Heat Pump Hot Water Systems

Stiebel Eltron Heat Pump Hot Water System WWK 300A

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Harness naturally occurring thermal energy from the environment to create hot water with the stiebel eltron hot water Heat Pump

The STIEBEL ELTRON Heat Pump works through utilising the ambient air temperature (thermal energy) and converting this to usable energy to create hot water. A heat pump essentially works in a similar way to a refrigerator, only in reverse.

Engineered in Germany, the STIEBEL ELTRON Heat Pump was specifically designed for Australian conditions.

The WWK300A is proving to be the most efficient heat pump on the market providing the highest energy cost savings and environmentally friendly hot water all year round. This technology has been tried and tested in Germany for over thirty years to ensure consumers real energy, environmental and money savings.

Designed for Australian conditions
German Engineered
Utilises ambient air temperature (thermal energy) from the environment to create hot water
Can operate on extended off peak power and timers where available
Lowest power draw for all hot water heat pump units at only 2.3 amps
300 Litre tank with a high delivery rate of hot water – can deliver 510 Litres of showering temperature (40°C) water on a single draw off¹
Active defrost to maintain operation in cold climates
Single piece design for easy installation
5 Year Warranty² on Storage Tank
Indoor³ & Outdoor Installation
Master Plumbers Association Queensland Environmental Product of the Year Award 2010
Master Plumbers & Gasfitters Association Western Australia Energy saving Product of the Year Award 2009

Stiebel Eltron hot water Heat Pump

Stiebel Eltron WWK300A Hot Water Heat Pump Brochure

Stiebel Eltron Australia has been providing energy-efficient heat pumps for both the commercial and residential markets – rapidly making Stiebel a household name synonymous with high-quality, well-engineered and energy-efficient products.

How the heat pump works.

A fan draws air through an evaporator. Thermal energy within the air is transferred to a liquid refrigerant causing it to change into a gas.
The refrigerant gas is then drawn into a compressor which increases the pressure and as a result increases the temperature.
A condenser (heat exchanger) then transports gas refrigerant around the outside of the water tank. This heats the water inside the tank and the gaseous refrigerant reverts back into a liquid.
The refrigerant pressure is reduced again in the expansion valve.

This process efficiently heats water by utilising the thermal energy within the air, and can save up to 68%⁴ on hot water energy use compared to an electric storage hot water system.

How Heat Pump Works

For over 85 years STIEBEL ELTRON has been developing innovative hot water solutions with a direct focus on quality, energy efficiency and reliability. With a focus on energy efficiency STIEBEL ELTRON began to develop heat pump technology as early as 1976.

1: Based on cold water inlet temperature of 20°C.

2: 5 years for the cylinder and condenser, 2 years for the sealed refrigeration system, including compressor, evaporator, valves and associated pipe work and 1 year for all other componentry (electrical) for domestic installations only.

3: Indoor installation requires an area of 13m³

4: Energy reduction of up to 68% when compared with a conventional electric water heater as per Government approved thermal performance simulation modelling for Zone 3.

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