20 kWDaikin Premium Inverter Ducted 20kW Ducted System
The 20kW Daikin Premium Inverter Ducted is sized for large two-storey family homes. As a guide it covers roughly 133 to 160m² of conditioned floor area, depending on zoning, insulation and ceiling height. It sits in the upper half of the Daikin Premium Inverter Ducted range. For more bedrooms or a larger floor plan, the 24kW is the next step up.
Part of the Daikin Premium Inverter Ducted range, Daikin's ducted system line, in 10 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 20 kW options, or ask about supply and installation.
About $1,570 a year at the current Sydney median electricity rate: $594 of cooling plus $976 of heating, from the official GEMS test figures.
The Daikin Premium Inverter Ducted 20kW uses 1792 kWh per year for cooling and 2947 kWh per year for heating under official government test conditions for Sydney's climate zone. These figures are based on GEMS registration data and represent standard test values, not measured usage in any specific home.
The system holds a 2.5-star energy rating for both cooling and heating. Its rated cooling efficiency (AEER) is 3.28 and heating efficiency (ACOP) is 3.76. It operates on R32 refrigerant. Your running costs depend on local electricity rates and how often you use 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 Premium Inverter Ducted range| Brand | Daikin |
|---|---|
| Model | FDYA200AV1 / RZAS200DY1 |
| Series | Daikin Premium Inverter Ducted |
| System type | Ducted System |
| Capacity | 20 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
Daikin Premium Inverter Ducted 20kW: your questions
How much does a 20kW 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 book a site visit if the job needs one, then give you a fixed quote in writing before any work starts.
What size home does a 20kW ducted system suit?
As a guide, 20kW of cooling covers roughly 129 to 160 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 20kW options
All ducted systems
Daikin Inverter 20kW
Model FDYQN200LCV1 / RZQ200MY1. Whole home, Zoning ready
Toshiba Digital Inverter 20kW
Model RAV-RM2241DTP-E2 / RAV-GM2241AT8-A-3-PHASE. Medium & high static, Commercial grade
Samsung Premium 20kW
Model AC200JNHFKH. Premium tier, High capacity