12 kWRinnai D Series Ducted 12kW Ducted System
The 12kW Rinnai D Series Ducted (model DINLR12Z72) is sized for typical three-bedroom single-storey homes. As a guide it covers roughly 80 to 96m² of conditioned floor area, depending on zoning, insulation and ceiling height. For a larger floor plan, the 14kW is the next step up.
Part of the Rinnai D Series Ducted range, Rinnai's ducted system line, in 7 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 12 kW options, or ask about supply and installation.
About $877 a year at the current Sydney median electricity rate: $321 of cooling plus $556 of heating, from the official GEMS test figures.
The Rinnai D Series Ducted 12kW uses 1112 kWh annually for cooling and 1924 kWh for heating under Sydney climate conditions, based on official GEMS test data. The system achieves a cooling efficiency rating of 3.40 AEER and heating efficiency of 3.81 ACOP, which translates to 3-star cooling and 2.5-star heating ratings on the energy label for Sydney's climate zone.
Your actual running costs depend on how much you use the system and current electricity rates. The official annual consumption figures above provide a reliable basis to calculate expected costs for your usage pattern in Sydney.
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 Rinnai D Series Ducted range| Brand | Rinnai |
|---|---|
| Model | DINLR12Z72 |
| Series | Rinnai D Series Ducted |
| System type | Ducted System |
| Capacity | 12 kW |
| Refrigerant | R32 |
