Geothermal heat pumps have become increasing popular in construction design and domestic subdivisions in Australia over the past decade with low energy consumption levels, durability and effectiveness reducing carbon footprints.

UNE’s chief operating officer, Peter Creamer, said the geothermal system essentially works on the principle of heat exchange,” Prof. Creamer said.

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“A network of 36 refrigerant-filled pipes will be placed in grid formation in holes 90m deep to maintain the refrigerant at a constant temperature in line with the ambient temperature of the earth.

“The heat generated in this way will be transferred to water from the pool through a series of heat exchanges. Gas will be used to boost the temperature where necessary,” 

While gas inputs will still be needed to heat the pool water, especially in winter, it is projected to be reduced by over 50 per cent resulting in substantial long-term savings for SportUNE.

The reconstruction of the $7 million, six-lane pool is expected to be completed by mid-2019. Additional building works will include the installation of a lift in the sport centre to improve accessibility for people with disability, new change rooms for both the pool and centre, and a bigger concourse area around the pool.

.The geothermal heating system is one of two major projects currently underway to improve UNE’s sustainability credentials. Contracts on the solar farm development have been signed. Once this project is completed it will enable the University to produce at least half of its power for the Academic Campus via solar.