Daikin Underfloor Ducted
26
models on the register
Short answer
26 Daikin Underfloor Ducted models are registered for sale in Australia in 2026, from 7.1 to 16 kW. Supplied and installed, most land between $6,500 to $17,000; up to three licensed local installers will quote your actual job.
Prices are estimates, not quotes (how we estimate them). Rebate rules checked September 2026.
Compare 3 quotes for my houseDaikin's underfloor ducted units (Inverter and Premium Inverter) sit under the house instead of in the roof. They suit homes with good subfloor access, especially in cooler areas where floor vents help heating.
- Night time quiet mode
- Australian made indoor unit
At a glance
- Models26
- Installed, estimate$6,500–$17,000
- Most efficient (average zone)Daikin FDYUA71AV13 cooling stars, 7.1 kW
- Reverse cycle100%heat and cool
- R32 refrigerant100%the current low-GWP standard
Under 10 kW
10 models · installed $6,500–$10,500 · size page
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| RZA71C2V1 / FDYUAN71AV1 +3 variants with the same ratings | Ducted | 7.1 | 7.5 | 2★ | 2★ | – | $6,500–$10,500 | Get quotes |
| RZA71C2Y1 / FDYUAN71AV1 | Ducted | 7.1 | 7.5 | 2★ | 2★ | – | $6,500–$10,500 | Get quotes |
| RZA71CY1 / FDYUAN71AV1 | Ducted | 7.1 | 7.5 | 2★ | 2★ | – | $6,500–$10,500 | Get quotes |
| RZAS71C2V1 / FDYUA71AV1 +2 variants with the same ratings | Ducted | 7.1 | 7.5 | 3★ | 2★ | – | $6,500–$10,500 | Get quotes |
| RZAS71C2V1 / FDYUA71AV19 | Ducted | 7.1 | 7.5 | 3★ | 2.5★ | – | $6,500–$10,500 | Get quotes |
10 to 14 kW
8 models · installed $8,000–$15,000 · size page
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| RZA125C2V1 / FDYUAN125AV1 +3 variants with the same ratings | Ducted | 12.5 | 15 | 2★ | 1.5★ | – | $8,000–$15,000 | Get quotes |
| RZAS125C2V1 / FDYUA125AV1 +2 variants with the same ratings | Ducted | 12.5 | 15 | 2.5★ | 2★ | – | $8,000–$15,000 | Get quotes |
| RZAS125C2V1 / FDYUA125AV19 | Ducted | 12.5 | 15 | 2.5★ | 2.5★ | – | $8,000–$15,000 | Get quotes |
14 to 18 kW
8 models · installed $10,000–$17,000 · size page
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| RZA160C2V1 / FDYUAN160AV1 +3 variants with the same ratings | Ducted | 15.5 | 18 | 2★ | 2★ | – | $10,000–$17,000 | Get quotes |
| RZAS160C2V1 / FDYUA160AV1 +2 variants with the same ratings | Ducted | 16 | 18 | 2.5★ | 2★ | – | $10,000–$17,000 | Get quotes |
| RZAS160C2V1 / FDYUA160AV19 | Ducted | 16 | 18 | 2.5★ | 2★ | – | $10,000–$17,000 | Get quotes |
Every model on the Energy Rating register marked available in Australia. Stars are the zoned label for the average climate zone (average zone); indoor noise is the registered sound power level, measured the same way for every model. Installed prices are estimated 2026 supply-and-install ranges, not quotes (how we estimate them); your installer confirms the number. Browse and filter everything in the full catalogue.
FAQ
Daikin Underfloor Ducted: common questions
How much does a Daikin Underfloor Ducted model cost installed?
Typically $6,500 to $17,000 supplied and installed in 2026, depending on size and the job. Under 10 kW: $6,500 to $10,500; 10 to 14 kW: $8,000 to $15,000; 14 to 18 kW: $10,000 to $17,000. Pipe runs, a new circuit or a second storey add to it. Get up to three local quotes for your actual job.
Which is the most energy efficient?
For the average climate zone, the Daikin FDYUA71AV1 (7.1 kW) has the highest cooling rating here at 3 stars. Star ratings on the zoned label run to 10, and a star is worth more in a hot zone than a mild one. For cold-climate heating, the Daikin FDYUAN71AV1 leads at 2 stars.
What size ducted system do I need?
Most three-bedroom homes land around 10 to 14 kW and four-bedroom homes 14 to 18 kW, but insulation, ceiling height and zoning change it. Our sizing guide explains how installers work it out.
Sources
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