3.5 kWLG DUALCOOL AI 3.5kW Split System
3.5 kW rated cooling (0.89 to 4.05 kW range) and 3.7 kW heating, sized for larger bedrooms and home offices. Same low 200 W minimum power input as the 2.5 kW for gentle overnight running.
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 3.5 kW options, see every 3.5kW split system ranked by running cost, or ask about supply and installation.
About $248 a year at the current Sydney median electricity rate: $91 of cooling plus $157 of heating, from the official GEMS test figures.
The LG DUALCOOL AI 3.5kW uses 275 kWh per year for cooling and 473 kWh per year for heating, based on official GEMS energy label test data for Sydney's climate zone. The system carries a 3.5-star cooling energy rating and a 2.5-star heating energy rating under the zoned labelling scheme. Running costs depend on your local electricity rate and actual usage patterns.
The LG DUALCOOL AI achieves a rated cooling efficiency of 3.67 AEER and heating efficiency of 3.90 ACOP. The unit uses R32 refrigerant. Your installer can provide a personalised running cost estimate based on current Sydney electricity rates and your expected usage.
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 | AS12S0N/AS12S0U |
| Series | LG DUALCOOL with AI Air |
| System type | Split System |
| Capacity | 3.5 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
