Rinnai HydraHeat®
Hot Water Heat Pump

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Rinnai, the experts in water heaters and heat pumps, have combined the technology of both to bring you a very clever solution – a hot water heat pump called HydraHeat®. Using the efficiency of heat pump technology, HydraHeat® will heat a home’s water while saving you up to 75% on your water heating costs*. The result is a far more cost-effective and more sustainable solution for the homes of tomorrow. The HydraHeat® head unit has been designed and built right here in New Zealand for Kiwi conditions, and the whole system is easy to install for any home.

Up to 75% Savings on Hot Water Costs*

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

Dedicated to Sustainability

Powered by only 150g (nominal charge) of high-efficiency R290 refrigerant with low Global Warming Potential and COP of 4.7.**

Renowned Quality

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

HydraHeat® head unit 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.

Reliability

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

Modular ‘Heat Pump Ready’ Design

Upgrade from a standalone HydraHeat® electric cylinder to Hot Water Heat Pump Technology by adding the HydraHeat® head unit.

Easy Servicing

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

Frost Protection

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

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.

User Friendly Control Interface

Features OLED screen and six operation modes for versatility.

Six Operation Modes

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

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.

* 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.
** 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.

Rinnai Hydraheat® product page
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