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Reclaim Energy CO2 Hot Water Heat Pump

High performance, sustainable hot water systems for residential buildings.  Delivers reliable, ultra low energy hot water in any New Zealand climate zone for individual homes, medium density and apartments buildings.

Key Features
  • CO2 driven hot water pump
  • Highest performing domestic unit available in NZ – COP of 5
  • Natural CO2 refrigerant – Global Warming Potential of 1 versus norm of 1,300
  • 4 to 5 kWh energy for family of four and 300L cylinder
  • Split unit — cylinder indoors or outdoors
  • Quietest outdoor compressor in NZ — 37dB Sound Pressure Level at 1m
  • Proven performance and longevity — manufactured and sold in Japan since 2003
  • Smart controller — maximises savings and flexibility, householder accessible
  • PV or off-peak electricity optimised — adjustable timer function
  • No electric element — heat pump only operation
  • 63°C water from heat pump — very rapid recovery of 50L @ 60°C / 20 mins
  • Easy to duct pipework — 15mm flow and return to cylinder
  • Slim line, easy to locate outdoor compressor
Scope of Use
  • Suitable for all domestic hot water applications, residential and small commercial
  • Outdoor, low noise compressor and indoor/outdoor cylinder enable installation in medium density and apartment buildings
  • Suitable for all NZ climate zones — check with distributor for frost protection requirements in Zone 3
  • Compressor can be ground, wall or roof mounted (see limitations for distances)
Limitations on Use
  • Compressor and cylinder to be maximum 15m apart and 3m vertical height difference
  • Compressor must be outside building or in untreated space with sufficient air flow for operation
  • Cylinder cannot be wall or roof mounted
  • Power supply required for compressor and smart controller
  • Each unit can provide a maximum drawn down of 700L at 63°C per day
Statement of Building Code Compliance

Heat pump tested to following standards:

  • AS/NZS 2712:2007 — Solar and Heat Pump Water Heaters 
  • AS/NZS 5125:2014 — Heat pump water heaters 
  • AS/NZS 4234.2008 — Heated Water Systems — Calculation of Energy Consumption

Cylinder tested to following standards:

  • AS/NZS 4692.1 & .2 Electric water heaters - Energy consumption, performance and general requirements
  • AS/NZS 60335.2.21 Household and similar electrical appliances — Safety — Part 2.21: Particular requirements for storage water heaters
In-Service History
  • Manufactured and sold in Japan since 2003
  • Available in Australia since March 2019
  • Member of Japanese 'EcoCute' product category:
    • EcoCute CO2 hot water heat pumps are 98% of all new residential HP water heaters in Japan 
    • 400-500k new units installed in Japan per year
    • In 2016 5 million+ in total in Japanese homes
    • Prediction of 10 million units in Japan by 2020
Data Sheet
Reclaim CO2 heat pump design guide



Apricus NZ Eco Energy are a leading distributor of sustainable hot water solutions for domestic and commercial buildings. Evacuated tube solar systems, CO2 heat pumps and pellet boilers.

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