The HydraHeat® Split Hot Water Heat Pump from Rinnai New Zealand is a highly efficient water heating solution that uses heat pump technology to rapidly and effectively heat water in new or existing* hot water cylinders.
Proudly designed and built in New Zealand, the HydraHeat® Split is engineered to handle local conditions and supports simple installation across a wide range of home environments. Its split design offers flexibility while enhancing performance.
The Rinnai HydraHeat® Split Hot Water Heat Pump utilises thermal stratification within the storage cylinder to ensure rapid *top-down hot water delivery from the moment it starts, offering an efficient and practical water heating solution.
It’s ideal for retrofitting, allowing homeowners to upgrade their existing* cylinders into a sustainable, energy-efficient system without the need for full replacement – reducing both costs and waste.
Key benefits include:
- Up to 75%** energy savings using advanced heat pump technology
- Low environmental impact with R290 natural refrigerant (ultra-low GWP)
- Faster hot water access thanks to thermal stratification
- Flexible split system design for easier placement and installation
Combining Rinnai’s expertise in heat pump and water heating technology, the HydraHeat® Split is a smart option for households looking to reduce energy use without compromising performance.
Distributed by plumbing and heat pump merchants, and installed by licensed plumbers, gasfitters, and hot water heat pump installers.
Learn more at: www.rinnai.co.nz/water-heating/hot-water-heat-pumps/hot-water-pump-range/hydraheat-split
*Please refer to Rinnai’s cylinder compatibility checklist to find out if your cylinder is compatible with the HydraHeat® Split system.
**When a comparison calculation is made to a 250L standard electric hot water cylinder when heating water from 19°C to 55 °C.