18 kWDaikin Inverter Ducted 18kW Ducted System
The 18kW Daikin Inverter Ducted is sized for large two-storey family homes. As a guide it covers roughly 120 to 144m² of conditioned floor area, depending on zoning, insulation and ceiling height. It is the largest capacity in the Daikin Inverter Ducted range. For a smaller floor plan the 15.5kW avoids paying for unused capacity.
The Daikin Inverter Ducted 18kW uses 2280 kWh annually for cooling and 3811 kWh annually for heating under official GEMS testing for Sydney's climate zone. These figures account for typical use patterns in Sydney and provide a reliable basis for calculating your running costs once applied to current local electricity rates.
The system carries a 1.5-star cooling efficiency rating and 1-star heating efficiency rating for Sydney. It achieves a rated cooling efficiency (AEER) of 3.00 and heating efficiency (ACOP) of 3.18. Your actual energy consumption will depend on thermostat settings, usage patterns and how well your home is 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 | FDYQN180LCV1 / RZQ180M2Y1 |
| Series | Daikin Inverter Ducted |
| System type | Ducted System |
| Capacity | 18 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
