12.5 kWDaikin Inverter Ducted 12.5kW Ducted System
The 12.5kW Daikin Inverter 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 Inverter Ducted range. For more bedrooms or a larger floor plan, the 14kW is the next step up.
The Daikin Inverter Ducted 12.5kW uses 1316 kWh annually for cooling and 2500 kWh for heating under official GEMS testing in Sydney's climate zone. These figures reflect typical usage patterns and allow you to calculate running costs against current electricity rates. The system achieves a cooling efficiency rating of 2 stars and heating efficiency of 1.5 stars in the Sydney zone.
The Daikin's inverter compressor delivers a rated cooling efficiency (AEER) of 3.13 and heating efficiency (ACOP) of 3.70, meaning it produces that many units of heating or cooling output for each unit of energy consumed. It operates on R32 refrigerant. Your actual energy consumption will vary depending on how often you run the system, your temperature settings and how well your home is sealed and insulated.
Source: Australian GEMS registry · median of 150 Sydney residential tariffs · Refreshed monthly · Last updated July 2026
Specifications
From the manufacturer’s published range data. We confirm the exact configuration when we quote.
About the Daikin Inverter Ducted range| Brand | Daikin |
|---|---|
| Model | FDYAN125AV1 / RZA125C2V1 / RZA125C2Y1 |
| Series | Daikin Inverter Ducted |
| System type | Ducted System |
| Capacity | 12.5 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
Daikin Inverter Ducted 12.5kW: your questions
How much does a 12.5kW ducted system cost installed?
Installed cost for a ducted system depends on the number of zones, duct runs and outlets, roof space access, whether the outdoor unit needs single or three phase power, and any switchboard work. That is why we quote each home individually rather than publishing a flat rate. Call or email with your floor plan or photos and we give you a fixed quote, usually the same day.
What size home does a 12.5kW ducted system suit?
As a guide, 12.5kW of cooling covers roughly 81 to 100 square metres of conditioned area, typically run as zones so you are not cooling the whole home at once. Ceiling height, insulation and glass move that band, so we confirm sizing from your floor plan before anything is ordered. Our capacity calculator gives you a quick starting point.
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