Hot Water Systems in Auburn South
The 3122 postcode, covering Auburn South, Glenferrie South, Hawthorn, Hawthorn North and Hawthorn West and surrounding areas, is home to around 11,488 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 South and the 3122 area, 202 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 South'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 3122
289th
State Wide
1022nd
Australia Wide
Hot Water Installation Auburn South
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 South
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterAuburn South
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 South
Compare heat pump hot water systems suitable for Auburn South'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 South, 3122
Hot Water Demographics - Auburn South
Based on the Australian Bureau of Statistics 2021 Census (ABS), Auburn South has around 11,488 private dwellings, home to approximately 20,235 people. With an average household size of 2.1 people, and around 50 litres of hot water used per person each day in Australia, Auburn South households use approximately 105 litres of hot water daily, equating to a massive 1.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Auburn South's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Auburn South community is home to 1,403 couple families with children and 236 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,422 homes owned with a mortgage and 2,602 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 South is converting hot water demand to efficient systems faster than many peers, with 1.8% of dwellings already upgraded.
Hot water systems in Auburn South
In Auburn South, more households are rethinking their hot water system and moving to efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With a median household income around $2,145 a week and many residents juggling mortgages and $400‑a‑week rents, running costs really matter. Average household size here is 2.1 people, so hot showers, dishwashers and laundries add up – upgrading an older gas or electric unit is a logical next step.
Our local climate helps. The Hawthorn (Scotch College) weather station records around 15 MJ/m² of solar exposure annually – roughly 4.2 kWh/m² per day – plenty to support a solar hot water heating system or a high‑efficiency heat pump hot water system. With more than 9,700 occupied dwellings across separate houses and thousands of apartments, there is strong potential for energy efficient hot water system upgrades that cut bills and emissions. Many Auburn South homes already have rooftop solar, so pairing it with a heat pump or solar hot water installation can unlock serious savings compared with older gas hot water.
In 3122, the mix of compact apartments and family homes means hot water demand varies, but it is still one of the biggest energy users in the house. Swapping an old electric hot water system or gas storage unit for the most efficient hot water system you can fit – whether that is a Sanden heat pump, Rheem heat pump hot water, Rheem solar hot water or Rinnai solar hot water – is often the fastest way to shrink bills. Locals are also comparing heat pump vs solar hot water and even solar hot water vs electric hot water to find what suits their roof space, budget and lifestyle.
Average annual bill savings in Auburn South typically fall in these ranges:
• Old electric to heat pump hot water installation: $350–$700 per year • Gas storage to heat pump: $250–$550 per year • Gas storage to solar hot water installation: $250–$600 per year • Old electric to modern electric hot water installation with rooftop solar: $200–$450 per year
Brands like Sanden, Rheem and Rinnai have become popular choices for the best heat pump hot water system or best hot water system Australia‑wide, while Chromagen solar hot water also appears on local roofs. Whether you are planning a solar hot water tank replacement, a fresh electric hot water installation or a full heat pump hot water installation, it is worth comparing heat pump hot water price / cost and solar hot water price / cost against long‑term savings.
Recent Installs in Auburn South
Across the 3122 postcode, there have already been 202 efficient hot water systems installed, including both heat pump and solar hot water systems. Installations ramped up in the late 2000s, peaking around 2008–2010, with another solid run from 2015 through 2018. While yearly numbers now sit in the single digits, the steady flow of new systems shows ongoing interest in hot water VIC upgrades, electrification and lower running costs. Each new system nudges more households away from gas and towards an all‑electric home.
Hot Water Rebates, Tariffs & Savings
With electricity tariffs and gas prices on the rise, Auburn South homeowners and investors are increasingly replacing old gas or electric units with efficient options. Federal incentives like Small‑scale Technology Certificates (STCs) can reduce the effective hot water system price / cost for eligible solar hot water and heat pump systems. On top of that, state‑based heat pump hot water rebate and solar hot water rebate programs in Victoria, along with occasional electric hot water system rebate offers, can shave thousands off upfront costs. For many households, these hot water rebate VIC incentives mean an efficient upgrade can pay for itself in just a few years, especially when combined with rooftop solar, timers or smart solar‑diversion controls. Typical savings can reach hundreds of dollars per year, particularly when shifting from electric hot water vs gas hot water to an efficient heat pump or solar system.
If your current unit is more than 10 years old, running out of hot water or needing regular hot water repair, it is a good time to look at your options. Whether you are weighing heat pump vs solar hot water, planning solar hot water repair, or checking the true heat pump hot water price / cost against long‑term savings, an experienced installer can help you choose the most efficient hot water system for your home. Auburn South’s strong solar resource and growing interest in sustainability make efficient hot water a smart, future‑proof choice.
Thinking about a hot water upgrade in Auburn South? Now is an ideal time to move away from ageing gas or electric units and towards a modern heat pump or solar hot water system. Work with our experienced local hot water installation and hot water repair specialists to cut bills, reduce emissions and future‑proof your home – connect with trusted experts for personalised advice today.
