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 $1,005 a year at the current Sydney median electricity rate: $368 of cooling plus $637 of heating, from the official GEMS test figures.
The Rinnai D Series Ducted 12kW uses 1112 kWh annually for cooling and 1924 kWh annually for heating, based on official GEMS test data for Sydney's climate zone. These figures represent standard test conditions and will vary depending on your usage patterns and settings.
The system holds a 3-star energy rating for cooling and 2.5-star rating for heating under the Sydney zoned label. It achieves an AEER of 3.40 for cooling efficiency and an ACOP of 3.81 for heating efficiency. Your running costs will depend on your local electricity rate and how often you operate 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 Rinnai D Series Ducted range| Brand | Rinnai |
|---|---|
| Model | DINLR12Z72 |
| Series | Rinnai D Series Ducted |
| System type | Ducted System |
| Capacity | 12 kW |
| Refrigerant | R32 |
