The Rinnai PB Series HSNRP50B is a powerful and efficient reverse cycle split system designed for family rooms, living areas, open-plan spaces, and larger bedrooms. With built-in Wi-Fi, quiet operation, and inverter technology, it delivers reliable year-round heating and cooling while helping keep running costs low. With 5.0kW cooling and 5.4kW heating capacity, this model is ideal for rooms around 23–33 square metres, including living rooms, family areas, apartments, and open-plan spaces. It delivers up to a 5-star cooling efficiency rating in hot climates for improved energy savings.

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 HSNRP50B delivers up to a 5-star cooling efficiency rating in hot climates. Inverter technology continuously adjusts compressor speed to maintain stable temperatures while reducing running costs and energy use.

Quiet Operation

The PB Series is designed for low-noise comfort, making it suitable for living rooms, bedrooms, and home offices. 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 321mm high, 971mm wide, and 228mm deep, while the outdoor unit measures around 673mm high, 890mm wide, and 342mm deep. Despite its larger output, the system maintains a relatively compact design for medium-sized homes and apartments.

7-Year Residential Warranty

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

Ideal Applications

• Family rooms
• Living rooms
• Open-plan lounge and dining areas
• Master bedrooms
• Home offices
• Apartments and townhouses

Why Choose the Rinnai PB Series 5.0kW?

The Rinnai HSNRP50B 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 family rooms, open-plan living areas, and larger bedrooms.