Hot Water Systems in Dumaresq Island
The 2430 postcode, covering Dumaresq Island, Happy Valley, Kolodong, Taree Dc, Taree West, Black Head, Bohnock, Bootawa, Brimbin, Cabbage Tree Island, Chatham, Croki, Cundletown, Diamond Beach, Failford, Ghinni Ghinni, Glenthorne, Hallidays Point, Hillville, Jones Island, Kiwarrak, Koorainghat, Kundle Kundle, Lansdowne, Lansdowne Forest, Manning Point, Melinga, Mitchells Island, Mondrook, Old Bar, Oxley Island, Pampoolah, Possum Brush, Purfleet, Rainbow Flat, Red Head, Saltwater, Tallwoods Village, Taree, Taree South, Tinonee, Upper Lansdowne and Wallabi Point and surrounding areas, is home to around 15,936 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 Dumaresq Island and the 2430 area, 3,574 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 Dumaresq Island's climate delivering an average of 4.7 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 2430
6th
State Wide
39th
Australia Wide
Hot Water Installation Dumaresq Island
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 Dumaresq Island
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterDumaresq Island
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 Dumaresq Island
Compare heat pump hot water systems suitable for Dumaresq Island'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 - Dumaresq Island, 2430
Hot Water Demographics - Dumaresq Island
Based on the Australian Bureau of Statistics 2021 Census (ABS), Dumaresq Island has around 15,936 private dwellings, home to approximately 33,732 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Dumaresq Island households use approximately 115 litres of hot water daily, equating to a massive 1.8 million litres of hot water used across the suburb every single day.
Other census insights reinforce Dumaresq Island's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Dumaresq Island community is home to 2,042 couple families with children and 1,066 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,687 homes owned with a mortgage and 6,277 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.
Dumaresq Island is converting hot water demand to efficient systems faster than many peers, with 22.4% of dwellings already upgraded.
Hot water systems in Dumaresq Island
Across Dumaresq Island and the wider 2430 area, 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 an average household size of around 2.3 people and more than 12,000 separate houses in the postcode, reliable hot water is essential – but so is keeping running costs under control as power prices rise.
The local climate makes upgrading a logical next step. Taree Airport records an impressive 16.9 MJ/m² of solar exposure annually – roughly 4.7 kWh of sun energy per square metre per day – which is ideal for both a solar hot water heating system and high-performance heat pump hot water. For many Dumaresq Island families, especially those on median household incomes of about $1,100 per week and a big share of residents over 49, shifting to an energy efficient hot water system is about long-term bill savings and comfort as much as sustainability.
In 2430, there are thousands of dwellings and a strong base of owner-occupiers, so demand for durable, low-maintenance systems is high. Brands like Rheem solar hot water, Rinnai solar hot water, Chromagen solar hot water and premium Sanden heat pump units are all popular choices for those wanting the most efficient hot water system they can reasonably afford. Many locals are weighing up heat pump vs solar hot water, or even solar hot water vs electric hot water boosted by rooftop solar, to find the best hot water system Australia can offer for their situation.
Average hot water energy use can be a big slice of a home’s electricity bill, so the right hot water installation can make a real dent in costs. In the 2430 postcode, 3,574 efficient hot water systems have already been installed, combining heat pump hot water installation and solar hot water installation. Installations surged around 2009–2011, with 640 systems in 2009 and 584 in 2010, and while yearly numbers have settled since, steady installs through to 2024–2025 show ongoing interest in electrification and lower running costs. Many of these systems are paired with rooftop solar for even better savings.
Typical annual bill savings for Dumaresq Island homes can look like:
• Old electric to heat pump hot water system: save about $350–$700 per year. • Gas to heat pump hot water: save around $250–$600 per year. • Gas to solar hot water system: save roughly $250–$550 per year. • Old electric to modern electric hot water installation with solar: save about $200–$500 per year.
Of course, the exact hot water system price / cost, heat pump hot water price / cost or solar hot water price / cost depends on the size of your home, how many showers you take and whether you add extras like timers or solar diversion. Electric hot water installation is often cheapest upfront, but many locals are now choosing heat pumps or solar because they are chasing the most energy efficient hot water system over the long term.
Federal incentives like Small-scale Technology Certificates (STCs) and NSW hot water rebate programs can significantly cut the upfront solar hot water price / cost or heat pump hot water price / cost. A solar hot water rebate or heat pump hot water rebate, and even an electric hot water system rebate in some schemes, can trim the sticker price by a substantial percentage. For many Dumaresq Island households, that means payback periods of just a few years, especially if the system is paired with rooftop solar and smart controls. When you combine an appropriate hot water rebate nsw with off-peak tariffs or solar-diversion, it is common to shave hundreds of dollars off annual bills.
Ongoing hot water repair and solar hot water repair services are also important locally, particularly for older systems needing a solar hot water tank replacement or element change-out. Working with experienced installers who know hot water NSW conditions ensures your system is sized correctly, set up for local tariffs and ready for future battery or solar upgrades.
If you are on Dumaresq Island and your current unit is ageing, noisy or costing a fortune to run, now is a smart time to review your options – whether that is a rheem heat pump hot water unit, rinnai solar hot water package, chromagen solar hot water system or a high-end sanden heat pump. A well-planned hot water upgrade can cut emissions, reduce bills and future-proof your home as more residents move away from gas. To find the best heat pump hot water system or solar hot water vs electric hot water solution for your household, it pays to talk with trusted local experts in hot water installation and hot water repair who understand the area’s strong solar resources and growing focus on sustainability – and can give you personalised advice that fits your budget and your home.