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.
Part of the Daikin Slimline Ducted range, Daikin's ducted system line, in 9 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 12.5 kW options, or ask about supply and installation.
About $980 a year at the current Sydney median electricity rate: $366 of cooling plus $614 of heating, from the official GEMS test figures.
The Daikin Slimline Ducted 12.5kW uses 1104 kWh annually for cooling and 1853 kWh annually for heating according to official GEMS test data for Sydney's climate zone. These figures form the basis of your running cost estimate, which updates with current Sydney electricity rates. The system carries a 3-star energy rating for cooling and 2.5-star rating for heating under the zoned energy label for Sydney.
Efficiency is measured by the rated AEER of 3.36 for cooling and rated ACOP of 3.82 for heating. The system operates on R32 refrigerant. Your actual energy consumption will depend on how you use the air conditioner, your home's insulation and size, outdoor temperature, and how you set the thermostat.
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 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
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Model AC120TNHPKG / AC120TXAPKG. Whole home, SmartThings
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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