4.8 kWLG DUALCOOL AI 4.8kW Split System
4.8 kW rated cooling (1.2 to 5.5 kW range) with 5.2 kW heating: the step-up for living rooms and open studies, holding the Smart line’s AI Air and ThinQ app control.
Part of the LG DUALCOOL with AI Air range, LG's split system line, in 6 sizes. Running costs below use the Sydney median rate; the Eastern Suburbs and Western Sydney pages cost systems on their own network tariffs. Check the size against your rooms, compare it with other 4.8 kW options, see every 5kW split system ranked by running cost, or ask about supply and installation.
About $358 a year at the current Sydney median electricity rate: $131 of cooling plus $227 of heating, from the official GEMS test figures.
The LG DUALCOOL AI 4.8kW uses 396 kWh per year for cooling and 684 kWh per year for heating, based on official government test data for Sydney's climate zone. The system carries a 3.5-star energy rating for cooling and a 2.5-star energy rating for heating under the zoned label. Running cost depends on your local electricity rate and how often you operate the system.
The LG DUALCOOL AI achieves an AEER of 3.23 for cooling and an ACOP of 3.79 for heating. The unit uses R32 refrigerant. Your actual energy consumption will vary based on your home's insulation, temperature settings, outdoor conditions and usage patterns.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs, including GST · Refreshed monthly · Last updated October 2026
Specifications
From the manufacturer’s published range data. We confirm the exact configuration when we quote.
About the LG DUALCOOL with AI Air range| Brand | LG |
|---|---|
| Model | AS18S1N/AS18S1U |
| Series | LG DUALCOOL with AI Air |
| System type | Split System |
| Capacity | 4.8 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
