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Gas remains a significant energy source in Australia, especially for heating and hot water systems. However, its availability varies by region. Urban areas typically have established gas networks, while rural and remote areas may lack infrastructure. It's essential to check with local utility providers to determine if gas is accessible in your area.

When you're choosing a hot water system, it’s not just about picking a brand or deciding between gas and electric. One of the most important—and often overlooked—factors is making sure the system’s capacity matches your household’s demand.

A cold water diverter is a mechanical valve installed on a hot water line. It redirects the initial cold water, known as redwater, that sits in the pipe before hot water arrives. Instead of wasting this water down the drain, the diverter sends it to a greywater tank, a garden irrigation system, or back into the hot water storage system for reuse. These diverters work using water pressure and do not require electricity.

If you're renovating your home—especially your bathroom, ensuite or kitchen—you're probably already thinking about energy efficiency and water conservation. One option gaining popularity in Australian homes is the hot water recirculation system. These systems are designed to deliver hot water instantly, without wasting litres of water while you wait for the tap to warm up.

Temperature controllers play a vital role in modern Australian homes, particularly in renovations and new builds that must meet today’s safety, energy and sustainability standards. These devices regulate water temperature at outlets, reducing the risk of scalding and helping households comply with current building codes.

Hybrid hot water systems combine the benefits of traditional storage tanks and instantaneous (tankless) units. They typically store a small amount of pre‑heated water for immediate use while relying on an on‑demand heating element to supply additional hot water as needed. This design aims to provide continuous hot water without the long recovery times of full storage systems or the energy spikes of purely tankless models.

A storage tank hot water system uses an insulated cylinder to heat and store water for household use. Electric models heat the water with internal elements, while gas units use a burner and flue. Solar systems may rely on solar energy alone or combine solar collectors with a gas or electric booster to ensure hot water is always available.

An instantaneous hot water system heats water on demand without a storage tank. When a tap is turned on, water passes through the unit and is heated instantly. This provides unlimited hot water without the recovery delays of a storage tank. These systems are usually compact and can be wall mounted inside or near the point of use.

A geothermal system, also known as a ground source heat pump, uses stable underground temperatures to heat or cool a home and provide hot water. Pipes buried underground circulate a fluid that absorbs or rejects heat.

A home fuel cell system is a compact unit that generates electricity through an electrochemical reaction, typically using hydrogen or natural gas. The process produces heat as a by-product, which can be harnessed to supply hot water to the home. This integration of power generation and water heating offers a dual benefit, making it an appealing option for energy-conscious homeowners.