With thousands of people across Australia working on pump-related technology and products, we invited Glenn Evans, CEO of the Australian Refrigeration Council (ARC) to contribute to Pump Industry.
Hot water heat pumps are becoming increasingly popular across Australia as an energy-efficient solution for heating water and pools.
These systems, which extract heat from the outside air, use about one-third of the energy of traditional electric storage hot water systems. While heat pumps are an excellent choice for reducing energy consumption, proper installation and servicing are essential to meet environmental and safety standards.
Heat pumps operate similarly to refrigerators but in reverse, transferring heat from the air into water. They often rely on refrigerants regulated by the Australian Government. While these refrigerants are necessary for the heat exchange process, many are potent greenhouse gases that can contribute to global warming if mishandled. Additionally, some refrigerants, such as hydrocarbons or CO2, present safety risks due to their flammability or high-pressure characteristics.
To support the growing demand for hot water heat pumps and ensure installers are properly trained, the Australian Refrigeration Council (ARC) has recently released a new fact sheet outlining the licensing requirements for installing these systems.
There are three primary configurations of hot water heat pumps commonly used in Australia:
- Integrated Systems: These self-contained units include a refrigeration system, a combined water tank, and a heat exchanger. Installation requires essential electrical and water connections.
- Integrated Pool Heater Systems: Like integrated systems, these units integrate refrigeration and heat exchange components but do not have a water tank. Instead, they supply heated water directly to a pool.
- Split Systems: These systems have an outdoor unit with refrigeration components and a separate water tank. Refrigerant pipes connect the two. Installation requires more expertise due to the need for refrigerant handling.
The first two types are sealed systems that do not require refrigerant handling during installation. However, split systems require a licensed refrigeration technician due to the specialist nature associated with high-pressure refrigerant pipes and components.
Installing, servicing, and decommissioning these systems necessitate a technician with the appropriate refrigerant-handling license from the ARC, reflecting the specialist nature of the work.
Technicians with this license are trained to manage refrigerants safely and minimise emissions, ensuring compliance with environmental regulations.
As the adoption of energy-efficient technologies like heat pumps continues to rise, we must equip professionals with the right skills to ensure these systems are installed and serviced correctly. The ARC is committed to providing the necessary licensing and training to safeguard the environment and the safety of the Australian public.
As Australians increasingly adopt energy-efficient technologies like heat pumps, it is vital to ensure that licensed professionals carry out installation and servicing. At ARC, we remain committed to providing the right skills and qualifications to support this transition to a more sustainable future.



