Hot Water Systems in Auburn
The 3123 postcode, covering Auburn and Hawthorn East and surrounding areas, is home to around 7,477 households. With many households already generating their own clean solar power, many are now looking at how they can make their entire home energy system more efficient, with hot water heating often the logical next step.
With hot water roughly accounting for a quarter of the average home's energy use, switching to an energy-efficient hot water system is one of the biggest opportunities for savings. Across Auburn and the 3123 area, 162 homeowners have already switched from older electric storage and gas hot water systems to solar hot water or air-source heat pump systems that draw on clean, renewable power while also claiming the hot water rebates to reduce their hot water heater system cost. These highly-efficient systems not only help cut energy bills but also reduce carbon emissions and improve overall energy independence.
With Auburn's climate delivering an average of 4.2 kWh/m² per day, conditions are ideal for hot water systems and hybrid heat pump systems that harness both sunlight and ambient air temperature to heat water efficiently all year round. When paired with existing rooftop solar power or solar batteries, the result is hot water that costs far less to run and is powered by clean, self-generated energy.
Hot Water Ranking
Postcode 3123
314th
State Wide
1138th
Australia Wide
Hot Water Installation Auburn
Estimated daily energy to heat household water, comparing a resistive electric element with a high-efficiency heat pump. Demand shifts month-to-month using local climate patterns.
Energy Efficient Hot Water & Solar Power Auburn
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterAuburn
Illustrates how a typical 6.6 kW rooftop solar system can offset the daytime energy demand of a COP 5 heat pump hot water unit.
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Heat Pump Hot Water Systems for Auburn
Compare heat pump hot water systems suitable for Auburn's climate. These energy-efficient systems are designed to work in local temperature conditions and can significantly reduce your hot water energy costs.
Community Hot Water Statistics - Auburn, 3123
Hot Water Demographics - Auburn
Based on the Australian Bureau of Statistics 2021 Census (ABS), Auburn has around 7,477 private dwellings, home to approximately 13,974 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Auburn households use approximately 115 litres of hot water daily, equating to a massive 0.9 million litres of hot water used across the suburb every single day.
Other census insights reinforce Auburn's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Auburn community is home to 1,108 couple families with children and 200 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,767 homes owned with a mortgage and 1,845 owned outright, many residents also have the homeownership and growing equity that make switching to efficient hot water systems a practical way to lower expenses.
Auburn is converting hot water demand to efficient systems faster than many peers, with 2.2% of dwellings already upgraded.
Hot water systems in Auburn
Across Auburn, more homeowners and businesses are moving away from old gas and ageing electric units and upgrading to an energy efficient hot water system. With an average household size of 2.3 people and a mix of family homes and apartments, reliable hot water that does not chew through your power bill is a big win. Many households are on good incomes, but with rising energy costs, switching to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a smart next step.
Auburn’s climate is well suited to efficient hot water. The local solar exposure at Hawthorn (Scotch College) averages about 15 MJ/m² per day, which is roughly 4.2 kWh of solar energy hitting each square metre daily over the year. That steady sunshine helps a solar hot water heating system or heat pump hot water system perform well, especially when paired with rooftop solar. In a postcode with more than 6,200 occupied dwellings and a high share of rented apartments alongside homes owned outright and with mortgages, upgrading from older gas or resistive electric hot water to the most efficient hot water system technology can deliver meaningful annual hot water energy savings for Auburn households.
In 3123, the typical 2–3 bedroom home has hot water demand that suits a 250–315 litre electric hot water installation or a well-sized heat pump hot water installation. Hot water use can be one of the largest single loads on a home’s energy bill, so moving to an energy efficient hot water system has a big impact. Local installers commonly work with brands like Rheem, Rinnai, Sanden and Thermann, offering options from rheem solar hot water and rheem heat pump hot water through to rinnai solar hot water and premium sanden heat pump systems. These are among the best hot water system Australia options for combining performance, warranty support and value.
Average bill savings in Auburn for common upgrade paths can look like this:
• Old electric to heat pump: save around $350–$700 per year. • Gas to heat pump: save around $250–$600 per year. • Gas to solar hot water: save around $200–$550 per year. • Old electric to modern electric with solar: save around $200–$500 per year.
Over time, these savings help offset the hot water system price or cost, whether you are looking at a heat pump hot water price or cost, a solar hot water price or cost, or a quality electric hot water system. For many Auburn homes, heat pump vs solar hot water comes down to roof space, budget and whether you already have solar PV. A solar hot water vs electric hot water comparison usually shows big running cost wins for solar and heat pumps, especially when you factor in hot water rebate vic programs.
Recent data shows 162 efficient hot water systems have already been installed in the Auburn postcode, including both heat pump and solar hot water installation projects. Installations ramped up from 2008 onwards, with strong years around 2009–2016 and renewed growth in 2023–2024 as more households focus on electrification and lower running costs. This trend reflects growing local interest in hot water VIC solutions that cut bills, reduce emissions and future proof homes, from new heat pump hot water installation jobs through to solar hot water tank replacement and solar hot water repair or general hot water repair work.
Hot Water Rebates, Tariffs & Savings
Right now, Auburn homeowners are increasingly replacing old gas or electric units with efficient options like heat pumps, modern electric hot water system upgrades and solar hot water systems. Australian Government incentives, including Small-scale Technology Certificates (STCs), can reduce the upfront hot water system price or cost for eligible heat pump and solar hot water systems. On top of that, Victorian state programs can offer a heat pump hot water rebate, solar hot water rebate or electric hot water system rebate that further lowers the heat pump hot water price or cost or solar hot water price or cost for eligible households. For many Auburn properties, these discounts can effectively cut the system cost by a substantial percentage and bring payback periods down to just a few years, especially if you also use timers or solar diversion to run your hot water system when your solar is generating. With typical savings of hundreds of dollars per year, an energy efficient hot water system can quickly become the most efficient hot water system choice for your budget as well as the environment.
If you are in Auburn and your current unit is older gas or an electric storage system, now is a good time to see if your home is ready for a hot water upgrade. Whether you are weighing up solar hot water vs electric hot water, comparing the best heat pump hot water system options, or planning an electric hot water installation for an all electric home, working with experienced hot water installers and hot water repair specialists is essential. With strong local interest in sustainability and solid solar resources, efficient hot water systems can help Auburn households reduce bills, cut emissions and future proof their properties. Connect with trusted local experts for personalised advice on hot water systems Auburn wide and make the most of every hot water rebate VIC has to offer.