Hot Water Systems in Wonga
The 3960 postcode, covering Wonga, Rumbug, Bennison, Boolarong, Foster, Foster North, Gunyah, Mount Best, Shallow Inlet, Tidal River, Turtons Creek, Wilsons Promontory, Woorarra West and Yanakie and surrounding areas, is home to around 1,467 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 Wonga and the 3960 area, 272 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 Wonga's climate delivering an average of 3.9 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 3960
246th
State Wide
855th
Australia Wide
Hot Water Installation Wonga
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 Wonga
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWonga
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 Wonga
Compare heat pump hot water systems suitable for Wonga'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 - Wonga, 3960
Hot Water Demographics - Wonga
Based on the Australian Bureau of Statistics 2021 Census (ABS), Wonga has around 1,467 private dwellings, home to approximately 2,347 people. With an average household size of 2 people, and around 50 litres of hot water used per person each day in Australia, Wonga households use approximately 100 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 Wonga's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Wonga community is home to 113 couple families with children and 33 one-parent families, meaning a large proportion of households face substantial hot water demand. With 237 homes owned with a mortgage and 646 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.
Wonga is converting hot water demand to efficient systems faster than many peers, with 18.5% of dwellings already upgraded.
Hot water systems in Wonga
Across Wonga and the 3960 postcode, more locals are swapping old gas and ageing electric units for an energy efficient hot water system that keeps bills down and showers hot. With most homes here being separate houses and an average household size of around two people, many residents are retirees or smaller families on a budget, looking for steady comfort without bill shock. Median household income sits just over $1,000 a week, so upgrading to a modern hot water system that cuts running costs is a logical next step.
Wonga’s climate is surprisingly kind to efficient hot water. The nearby Upper Toora weather station records an average of 14.1 MJ/m² of solar exposure a day – roughly 3.9 kWh/m² – which is solid for both a solar hot water system and a heat pump hot water system. That sunshine, combined with rising energy prices, makes it easier to justify moving from gas hot water to a solar hot water heating system or a highly efficient heat pump hot water installation. Many households are seeing annual hot water energy savings that really add up over time.
Around 1,164 occupied private dwellings in the postcode, plus a sizeable number of homes owned outright, means plenty of roofs and yards well suited to solar hot water installation and electric hot water installation. In a typical Wonga home, hot water can be one of the biggest energy users, so choosing the most efficient hot water system has a big impact. Brands like Rheem, Rinnai and Chromagen offer solar hot water, while Sanden is well known for premium heat pump hot water; all are commonly considered when locals compare the best hot water system Australia has to offer for long-term savings.
When you look at heat pump vs solar hot water, both can work well in Wonga’s conditions. A quality rheem solar hot water or rinnai solar hot water setup can be ideal for homes with good roof space and daytime hot water use, while a sanden heat pump or rheem heat pump hot water unit suits shaded sites or those wanting to maximise off-peak or solar power. Modern electric hot water system options can also perform well, especially when paired with rooftop solar and smart controls, changing the equation on solar hot water vs electric hot water.
For a sense of savings, typical bill reductions in Wonga might look like:
• Old electric to heat pump hot water system: around $350–$700 a year • Gas to heat pump: roughly $250–$600 a year • Gas to solar hot water system: about $200–$550 a year • Old electric to efficient electric hot water system with solar: around $200–$450 a year
Over the years, Wonga has quietly embraced efficient hot water. There have been 272 efficient hot water installations (mainly heat pump and solar hot water) recorded in the postcode. Installations climbed strongly from 2008 to 2011, with peaks in 2008, 2009 and 2011, then steady numbers through the 2010s. More recently, interest has picked up again, with 17 installs in 2021 and 18 in 2023, showing growing local appetite for electrification, lower running costs and moving away from gas hot water.
Hot Water Rebates, Tariffs & Savings
For Wonga homeowners, hot water vic incentives make upgrades more affordable. Federal Small-scale Technology Certificates (STCs) apply to eligible solar hot water and heat pump systems, effectively acting as an upfront discount. On top of that, state-based heat pump hot water rebate and solar hot water rebate programs can further trim the heat pump hot water price or solar hot water price, and there are electric hot water system rebate options when you replace old, inefficient units. Combined, these hot water rebate vic schemes can slice a substantial percentage off the hot water system price and shorten payback to just a few years, especially if you also have solar and use timers or solar-diversion controls to heat water when your panels are producing. For many households, that means hundreds of dollars a year off bills, plus lower emissions from an energy efficient hot water system.
Of course, even the best heat pump hot water system or solar hot water tank replacement needs proper design, hot water installation and, over time, hot water repair or solar hot water repair support. If you are comparing electric hot water vs gas hot water or weighing up heat pump vs solar hot water, it pays to talk to local specialists who understand Wonga’s homes, tariffs and climate.
If your current unit is old, noisy or costing a fortune to run, now is a smart time to see if your Wonga home is ready for a hot water upgrade. Whether you are moving from gas to an all-electric hot water system, or choosing between a heat pump hot water system and a solar hot water heating system, experienced hot water vic installers like us can help. With strong local solar exposure, a community that values energy efficiency, and generous hot water rebate vic options, an efficient hot water system can cut bills, reduce emissions and future-proof your place. Reach out to our trusted local team for personalised advice on the best hot water system Australia can offer your Wonga home.