The Ultimate Guide to Choosing the Right Hot Water System


In 2020, a record-breaking number of solar water heating systems were installed in the country, with 72,953 units installed. This is the highest number of installations since 2011, indicating a growing trend towards adopting renewable energy sources. The cumulative solar water heating systems installed in the country have now exceeded 1.3 million units, a significant achievement.

The continued growth in the number of solar hot water installations in Canberra is a positive sign that the country is moving towards a more sustainable future, with more households and businesses recognising the importance of renewable energy sources. The following points will explore the different types of hot water systems and provide tips on choosing the right one for your home.

Types of Hot Water Systems

Storage Tank Systems

The most common type of hot water system is the storage tank system. It consists of a large tank that stores hot water until needed. When the hot water runs out, the tank refills and heats the water to the desired temperature. Storage tank systems are available in various sizes, making them a good option for larger households.

Tankless Systems

These systems are also known as on-demand systems, heat water as needed, providing hot water on demand. They’re more energy-efficient than storage tank systems, as they don’t waste energy heating water that’s not being used. However, they may not be suitable for larger households because they have a limited flow rate.

Heat Pump Systems

Heat pump hot water systems use electricity to transfer heat from the air or ground to heat the water. They’re highly energy-efficient and can save homeowners significant money on their energy bills. However, installing them can be more expensive than other hot water systems.

Solar Systems

These systems use solar panels to absorb sunlight and heat water. They’re highly energy-efficient and can provide significant savings on energy bills. However, they may not be suitable for households in areas with limited sunlight.

Factors to Consider When Choosing a Hot Water System

Household Size

An important factor to consider when choosing a hot water system is household size. Larger households may require a storage tank system, while smaller households may be able to get by with a tankless system.

Energy Efficiency

Energy efficiency is another essential factor to consider. Hot water systems can be one of the largest energy consumers in a household, so choosing an energy-efficient system can provide significant savings on energy bills over time. Heat pumps and solar systems are highly energy-efficient options.


The cost of the hot water system is also an important consideration. While heat pumps and solar systems may have a higher upfront cost, they can provide significant savings on energy bills over time. It’s important to consider long-term cost savings when making your decision.

Available Space

The available space in your home is also an essential factor to consider. Storage tank systems require much space, while tankless systems are more compact and can be installed in smaller spaces.

Water Quality

Water quality is another important factor when choosing a hot water system. Hard water can lead to mineral buildup in the system, decreasing efficiency and potentially costly repairs. It’s important to consider water quality when choosing a hot water system and to take steps to address any issues.

To sum up, selecting the appropriate hot water installations in Canberra requires considering several factors, including household size, energy efficiency, cost, available space, and water quality. Evaluating these factors will enable you to choose a hot water system that is tailored to the specific needs of your household while offering energy-efficient and cost-effective hot water. It’s highly recommended that you seek the advice of a professional installer to guarantee that the hot water system is correctly installed and complies with all safety and building code regulations.

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