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The 7 Best Heat Pump Water Heaters to Buy in Australia
Australia’s warm climate makes heat pump water heaters an energy-efficient option for many households looking to reduce energy bills and carbon emissions.
Heat pump water heaters use electricity to transfer heat from the surrounding air to the water tank rather than generating heat directly, which makes them much more efficient than traditional electric water heaters.
Here are seven of the top options to consider when buying a heat pump water heater in Australia.
- Rinnai Enviroflo A Series (180L)
- Reclaim Energy Heat Pump
- EvoHeat Fusion
- Sanden Eco Plus
- Quantum Energy
- Stiebel Eltron WWK 300
- Rheem HDi-310
Rinnai Enviroflo A Series (180L)
The Rinnai Enviroflo A Series Electric Heat Pump operates by utilising a heat exchange system that absorbs the heat from the surrounding air and uses it to heat your water. The innovative controller works to maximise hot water availability while using up to 70% less energy*, compared to a standard electric storage tank.
Key Features:
- High Energy Efficiency
- Perfect for replacing an electric storage tank
- Adaptable for All Climates
- Available in 180L
- Energy Efficient
- Convenient Wi-Fi Timer
- Reliable
- Auto Disinfection
- Defrost Control
Designed and manufactured in Australia, the Rinnai Enviroflo range of Electric Integrated Heat Pump hot water systems deliver a comprehensive set of installation configurations perfect for the various site specific requirements around the country.
Reclaim Energy Heat Pump
Reclaim Energy offers high-quality Australian-made heat pump water heaters. Their units have energy efficiency ratings of up to 5-stars, meaning they can cut water heating costs by up to 75% compared to electric storage water heaters.
Key features of Reclaim Energy heat pumps include:
- Energy efficiency ratings of up to 5-stars
- Available in 160L to 340L tank sizes
- Suitable for temperate and cold climates
- Quiet operation – noise lower than 50dB
- 10-year warranty on compressor, 5 years on parts
Reclaim’s heat pumps extract free heat from the air to heat water.
Their systems self-adjust to maximize efficiency based on air temperature and features like night quiet mode during preset hours. They are an excellent option, combining high efficiency with durability.
EvoHeat Fusion
EvoHeat specializes in split-system heat pump water heaters. Their Fusion series offers sleek, wall-mounted outdoor heat pump units paired with well-insulated indoor storage tanks having 170L to 340L capacity.
Stand-out features include:
- Easy DIY installation
- Modern, compact wall-mounted heat pump design
- Quiet operation from as low as 36dB
- 5-star energy efficiency rating
- 10-year warranty on compressor
The EvoHeat Fusion models achieve excellent efficiency through innovations like auto-defrosting to prevent ice build-ups and smart controls that minimize power usage based on your hot water usage patterns.
Their compact, quiet outdoor units can be located up to 15 meters from the tank. Overall, they provide great water and energy efficiency in a contemporary package.
Sanden Eco Plus
Sanden manufactures industry-leading heat pump water heaters. The Eco Plus series offers some of the highest efficiency heat pump systems with energy ratings of up to 6 stars.
The Eco Plus range offers:
- Class leading energy efficiency of up to 6 stars
- 185L and 270L tank sizes
- Engineered for cool and temperate Aussie climates
- Ultra-quiet operation as low as 38dB
- 10-year warranty on compressor, 5 years on parts
Sanden’s Eco Plus heat pumps achieve incredibly low energy usage through innovations like fully automated defrost capabilities and smart controls that adapt operation to weather conditions and hot water usage trends.
With advanced climate adaptation and noise reduction features, Sanden’s Eco Plus series offers stellar efficiency and reliability.
Quantum Energy
Another leader in energy-efficient heat pump water heating technology, Quantum Energy specializes in large capacity options for households with high hot water demands.
Quantum offerings include:
- 315L and 340L extra high-capacity tanks
- Engineered for cool to moderate Aussie climates
- Ultra-quiet operation from 45dB
- 10-year warranty on compressor
Quantum’s systems are suitable for large households of at least 5-6 people. They maximize efficiency through innovations like fully automated defrosting and smart self-learning controls to minimize power usage.
Their extra insulation also helps retain heat for longer. With some of the largest tank capacities on the market, Quantum is ideal for high-water-usage households wanting to cut energy bills.
Stiebel Eltron WWK 300
German-engineered to precise standards, Stiebel Eltron produces powerful reliable heat pump water heaters. Their WWK 300 model offers a balance of efficiency and quality at a reasonable price point.
Key features include:
- 270L tank capacity
- Quiet operation from 42dB
- Engineered for cool to moderate climates
- Self-learning control system
- 5-year warranty on compressor and tank
Stiebel Eltron’s automation adjusts water heating to match weather conditions and learned usage patterns, helping optimize efficiency. The WWK 300 is straightforward to install and maintain while still achieving an energy rating of over 5 stars under medium load conditions. As such, it’s a simple and robust heat pump option.
Rheem HDi-310
Leading hot water supplier Rheem offers Australian-made heat pump water heaters. Their HDi series effectively balances efficiency and reliability.
The HDi-310 key details:
- 310L tank capacity
- 5-star energy rating under medium load
- Quiet operation from 45dB
- Engineered for cool to moderate Aussie climates
- 10 years warranty on compressor, 5 years on parts
As Australia’s largest supplier of hot water systems, Rheem brings extensive local manufacturing capabilities and after-sales support with its wide network across Australia. Their HDi heat pumps offer set-and-forget simplicity while still being cost-effective to run through smart air temperature optimization and automated periodic water heating.
In Summary: Choosing the Ideal Heat Pump Water Heater for Your Australian Home
With rising energy prices in Australia, heat pump water heaters offer a smart way for households to lower their hot water bills while minimizing carbon emissions.
Units from trusted brands like Reclaim Energy, EvoHeat, Sanden, Quantum Energy, Stiebel Eltron, Rheem, and Bosch lead the market combining proven reliability with innovative features that maximize efficiency in Australia’s varied climate.
When choosing the best system, key considerations include climate suitability, noise output, warranty coverage, tank size, and overall energy star rating. Installing an efficient heat pump water heater can cut water heating electricity usage by half or more compared to conventional systems.
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