8.5 kWDaikin Inverter Ducted 8.5kW Ducted System
The 8.5kW Daikin Inverter Ducted is sized for smaller homes, or zoning part of a larger one. As a guide it covers roughly 57 to 68m² of conditioned floor area, depending on zoning, insulation and ceiling height. It sits in the lower half of the Daikin Inverter Ducted range. For more bedrooms or a larger floor plan, the 10kW is the next step up.
Part of the Daikin Inverter Ducted range, Daikin's ducted system line, in 12 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 8.5 kW options, or ask about supply and installation.
About $800 a year at the current Sydney median electricity rate: $297 of cooling plus $503 of heating, from the official GEMS test figures.
The Daikin Inverter Ducted 8.5kW uses 897 kWh per year for cooling and 1519 kWh per year for heating under official GEMS test conditions for Sydney's climate zone. These figures reflect government-standard testing and will vary depending on your actual usage patterns, thermostat settings and home characteristics.
The system holds a 2-star energy rating for both cooling and heating on the zoned label for Sydney. Its rated cooling efficiency is 3.30 AEER and heating efficiency is 3.51 ACOP. The unit operates on R32 refrigerant. Your actual running costs depend on local electricity rates and how often you run the system.
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 Inverter Ducted range| Brand | Daikin |
|---|---|
| Model | FDYAN85AV1 / RZA85C2V1 / RZA85C2Y1 |
| Series | Daikin Inverter Ducted |
| System type | Ducted System |
| Capacity | 8.5 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |


