Hot Water Systems in Hillbank
The 5112 postcode, covering Hillbank, Elizabeth, Elizabeth East, Elizabeth Grove, Elizabeth South and Elizabeth Vale and surrounding areas, is home to around 8,345 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 Hillbank and the 5112 area, 763 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 Hillbank's climate delivering an average of 4.8 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 5112
10th
State Wide
396th
Australia Wide
Hot Water Installation Hillbank
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 Hillbank
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterHillbank
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 Hillbank
Compare heat pump hot water systems suitable for Hillbank'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 - Hillbank, 5112
Hot Water Demographics - Hillbank
Based on the Australian Bureau of Statistics 2021 Census (ABS), Hillbank has around 8,345 private dwellings, home to approximately 18,965 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Hillbank households use approximately 125 litres of hot water daily, equating to a massive 1.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Hillbank's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Hillbank community is home to 1,301 couple families with children and 736 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,422 homes owned with a mortgage and 1,655 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.
Hillbank is converting hot water demand to efficient systems faster than many peers, with 9.1% of dwellings already upgraded.
Hot water systems in Hillbank
Across Hillbank and the wider 5112 area, more households are swapping old gas and electric units for an energy efficient hot water system. With an average household size of around 2.5 people and more than 7,600 dwellings, reliable hot water is a daily essential – but it does not have to cost a fortune. As power prices rise and many families juggle mortgages of about $1,192 a month or rent of $230 a week, upgrading to a modern hot water system is a simple way to cut running costs without sacrificing comfort.
Hillbank is well suited to efficient hot water technology. The local solar exposure at Little Para Reservoir averages about 17.3 MJ/m² per day – roughly 4.8 kWh/m² of sunshine – which is excellent for both a solar hot water system and a heat pump hot water system. That strong sunlight helps a solar hot water heating system pre‑heat your water and lets heat pumps run more efficiently, especially when paired with rooftop solar. For many homes, hot water can be one of the biggest energy users, so shifting from older gas or off‑peak electric to an energy efficient hot water system can deliver meaningful annual savings.
In this part of SA, separate houses dominate and there are thousands of three‑ and four‑bedroom homes, which means decent hot water demand for families. Many of these properties still rely on older gas or resistive electric hot water, so there is plenty of room to move to the most efficient hot water system for your needs. Brands like Rheem, Rinnai, Sanden and Thermann are common choices, whether you are considering a rheem solar hot water package, a rheem heat pump hot water upgrade, a rinnai solar hot water system or a premium sanden heat pump for top‑tier efficiency. Local installers can talk you through heat pump vs solar hot water options, as well as modern electric hot water system choices.
For Hillbank households, typical savings from a smart hot water installation can look like this:
• Replacing an old electric hot water system with a heat pump hot water system: around $350–$700 a year off bills. • Switching gas to a heat pump hot water system: roughly $250–$600 a year saved. • Moving gas to a solar hot water system: about $200–$500 a year. • Upgrading an old electric hot water system to a modern electric hot water installation run mostly on solar: often $250–$600 a year.
In total, there have already been 763 efficient hot water installations (heat pump and solar hot water installation jobs combined) recorded in the 5112 postcode. Install numbers climbed strongly around 2008–2010 and again in 2013 and 2015, as rebates and rising bills pushed interest in hot water sa upgrades. While annual numbers have eased more recently, steady installations through to 2025 show that Hillbank homeowners are still keen on electrification, lower running costs and cutting gas where possible.
Hot Water Rebates, Tariffs & Savings
Right across Hillbank, more people are asking whether to choose a heat pump hot water system, a solar hot water system or a modern electric hot water system as they replace ageing units. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively reducing the heat pump hot water price or solar hot water price at the point of sale. On top of that, state‑based schemes can offer a heat pump hot water rebate, a solar hot water rebate or even an electric hot water system rebate for certain efficient models, all of which bring down the overall hot water system price or cost.
For many Hillbank homes, these hot water rebate sa programs can slice a substantial percentage off upfront costs and shorten payback periods to just a few years, especially if you already have solar. Combining an efficient hot water upgrade with daytime timers or solar diversion controls can increase the share of free solar hot water vs electric hot water drawn from the grid. Over time, that can mean hundreds of dollars saved each year, particularly if you are moving from electric hot water vs gas hot water and aiming for an all‑electric home.
No matter whether you are comparing the best hot water system australia options, looking for the best heat pump hot water system, planning a solar hot water tank replacement or simply need hot water repair or solar hot water repair, it pays to get local advice. If your unit is older, noisy or struggling, now is a good time to check if your Hillbank home is ready for a hot water upgrade – from gas or old electric to a heat pump or solar hot water system. Talk with experienced hot water installers who specialise in heat pump hot water installation, solar hot water installation and electric hot water installation. With Hillbank’s strong solar resource and growing interest in sustainability, a well‑chosen hot water system can help reduce bills, cut emissions and future‑proof your home, so connect with trusted local experts for personalised advice with us.