24 kWRinnai D Series Ducted 24kW Ducted System
The 24kW Rinnai D Series Ducted (model DINLR24Z7) is sized for large two-storey family homes. As a guide it covers roughly 160 to 192m² of conditioned floor area, depending on zoning, insulation and ceiling height. It is the largest capacity in the range.
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 24 kW options, or ask about supply and installation.
About $2,008 a year at the current Sydney median electricity rate: $723 of cooling plus $1,285 of heating, from the official GEMS test figures.
The Rinnai D Series Ducted 24kW uses 2413 kWh annually for cooling and 4287 kWh annually for heating under official government test conditions for Sydney's climate zone. These figures form the basis of your running cost estimate, which varies with current electricity rates.
The system carries a 2-star cooling efficiency rating and 1.5-star heating efficiency rating for Sydney. Its rated cooling efficiency (AEER) is 3.44 and heating efficiency (ACOP) is 3.63. Both ratings reflect performance in Sydney's climate conditions according to GEMS registration data.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs · Refreshed monthly · Last updated August 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 | DINLR24Z7 / DONSR24Z9 |
| Series | Rinnai D Series Ducted |
| System type | Ducted System |
| Capacity | 24 kW |
| Refrigerant | R32 |
