12.5 kWLG 12.5kW Ducted System
The 12.5 kW size of the LG Ducted, typically zoned across roughly 81 to 100 square metres of conditioned area depending on layout and insulation. Runs on single phase power. We confirm duct design and sizing from your floor plan before quoting.
Based on official government test data for Sydney's climate zone, the LG 12.5kW carries a 2.5-star cooling rating and a 2-star heating rating. Its rated AEER is 3.42 and ACOP is 3.56, meaning it delivers roughly 3.4 to 3.6 units of cooling or heating for each unit of electricity consumed.
Using the median Sydney residential electricity rate of 34.7 cents per kWh as of June 2026, the LG 12.5kW is estimated to cost around $418 per year to cool and $706 per year to heat, giving a combined annual running cost of approximately $1,124.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs · Refreshed monthly · Last updated June 2026
Specifications
From the manufacturer’s published range data. We confirm the exact configuration when we quote.
About the LG Ducted range| Brand | LG |
|---|---|
| Model | UU125WR3 |
| Series | LG Ducted |
| System type | Ducted System |
| Capacity | 12.5 kW |
Other 12.5kW options
All ducted systems
Samsung S2 Ducted 12.5kW
Model AC120TNHPKG / AC120TXAPKG. Whole home, SmartThings
Fujitsu Mid Static Slimline Ducted 12.5kW
Model ARTH45KMTAP. Whole home, Single & three phase
Toshiba Super Digital Inverter 12.5kW
Model RAV-GM1401DTP-A / RAV-GP1401ATP-A. High static, Top efficiency tier