12.5 kWDaikin Slimline Ducted 12.5kW Ducted System
The 12.5kW Daikin Slimline Ducted is sized for typical three-bedroom single-storey homes. As a guide it covers roughly 83 to 100m² of conditioned floor area, depending on zoning, insulation and ceiling height. It sits in the upper half of the Daikin Slimline Ducted range. For more bedrooms or a larger floor plan, the 14kW is the next step up.
Based on official government test data for Sydney's climate zone, the Daikin Slimline Ducted 12.5kW carries a 3-star cooling rating and a 2.5-star heating rating on the zoned energy label. Its rated AEER is 3.36 and ACOP is 3.82, meaning it delivers roughly 3.36kW of cooling and 3.82kW of heating for every kilowatt of electricity consumed.
Using the median Sydney residential electricity rate of 34.7 cents per kWh across 170 plans as of June 2026, annual running costs work out to approximately $383 for cooling, $643 for heating, and $1,026 combined. Annual energy consumption is 1,102kWh for cooling and 1,852kWh for heating. The system uses R32 refrigerant.
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 Daikin Slimline Ducted range| Brand | Daikin |
|---|---|
| Model | FBA125B |
| Series | Daikin Slimline Ducted |
| System type | Ducted System |
| Capacity | 12.5 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
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