Energy-efficient warm water systems in apartment buildings pose legionella risk

The cooler temperature for water storage, of between 25 to 40 degrees Celsius, and the use of solar energy, which often does not achieve high enough temperatures, creates a perfect environment for the growth of legionella bacteria.

The Federal government’s Australian Building Codes Board (ABCB) recently expressed their concern about the “high-risk nature of warm-water systems”. Also, the lack of an agreed standard over warm-water installations often means that they are being prepared and installed by people with no knowledge about this issue, therefore compounding the Legionella risk.
Queensland and South Australia have already reported legionella deaths associated with faulty warm-water systems in recent years.
Ian Pewtress, a plumber from Melbourne, who has recently become an advisor on the Legionella topic, said there were dozens of buildings in the city facing high Legionella risk.
Legionella is a serious issue that needs to be managed carefully. However, the lack of an agreed standard, provides people with little guidance on how to ensure these warm water water systems are under control.
Frequent monitoring of Legionella risk can offset energy conservation objectives in warm water systems buildings. Now you can do the test yourself, on-site and receive results in 25 minutes. There is no need to take risks with people’s lives.
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