Hot Water Systems in Roseworthy
The 5371 postcode, covering Roseworthy, Morn Hill, Shea-oak Log and Templers and surrounding areas, is home to around 467 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 Roseworthy and the 5371 area, 89 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 Roseworthy's climate delivering an average of 4.9 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 5371
157th
State Wide
1483rd
Australia Wide
Hot Water Installation Roseworthy
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 Roseworthy
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterRoseworthy
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 Roseworthy
Compare heat pump hot water systems suitable for Roseworthy'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 - Roseworthy, 5371
Hot Water Demographics - Roseworthy
Based on the Australian Bureau of Statistics 2021 Census (ABS), Roseworthy has around 467 private dwellings, home to approximately 1,251 people. With an average household size of 2.9 people, and around 50 litres of hot water used per person each day in Australia, Roseworthy households use approximately 145 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 Roseworthy's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Roseworthy community is home to 116 couple families with children and 20 one-parent families, meaning a large proportion of households face substantial hot water demand. With 225 homes owned with a mortgage and 157 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.
Roseworthy is converting hot water demand to efficient systems faster than many peers, with 19.1% of dwellings already upgraded.
Hot water systems in Roseworthy
Across Roseworthy, more homeowners 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 mostly separate houses, an average household size of 2.9 people and 366 local families, hot water demand is solid, and so are the savings when you upgrade. Many homes are mortgaged or owned outright, so improving comfort and cutting running costs is a smart way to protect that investment.
Roseworthy’s sunshine is a real asset. The town’s average annual solar exposure is about 17.5 MJ/m² per day, which is roughly 4.9 kWh of solar energy hitting each square metre daily. That strong solar resource supports both a solar hot water heating system on the roof and an efficient heat pump hot water system on the ground, especially when paired with rooftop solar. Shifting from older gas or resistive electric systems to an energy efficient hot water system can trim a big chunk off your electricity use, with many households seeing annual hot water energy savings in the hundreds of dollars.
In the 5371 postcode there are 432 occupied private dwellings and most are three‑ or four‑bedroom homes, which typically means two bathrooms and higher hot water use. That makes choosing the most efficient hot water system important. Brands like Rheem, Rinnai, Sanden and Thermann are common choices locally, offering everything from rheem solar hot water and rheem heat pump hot water to rinnai solar hot water and premium sanden heat pump units. Many locals ask about heat pump vs solar hot water, or solar hot water vs electric hot water, and the right answer often depends on your roof space, budget, tariff and whether you already have solar panels.
Typical savings when you upgrade in Roseworthy can look like this:
• Old electric to heat pump hot water installation: around $350–$700 a year off bills. • Gas to heat pump hot water: around $250–$600 a year. • Gas to solar hot water installation: around $200–$550 a year. • Old electric to modern electric hot water installation with solar: around $200–$500 a year.
Over the years, Roseworthy has seen 89 efficient hot water installations, combining heat pump and solar hot water installation projects. Installations peaked around 2008–2010, with steady numbers in later years and new systems still going in through 2024 and 2025. This trend reflects growing interest in electrification, lower running costs and more reliable hot water sa solutions. As systems age, more households are also seeking hot water repair, solar hot water repair and solar hot water tank replacement rather than sticking with inefficient units.
When it comes to hot water rebate sa options, Roseworthy homeowners can often access a mix of Australian Government Small‑scale Technology Certificates and state hot water rebate sa programs. These can apply to a solar hot water system, heat pump hot water system or even an efficient electric hot water system rebate in some cases. Combined, these incentives can cut the heat pump hot water price or cost, or the solar hot water price or cost, by a substantial percentage, bringing the hot water system price or cost closer to a standard electric replacement. With lower upfront costs and ongoing bill savings, the payback period can drop to just a few years, especially if you use timers or solar diversion to run the system when your panels are generating.
If you are comparing electric hot water vs gas hot water, or weighing up the best hot water system australia options for your family, it is worth talking to local specialists who understand Roseworthy’s climate and tariffs. Whether you need hot water installation, hot water repair, heat pump hot water installation, electric hot water installation or advice on the best heat pump hot water system, working with experienced hot water installers helps you reduce bills, cut emissions and future‑proof your home. Roseworthy’s strong solar resource and growing interest in sustainability make now a good time to see if an energy efficient hot water upgrade is right for you, and to connect with trusted local experts for personalised advice with us.