Rinnai have combined the technology of water heaters and heat pumps to bring you a very clever solution – a Hot Water Heat Pump called HydraHeat™ which will heat a home’s water while saving you up to 75% on your water heating costs*. DOWNLOAD MORE INFORMATION >>


If you have moderate hot water needs then a Hot Water Heat Pump is a good option.

If you are looking for the most efficient system that is dedicated to sustainability, then consider a Hot Water Heat Pump.
If interior space is tight or you want to free up your hot water cupboard, then switching to a Hot Water Heat Pump is an option.

Ongoing Service & Expert Advice

At G-Force, we pride ourselves on our extensive customer service and after-sales support. Our team is very knowledgeable and they’re just a phone call or email away.

Product Details


Up to 75% Savings on Hot Water Costs*

Provides highly efficient water heating, minimising energy consumption and lowering operating costs.

* Compared with a standard hot water cylinder in Zone 5 (Auckland). Annual energy performance estimated according to AS/NZS4234:2008 and AS/NZS5125:2014, medium load size.

Rinnai logo
r32 refrigerant

Dedicated for Sustainability

Powered by only 150g of high-efficiency R290 refrigerant with low Global Warming Potential and COP of 4.7.**
** Inlet water temperature 19°C, Outlet Water temperature 55°C, Dry Bulb Temperature 19°C. Accredited Testing to AS/NZS 5125 Pending by NATA accredited Provider.
renowned quality

Renowned Quality

Crafted with exceptional quality by Rinnai New Zealand, the trusted name in total home living.




The inbuilt electric element guarantees a consistent and dependable supply of hot water, at all times.


easy servicing

Easy Servicing

Removable Heat Pump unit allows for easy servicing, and ensures uninterrupted supply of hot water.


nz made

Designed and built in NZ

Specifically designed for New Zealand climatic conditions (from -10°C to +42°C), as well as coastal locations. Operates in full heat pump mode right down to -10°C without the need for electric boosting.

HHS Icons Ventilation Black

Modular ‘Heat Pump Ready’ Design

Ability to upgrade from a standalone electric water heater to Heat Pump Technology with addition of Heat Pump unit.

frost protection

Frost Protection

Built-in defrost and frost protection functions to handle colder climates.


meps compliant

NZ MEPS Compliant

MEPS (Minimum Energy Performance Standard) means less heat loss from unit and less energy use, resulting in a more efficient product. Not all Hot Water Heat Pumps in New Zealand are MEPS compliant.




5-year heat pump unit warranty and a 7-year cylinder warranty.


user friendly interface

User Friendly Control Interface

Features OLED screen and six operation modes for versatility.


residential styles

Ideal for a Range of Residential Styles

Suitable for homes of 2–6 people. Plus an operating sound level of only 45dBA makes it suitable for a wide range of homes, including built-up residential areas.


six modes

6 Operation Modes

Standard, Boost, Eco 55, Eco 50, High Usage, and Element Only.