Save on your hot water energy use with a Rheem heat pump

Commercial supporter - Published June 2025

Looking for a smart, energy-efficient water heating solution? Rheem has a range of steady, hot, and strong heat pump water heaters, each suited to different household needs.

Save on your hot water energy use with a Rheem heat pump

Rheem AmbiPower® 280e Heat Pump

  • Manufactured in Australia.
  • 280L capacity, suited for larger families of up to six people.
  • Operates in temperatures ranging from -6°C to 43°C¹.
  • You can save up to 73% on your water heating energy consumption².
  • High average Coefficient of Performance (COP) of 5.2, which means it supplies 5.2 times as much heat energy to the water as it consumes in electricity³. Rheem explains COP in detail here.
  • Ultra Low Global Warming Potential (GWP) R290 refrigerant releases fewer greenhouse gases into the atmosphere.

Learn more about the Rheem AmbiPower® 280e Heat Pump here.

Rheem Ambiheat® HDc-270 Heat Pump

  • Manufactured in Australia.
  • 270L capacity, perfect for large families of up to six people.
  • Works in temperatures between -5°C to 43°C¹.
  • You can save up to 73% on your water heating energy consumption².
  • Best recovery rate in the Rheem range: 77L/hour (at 45oC), suitable for families that use a lot of hot water or who tend to time most of their usage at the same time of day.
  • Low GWP refrigerant 513a releases fewer greenhouse gases into the atmosphere.

Learn more about the Rheem Ambiheat® HDc-270 Heat Pump here.

Rheem AmbiPower® MDc-180 Heat Pump

  • Manufactured by Rheem.
  • 178L capacity, suited for smaller households of up to three people.
  • Operates in temperatures ranging from -7°C to 43°C¹
  • Save up to 70% on your water heating energy consumption².
  • High hot water recovery.
  • Low GWP refrigerant 513a releases fewer greenhouse gases into the atmosphere.

Learn more about the Rheem AmbiPower MDc-180 Heat Pump here.

Based on your requirements, a heat pump is a great option to replace an existing similar-sized electric water heater, as it often uses similar plumbing and electrical connections (some modifications may be required). Also, each heat pump comes with a 7-year cylinder warranty⁴.

For more information on Rheem’s heat pumps, check out their dedicated article or contact Rheem today.

Disclaimers:
1. Energy savings of up to 73% (Ambiheat HDc-270 & AmbiPower 280e) and 70% (AmbiPower MDc-180) are based on Australian Government approved TRNSYS simulation modelling using a medium load in Zone 3 and apply when replacing a storage electric water heater of similar size with a Rheem 571D270, 551E280 & 551D180 Heat Pump water heaters. Any savings will vary depending upon your location, type of water heater being replaced, hot water consumption and fuel tariff. The impact on an electricity account will depend on the tariff arrangement of the water heater being replaced and where you live.
2. COP is measured under test conditions with an ambient air temperature of 19˚C/15˚C (Dry Bulb/Wet Bulb) and heating of the water from 15˚C to 60˚C during water heater operation.
3. The specified -5˚C to 43˚C (onwards) temperature ranges is the operational range of the Heat Pump. The electric element activates when the ambient air temperature is outside this range and heating of the water is required.
4. Warranty: 7 years cylinder supply, 3 years cylinder labour, 3 years sealed system supply and labour and 1 year parts supply and labour. The warranty periods apply to installations in a single-family domestic dwelling only.
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