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.
The Rinnai D Series Ducted 12kW holds a 3-star cooling rating and 2.5-star heating rating on the zoned energy label for Sydney's climate zone. Based on official government test data, it uses 1112 kWh per year for cooling and 1924 kWh per year for heating. Using the median Sydney electricity rate of 34.7 cents per kWh across 170 residential plans as of June 2026, that works out to roughly $386 annually for cooling and $668 for heating, giving a combined year-round running cost of around $1054.
The system's rated AEER of 3.40 and ACOP of 3.81 indicate how many units of cooling or heating it delivers per unit of electricity consumed.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs · Refreshed monthly · Last updated June 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 |
