8.5 kWDaikin Slimline Ducted 8.5kW Ducted System
The 8.5kW Daikin Slimline 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 Slimline Ducted range. For more bedrooms or a larger floor plan, the 10kW 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 8.5 kW options, or ask about supply and installation.
About $612 a year at the current Sydney median electricity rate: $233 of cooling plus $379 of heating, from the official GEMS test figures.
The Daikin Slimline Ducted 8.5kW uses 805 kWh annually for cooling and 1312 kWh annually for heating, based on official GEMS registration testing for Sydney's climate zone. These figures reflect typical seasonal use patterns and allow you to calculate running costs using your current electricity rate.
The system carries a 2.5-star energy rating for both cooling and heating under the zoned labelling scheme for Sydney. It achieves a rated cooling efficiency (AEER) of 3.62 and heating efficiency (ACOP) of 3.92. The unit uses R32 refrigerant.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs · Refreshed monthly · Last updated September 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 | FBA85B |
| Series | Daikin Slimline Ducted |
| System type | Ducted System |
| Capacity | 8.5 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
