Hot Water Systems in Winninowie
The 5700 postcode, covering Winninowie, Willsden, Blanche Harbor, Commissariat Point, Cultana, Davenport, Miranda, Mundallio, Port Augusta, Port Augusta North, Port Augusta West, Port Paterson and Wami Kata and surrounding areas, is home to around 5,362 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 Winninowie and the 5700 area, 840 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 Winninowie's climate delivering an average of 5.2 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 5700
6th
State Wide
358th
Australia Wide
Hot Water Installation Winninowie
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 Winninowie
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWinninowie
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 Winninowie
Compare heat pump hot water systems suitable for Winninowie'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 - Winninowie, 5700
Hot Water Demographics - Winninowie
Based on the Australian Bureau of Statistics 2021 Census (ABS), Winninowie has around 5,362 private dwellings, home to approximately 9,808 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Winninowie households use approximately 110 litres of hot water daily, equating to a massive 0.6 million litres of hot water used across the suburb every single day.
Other census insights reinforce Winninowie's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Winninowie community is home to 635 couple families with children and 386 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,066 homes owned with a mortgage and 1,346 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.
Winninowie is converting hot water demand to efficient systems faster than many peers, with 15.7% of dwellings already upgraded.
Hot water systems in Winninowie
Around Winninowie and the wider 5700 area, more households are rethinking their hot water system and looking at smarter options like a heat pump hot water system, solar hot water system and modern electric hot water system. With average household sizes of about 2.2 people and more than 4,300 occupied dwellings across the postcode, reliable hot water is essential, but rising energy costs mean older gas and electric units are getting harder to justify. Many homes here are owned outright or with a mortgage, so upgrading to an energy efficient hot water system is a logical next step to cut bills and future‑proof the property.
The local climate makes Winninowie well suited to efficient hot water. Nearby Wilmington records an average of about 18.8 MJ/m² of solar exposure annually – roughly 5.2 kWh per square metre per day – which is strong support for both a solar hot water heating system and high‑performance heat pump hot water. When you combine that solar resource with decent household incomes and a good mix of family homes and older residents, shifting from older gas or resistive electric hot water to efficient technology can deliver meaningful Annual Hot Water Energy Savings for Winninowie homeowners.
Across the 5700 postcode, there are thousands of separate houses plus a smaller number of flats and other dwellings, so hot water demand varies from compact one‑bedroom units to larger three and four‑bedroom homes. Hot water can easily account for a quarter of household energy use, so choosing the most efficient hot water system really matters. Locally, many people are comparing heat pump vs solar hot water, or solar hot water vs electric hot water, to work out what suits their roof space, budget and lifestyle. Brands like Rheem and Rinnai are common choices for a rheem solar hot water or rinnai solar hot water system, while premium options such as Sanden heat pump units are popular with those chasing the best heat pump hot water system in Australia. Chromagen solar hot water is also on the radar for those wanting a robust solar hot water tank replacement.
In Winninowie and surrounds, efficient hot water is no longer a niche choice. There have already been 840 efficient hot water installations – combining heat pump hot water installation and solar hot water installation – recorded in the postcode. Installations ramped up in the early 2000s, with strong years like 2003 and 2015, and there has been a steady trickle of systems going in right through to 2025. That pattern shows growing local interest in electrification, lower running costs and moving away from gas hot water towards options like rheem heat pump hot water, Sanden heat pump systems and other energy efficient hot water system brands.
When it comes to costs and savings, most Winninowie households are keen to understand the real numbers. While every home is different, typical annual bill savings can look like this:
• Replacing an old electric hot water system with a quality heat pump hot water system: around $350–$700 per year. • Switching from gas hot water to a heat pump hot water system: roughly $300–$600 per year. • Going from gas to a well‑designed solar hot water system: about $250–$550 per year. • Upgrading an old electric unit to a modern electric hot water system and running it mostly on rooftop solar: around $200–$500 per year.
Those savings depend on how much hot water you use, tariff choices and how well the system is set up. For many homes, a heat pump hot water system offers the most efficient hot water system overall, especially when paired with solar PV and off‑peak or controlled‑load tariffs. Others prefer a solar hot water system with electric boost for simplicity. Either way, understanding hot water system price and ongoing running costs is just as important as the upfront quote.
Hot Water Rebates, Tariffs & Savings
Across SA, including Winninowie, there is growing interest in replacing old gas or electric hot water with efficient options like heat pumps, newer electric hot water installation or solar hot water installation. Australian Federal Government incentives, such as Small‑scale Technology Certificates (STCs), can apply to eligible solar hot water systems and heat pump hot water systems, effectively reducing the solar hot water price or heat pump hot water price at the point of sale. On top of that, state‑based programs can provide a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate in some cases, helping to bring the hot water system price or solar hot water price down by a substantial percentage for hot water SA upgrades.
For Winninowie homeowners, these hot water rebate SA options can mean an efficient upgrade that might have taken ten years to pay back can sometimes pay for itself in as little as four to seven years, especially when combined with rooftop solar and smart controls. Using timers or solar‑diversion technology to run an electric hot water system when your solar is producing can further reduce bills. Shifting from electric hot water vs gas hot water to a well‑sized heat pump or solar hot water heating system can easily save hundreds of dollars per year, while cutting emissions and making your home more comfortable and resilient.
If your current unit is more than ten years old, running out of hot water or needing regular hot water repair, it is worth checking whether a heat pump hot water installation, solar hot water repair and upgrade, or efficient electric hot water installation could be a smarter move. Whether you are comparing heat pump vs solar hot water, looking at rheem solar hot water or chromagen solar hot water options, or chasing the best hot water system Australia can offer your budget, working with experienced local hot water installers is crucial. Winninowie has strong solar exposure and growing interest in sustainability, so now is a great time to reduce bills, cut emissions and future‑proof your home with an efficient hot water upgrade. Connect with trusted local experts for personalised advice and find the right hot water system for your Winninowie property with us.