| key specs | 
| Capacity | 1.5 Ton | 1.5 Ton | 
| Star Rating | 3 Star | 3 Star | 
| Type | Split | Inverter Split | 
| Condenser Coil | Copper | Copper | 
| Power Requirement | AC 230V, 50Hz | AC 230V, 50Hz | 
| Dimensions | 92 cm x 32 cm x 24 cm | 94 cm x 27.5 cm x 20.5 cm | 
| Technology | Turbo Cool Technology | Flexicool Technology, 4-in-1 AC Technology | 
| Power Consumption | - | 1700 W | 
| general | 
| Brand | Carrier | Carrier | 
| Model | 1.5 Ton 3 Star Split AC (CAS18ES3R30F1) | 1.5 Ton 3 Star Inverter Split AC (Ester CAI18ES3R30F1) | 
| Model Name | CAS18ES3R30F1 | Ester CAI18ES3R30F1 | 
| Type | Split | Inverter Split | 
| Capacity | 1.5 Ton | 1.5 Ton | 
| Star Rating | 3 Star | 3 Star | 
| BEE Rating Year | 2022 | 2022 | 
| Colours | White | White | 
| Cooling Capacity | 5200 W | 5150 W | 
| Compressor | Rotary | DC Inverter Compressor | 
| Refrigerant | R-32 | R - 32 | 
| Operating Modes | Auto Mode, Sleep Mode, Dry Mode | Flexicool (50%, 75%, 100% Power), Auto Mode, Sleep Mode, Dry Mode | 
| Dehumidification | Yes | Yes | 
| Condenser Coil | Copper | Copper | 
| Remote Control | Yes | Yes | 
| Technology Used | Turbo Cool Technology | Flexicool Technology, 4-in-1 AC Technology | 
| Release date | - | December 28, 2021 | 
| Cooling and Heating | - | No | 
| dimensions | 
| Indoor W x H x D | 92 cm x 32 cm x 24 cm | 94 cm x 27.5 cm x 20.5 cm | 
| Indoor Unit Weight | 12.2 kg | 10.3 kg | 
| Outdoor W x H x D | 78 cm x 54 cm x 25 cm | 78 cm x 54 cm x 25 cm | 
| Outdoor Unit Weight | 33.5 kg | 25.5 kg | 
| performance features | 
| Indoor Noise Level | High - 44dB, Low - 38dB | High - 42 dB, Low - 37 dB | 
| Indoor Temperature Indicator | Yes | Yes | 
| Cooling Coverage Area | 111 - 150 sq ft sq ft | 111-150 sq.ft | 
| Turbo Mode | Yes | Yes | 
| ISEER | 3.6 W/W | 3.85 W/W | 
| Panel Display | - | Yes | 
| power features | 
| Power Requirement | AC 230V, 50Hz | AC 230V, 50Hz | 
| Operating Current | 8.2 A | 8.2 A | 
| Other Power Features | Power Requirement Phase: 1 | Power Requirement Phase: 1 | 
| Power Consumption | - | 1700 W | 
| body and design features | 
| Evaporator Fin Type | Hydrophilic Coated Fins | Hydrophilic Coated Fins | 
| Condenser Fin Type | Hydrophilic Coated Fins | Hydrophilic Coated Fins | 
| Stepped Louvers | Yes | Yes | 
| air flow and filter features | 
| Air Flow Direction | 2 Way Air Direction | 2 Way Air Direction | 
| Other Air Flow Features | 4 Step Fan Speed | 4 Step Fan Speed | 
| Air Circulation | 700 CFM | 580 CFM | 
| Dust Filter | Yes | Yes | 
| Other Filter Features | PM 2.5 Filter, HD Filter | PM 2.5 Filter, HD Filter | 
| Auto Air Swing | - | No | 
| Anti-bacteria Filter | - | No | 
| Active Carbon Filter | - | No | 
| Deodorizing Filter | - | No | 
| remote control features | 
| Battery Type | 2 | 2 | 
| Other Features | Dry Mode, Auto Fan Speed, Follow Me, Auto Mode, Auto Restart, Turbo Mode, My Mode (Favourite Mode) | Flexicool (50%, 75%, 100% Power), Auto Mode, Auto Swing, Follow Me, Auto Restart, My Mode (Favourite Mode) | 
| LED Backlit Buttons | - | No | 
| Night Glow Buttons | - | No | 
| convenience features | 
| Auto Restart | Yes | Yes | 
| Timer | Yes | Yes | 
| Sleep Mode | Yes | Yes | 
| Emergency Operational Button | Yes | Yes | 
| Quiet Mode | - | No | 
| Memory Feature | - | No | 
| Self Diagnosis | - | No | 
| warranty | 
| Warranty Summary | 1 Year Warranty on Product and 5 Years on Compressor | 1 Year warranty on Product, 5 (1+4) Years on PCB and 10 (1+9) Years on Compressor |