Hot Water Systems in Mount Warrigal
The 2528 postcode, covering Mount Warrigal, Barrack Heights, Barrack Point, Lake Illawarra, Warilla and Windang and surrounding areas, is home to around 10,106 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 Mount Warrigal and the 2528 area, 814 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 Mount Warrigal's climate delivering an average of 4.5 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 2528
82nd
State Wide
370th
Australia Wide
Hot Water Installation Mount Warrigal
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 Mount Warrigal
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterMount Warrigal
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.
Want Solar Finance Options?
Compare lenders and get tailored loan offers.
Heat Pump Hot Water Systems for Mount Warrigal
Compare heat pump hot water systems suitable for Mount Warrigal'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 - Mount Warrigal, 2528
Hot Water Demographics - Mount Warrigal
Based on the Australian Bureau of Statistics 2021 Census (ABS), Mount Warrigal has around 10,106 private dwellings, home to approximately 22,272 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Mount Warrigal households use approximately 120 litres of hot water daily, equating to a massive 1.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Mount Warrigal's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Mount Warrigal community is home to 1,367 couple families with children and 764 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,351 homes owned with a mortgage and 3,577 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.
Mount Warrigal is converting hot water demand to efficient systems faster than many peers, with 8.1% of dwellings already upgraded.
Hot water systems in Mount Warrigal
Across Mount Warrigal, more locals are swapping old gas and ageing electric units for an energy efficient hot water system that actually suits coastal living and rising power prices. With an average household size of around 2.4 people and more than 10,000 dwellings across 2528, hot water is a big chunk of the energy bill for families, retirees and renters alike. Upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is becoming the logical next step after rooftop solar.
Mount Warrigal enjoys strong sunshine, with mean daily solar exposure of about 16 MJ/m², or roughly 4.4 kWh/m² per day over the year. That level of sun is ideal for both a solar hot water heating system and high‑efficiency heat pump hot water, which effectively ‘pulls’ heat out of the coastal air. With many homes owned outright or with a mortgage, and a median household income that makes every dollar count, the annual hot water energy savings from upgrading can make a real difference to budgets.
In the 2528 area there are more than 7,000 separate houses plus a good number of townhouses and flats, so hot water demand ranges from compact units through to busy family homes. A typical three‑bedroom home can see hot water energy use making up a quarter or more of total electricity. Swapping an old electric hot water system or gas storage unit for the most efficient hot water system available – usually a quality heat pump hot water system or well‑designed solar hot water system – can cut that dramatically. Brands like Rheem heat pump hot water, Sanden heat pump units and solar options from Rheem solar hot water and Rinnai solar hot water are all seen in the local market, alongside Chromagen solar hot water on some rooftops.
Typical annual bill savings for Mount Warrigal homes can look like this:
• Old electric to heat pump hot water installation: save around $400–$800 per year. • Gas storage to heat pump hot water: save roughly $300–$700 per year. • Gas storage to solar hot water installation: save about $300–$600 per year. • Old electric to modern electric hot water installation with good solar: save around $250–$500 per year.
There have already been 814 efficient hot water installations in the 2528 postcode, combining heat pump and solar hot water installation projects. Install numbers really took off around 2008–2011, peaking at 212 systems in 2009 and 169 in 2010 as early rebates and the solar boom hit. While yearly totals have eased back since, recent installations through to 2025 show steady interest in electrification, lower running costs and replacing tired solar hot water tanks. Many of those older systems are now due for solar hot water tank replacement or solar hot water repair, and owners are weighing up heat pump vs solar hot water for their next upgrade.
Hot Water Rebates, Tariffs & Savings NSW
Across Mount Warrigal, more people are asking whether to choose heat pump hot water vs solar hot water, or even solar hot water vs electric hot water, when their old unit fails. Federal incentives like Small‑scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems and can trim the solar hot water price / cost or heat pump hot water price / cost by a substantial amount. On top of that, state programs can offer a heat pump hot water rebate or solar hot water rebate, and in some cases an electric hot water system rebate when replacing inefficient units, all of which reduce the upfront hot water system price / cost for hot water NSW homeowners.
For many Mount Warrigal households, these hot water rebate NSW schemes can effectively knock thousands off the installed cost, cutting payback periods to just a few years. Combine an energy efficient hot water system with rooftop solar, smart timers or solar‑diversion controls, and it is common to save hundreds of dollars a year while moving towards an all‑electric home and away from gas hot water. Choosing a high‑performing option, such as the best heat pump hot water system you can reasonably afford, or a well‑sized solar hot water vs electric hot water setup, helps ensure you are getting one of the best hot water system Australia options for your situation.
If your current unit is leaking, unreliable or just old and costly, now is a good time to check if your Mount Warrigal home is ready for a hot water upgrade. Whether you are moving from electric hot water vs gas hot water to a modern heat pump or solar hot water heating system, or simply need fast hot water repair or solar hot water repair, it pays to work with experienced local installers who understand our climate, tariffs and rebates. Talk with trusted hot water specialists in Mount Warrigal for personalised advice on heat pump hot water installation, solar hot water tank replacement or efficient electric hot water installation, and start cutting bills, reducing emissions and future‑proofing your home today.