The Rinnai PB Series HSNRP35B is a compact and efficient reverse cycle split system designed for bedrooms, studies, home offices, and medium-sized living spaces. With built-in Wi-Fi, quiet operation, and energy-efficient inverter technology, it delivers reliable year-round heating and cooling while keeping running costs low. With 3.5kW cooling and 3.8kW heating capacity, this model is ideal for rooms around 18–24 square metres, including master bedrooms, studies, apartments, and smaller living areas. It delivers up to a 5-star cooling energy rating in hot climates for improved efficiency.

Key Features & Benefits

Built-in Wi-Fi Control

The PB Series includes built-in Wi-Fi, allowing you to control temperature, timers, and operating modes remotely through the NetHome Plus App on your smartphone or tablet. This makes it easy to adjust your air conditioner before you arrive home.

Strong Energy Efficiency

The HSNRP35B delivers strong energy efficiency with up to a 5-star cooling rating and 4.5-star heating rating in hot climates. Inverter technology continuously adjusts compressor speed to maintain stable temperatures and reduce running costs.

Quiet Operation

The PB Series is designed for low-noise comfort, making it ideal for bedrooms, nurseries, and home offices where quiet performance is important. Sleep Mode further improves overnight comfort by automatically adjusting operation.

3D Airflow

Horizontal and vertical swing functions help distribute conditioned air more evenly around the room, reducing hot and cold spots and improving overall comfort.

Turbo Function

Turbo Mode allows the system to quickly cool in summer or warm in winter by temporarily running at maximum performance until the desired temperature is reached.

Dehumidifying Mode

A built-in dehumidifying function helps manage humidity levels during humid weather, improving comfort and indoor air quality.

Timer & Sleep Functions

The PB Series includes timer functionality, allowing you to set the unit to turn on or off automatically at specific times. Sleep Mode adjusts temperature gradually overnight for more comfortable sleeping conditions.

Designed for Australian Conditions

The outdoor unit is built for Australian climates and includes GoldGuard corrosion protection for improved durability in coastal and harsh environments. The unit is also DRED enabled for compatibility with demand response energy programs.

Eco-Friendly R32 Refrigerant

The system uses modern R32 refrigerant, which improves energy efficiency and has a lower environmental impact than older refrigerants.

Compact Design

The indoor unit measures approximately 295mm high, 802mm wide, and 200mm deep, making it suitable for compact wall spaces in bedrooms, apartments, and studies. The outdoor unit measures around 554mm high, 805mm wide, and 330mm deep.

7-Year Residential Warranty

Rinnai backs the PB Series with a 7-year residential warranty for added peace of mind.

Ideal Applications

• Bedrooms
• Home offices
• Nurseries
• Studies
• Apartments
• Small living rooms

Why Choose the Rinnai PB Series 3.5kW?

The Rinnai HSNRP35B is a smart and energy-efficient split system designed for medium-sized rooms that need reliable year-round comfort. With built-in Wi-Fi, quiet operation, strong energy efficiency, and 3D airflow, it is an excellent option for bedrooms, studies, and home offices.