| key specs | 
| Capacity | 1.5 Ton | 1.5 Ton | 
| Star Rating | 3 Star | 5 Star | 
| Type | Split | Inverter Split | 
| Condenser Coil | Copper | Aluminium | 
| Power Requirement | AC 230 V, 50 Hz | AC 220 - 240 V, 50 Hz | 
| Power Consumption | 1720 W | 1390 W | 
| Dimensions | 970 mm x 300 mm x 225 mm | 1065 mm x 243 mm x 298 mm | 
| Technology | Cold Plasma | - | 
| general | 
| Brand | Blue Star | Samsung | 
| Model | 1.5 Ton 3 Star Split AC (3CNHW18OATU) | 1.5 Ton 5 Star Inverter Split AC (AR18NV5HETU) | 
| Model Name | 3CNHW18OATU | AR18NV5HETU | 
| Type | Split | Inverter Split | 
| Capacity | 1.5 Ton | 1.5 Ton | 
| Star Rating | 3 Star | 5 Star | 
| BEE Rating Year | 2018 | 2018 | 
| Colours | White | White | 
| Cooling Capacity | 5260 W | 5000 W | 
| Compressor | Inverter Rotary | 8-pole | 
| Refrigerant | R32 | - | 
| Operating Modes | Auto/Cool/Fan/Dry, Fan Modes Auto/High/Medium/Low, Energy Saver | 2 Step Cooling, Fast Cool, Comfort Cool, Good Sleep, Auto Mode, Fan Mode | 
| Dehumidification | No | Yes | 
| Condenser Coil | Copper | Aluminium | 
| Remote Control | Yes | Yes | 
| Technology Used | Cold Plasma | - | 
| Cooling and Heating | - | No | 
| dimensions | 
| Indoor W x H x D | 970 mm x 300 mm x 225 mm | 1065 mm x 243 mm x 298 mm | 
| Indoor Unit Weight | 14 kg | 11 kg | 
| Outdoor W x H x D | 899 mm x 596 mm x 378 mm | 1023 mm x 750 mm x 413 mm | 
| Outdoor Unit Weight | 37.5 kg | 40 kg | 
| Other Dimensions | Suction Tube Size Outer Diameter: 12.7 mm, Liquid Tube Size Outer Diameter: 6.35 mm, Maximum Piping Capability Total: 25 m, Maximum Piping Capability Vertical: 10 m, Refrigerant Additional Charge Beyond 4 M: 15 g/m | Outdoor Gross Weight: 42.6 kg | 
| performance features | 
| Indoor Noise Level | High - 44 dB, Low - 35 dB | High - 46 dB, Low - 24 dB | 
| Panel Display | Yes | Yes | 
| Cooling Coverage Area | NA sq ft | - | 
| Turbo Mode | Yes | - | 
| ISEER | 3.55 W/W | 3.6 W/W | 
| power features | 
| Power Requirement | AC 230 V, 50 Hz | AC 220 - 240 V, 50 Hz | 
| Power Consumption | 1720 W | 1390 W | 
| Other Power Features | Rated Cooling Capacity 50% Load: 2630 W, Cooling Power Input 50% Load: 741 W, Electricity Consumed in 1600 Hours Units/Year: 1147.82, Running Current: 7.47 A | - | 
| Operating Current | - | 7 A | 
| body and design features | 
| Evaporator Fin Type | Hydrophilic Blue | - | 
| Condenser Fin Type | Anti Corrosive Blue | - | 
| air flow and filter features | 
| Other Air Flow Features | Airflow Volume Wet: Medium/Low - 359/306 CFM, Moisture Removal: 2 L/hrs, Motorised - Horizontal Louvre/Vertical Swing, Motorised- Vertical Louvre/Horizontal Swing, Airflow Direction Control | Air Direction Control (Left/Right): Manual, Air Direction Control (Up/Down): Auto | 
| Air Circulation | 424 CFM | - | 
| Anti-bacteria Filter | Yes | Yes | 
| Dust Filter | Yes | Yes | 
| Active Carbon Filter | Yes | No | 
| Other Filter Features | Catechin, Silver Ion, Anti-Acarien, Vitamin C | Auto Clean (Self Cleaning), Anti-Bacteria | 
| Auto Air Swing | - | Yes | 
| Deodorizing Filter | - | No | 
| remote control features | 
| Night Glow Buttons | Yes | - | 
| Other Features | Large LCD with Back Light | - | 
| convenience features | 
| Auto Restart | Yes | Yes | 
| Quiet Mode | No | Yes | 
| Timer | Yes | Yes | 
| Sleep Mode | Yes | Yes | 
| Memory Feature | Yes | - | 
| Self Diagnosis | Yes | - | 
| Other Convenience Features | Acoustic Jacket on Compressor, Timer On/Off | Auto Clean (Self Cleaning), Digital Display, Beep On / Off, 24-Hour Timer / Real Timer | 
| warranty | 
| Warranty Summary | 1 Year on Product and 10 Years Compressor Warranty | 5 Years on Condenser and 10 Years on Compressor |