3.5 kWRinnai PB Series 3.5kW Split System
The 3.5kW Rinnai PB Series Split (model HSNRP35B) is sized for large bedrooms and smaller living rooms. As a guide it suits a typical insulated room of roughly 23 to 28m²; sun exposure and ceiling height move that band. If the space is bigger or sun-exposed, step up to the 5kW.
The Rinnai PB Series 3.5kW uses 217 kWh annually for cooling and 398 kWh annually for heating under official GEMS testing in Sydney's climate zone. These figures reflect actual energy consumption in local conditions and form the basis for running cost calculations. The system achieves a 5-star cooling efficiency rating and 3.5-star heating rating in the Sydney zone.
The unit's rated cooling efficiency (AEER) of 4.42 and heating efficiency (ACOP) of 4.56 indicate how much cooling or heating output you get per kilowatt of electricity consumed. With R32 refrigerant, the system balances performance with environmental considerations. Your actual running costs depend on local electricity rates and how often you use cooling versus heating.
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 PB Series Split range| Brand | Rinnai |
|---|---|
| Model | HSNRP35B |
| Series | Rinnai PB Series Split |
| System type | Split System |
| Capacity | 3.5 kW |
| Refrigerant | R32 |
