
| power features | 
| Power Requirement | 220-240V, 50Hz | - | 
| Power Consumption | 60 W | 45 W | 
| additional features | 
| Certification | ECARF, Airmid, iUTA, Quiet Mark, iF design | - | 
| Noise Level | - | 32 dB | 
| warranty | 
| Not Covered in Warranty | Filter | Physical Damage | 
| Warranty Summary | - | 2 Years Warranty | 
| Covered in Warranty | - | Manufacturing Defects | 
                
            
            
         
        
     
    
        
               
            
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