Hot Water Systems in Wallaway
The 5431 postcode, covering Wallaway, Amyton, Black Rock, Coomooroo, Eurelia, Hammond, Johnburg, Johnburgh, Minburra, Minburra Plain, Minburra Station, Morchard, North Hills, Orroroo, Pekina, Tarcowie, Walloway, Willowie and Yalpara and surrounding areas, is home to around 460 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 Wallaway and the 5431 area, 22 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 Wallaway's climate delivering an average of 5.3 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 5431
239th
State Wide
2074th
Australia Wide
Hot Water Installation Wallaway
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 Wallaway
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWallaway
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 Wallaway
Compare heat pump hot water systems suitable for Wallaway'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 - Wallaway, 5431
Hot Water Demographics - Wallaway
Based on the Australian Bureau of Statistics 2021 Census (ABS), Wallaway has around 460 private dwellings, home to approximately 746 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Wallaway households use approximately 110 litres of hot water daily, equating to a massive 0.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Wallaway's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Wallaway community is home to 48 couple families with children and 3 one-parent families, meaning a large proportion of households face substantial hot water demand. With 83 homes owned with a mortgage and 203 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.
Wallaway is converting hot water demand to efficient systems faster than many peers, with 4.8% of dwellings already upgraded.
Hot water systems in Wallaway
Across Wallaway and the wider 5431 district, more households are rethinking their old gas and electric hot water system and switching to efficient options like a heat pump hot water system, solar hot water system or modern electric hot water system. With most locals living in separate houses and an average household size of around 2.2 people, there is steady hot water demand, but also a real opportunity to cut running costs. Median household income here is modest, and many homes are owned outright, so choosing the most efficient hot water system can make a noticeable difference to the budget.
Wallaway enjoys strong sunshine, with average annual solar exposure of about 19 MJ/m² per day – roughly 5.3 kWh/m² of solar energy daily. That makes a solar hot water heating system or a quality heat pump hot water installation a logical next step if you are upgrading from an older electric or gas hot water unit. Over a year, homeowners in Wallaway can save a significant chunk of their hot water energy use by moving to an energy efficient hot water system, especially when paired with rooftop solar.
In the 5431 postcode, most dwellings are three‑bedroom homes, which suits a typical family‑sized hot water installation. Hot water can be one of the biggest energy users in a home, so choosing between heat pump vs solar hot water, or solar hot water vs electric hot water, really matters. Brands like Rheem heat pump hot water and Rheem solar hot water, Rinnai solar hot water and premium options such as Sanden heat pump systems are all seen as contenders for the best heat pump hot water system and some of the best hot water system Australia wide. For solar, you will also find chromagen solar hot water in the mix for rural properties wanting robust gear.
Typical hot water system price or cost will vary by size and technology, but the heat pump hot water price or cost and solar hot water price or cost can often be offset by lower bills. To give you a feel for savings in a place like Wallaway SA, here are some realistic annual bill reductions many households see:
• Old electric to heat pump hot water system: save about $350–$650 per year. • Gas to heat pump hot water: save about $250–$500 per year. • Gas to solar hot water system: save about $200–$450 per year. • Old electric to modern electric hot water with solar: save about $250–$500 per year.
Efficient hot water is not new to the area. In the 5431 postcode there have already been 22 efficient hot water systems installed, including heat pump and solar hot water installation projects. Installations picked up in years like 2010 and 2011, with smaller waves again in 2019 and 2023, showing a steady, long‑term interest in electrification and lower running costs. Each of these systems helps local households move towards all‑electric homes with lower emissions and more predictable bills.
Hot Water Rebates, Tariffs & Savings
For hot water SA homeowners, there is growing interest in replacing ageing gas units with a heat pump hot water system, or upgrading an old cylinder to a modern solar hot water system or efficient electric hot water system. Federal incentives such as Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively acting as an upfront discount. On top of that, state programs can provide a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate for certain properties. For many Wallaway households, these hot water rebate SA schemes can trim the system cost by a substantial percentage and cut payback times down to just a few years. Combine rebates with solar, timers or smart solar‑diversion, and you can shave hundreds of dollars per year off bills while enjoying reliable hot water. If something does go wrong, local specialists can help with hot water repair, solar hot water repair and solar hot water tank replacement to keep everything running smoothly.
If your current unit is rusty, noisy or more than 10–12 years old, now is a smart time to check whether your Wallaway home is ready for a hot water upgrade. Whether you are weighing up electric hot water vs gas hot water, comparing heat pump vs solar hot water, or simply want the most efficient hot water system your budget allows, it pays to talk to experienced hot water SA installers like us. We understand the energy‑efficiency potential in Wallaway and can recommend the right energy efficient hot water system to reduce bills, cut emissions and future‑proof your home. Connect with our trusted local experts for personalised advice on hot water installation, hot water repair and rebates, and find the best solution for your property today.