A hot water heat pump system in Australia works by using heat from the surrounding air to heat water. It is an energy-efficient way to heat water because it transfers heat instead of generating it directly. Here's how the system works step by step:

• Air Extraction

  • The heat pump system extracts heat from the surrounding air using a fan. Even at relatively low air temperatures, there is still some heat energy that the system can utilize.

• Heat Transfer

  • The extracted air is passed through an evaporator containing a refrigerant, which absorbs the heat from the air. This refrigerant changes from liquid to gas as it heats up.

• Compressor Operation

  • The extracted air is passed through an evaporator containing a refrigerant, which absorbs the heat from the air. This refrigerant changes from liquid to gas as it heats up.

• Heating Water

  • The extracted air is passed through an evaporator containing a refrigerant, which absorbs the heat from the air. This refrigerant changes from liquid to gas as it heats up.

• Refrigerant Cycle Repeats

  • The refrigerant then flows back to the evaporator to absorb more heat from the surrounding air, and the cycle repeats. This process continues until the water in the tank reaches the desired temperature.

• Water Storage and Use

  • The hot water is stored in an insulated tank, ready to be used for showers, washing, and other household purposes.

• Energy Efficiency

  • Because a heat pump system extracts heat from the air rather than generating it from electricity or gas, it is highly energy efficient. Typically, for every unit of electricity used, the system can produce three to four units of heat.