Hot Water Systems in Windang
The 2528 postcode, covering Windang, Barrack Heights, Barrack Point, Lake Illawarra, Mount Warrigal and Warilla 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 Windang 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 Windang'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 Windang
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 Windang
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWindang
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 Windang
Compare heat pump hot water systems suitable for Windang'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 - Windang, 2528
Hot Water Demographics - Windang
Based on the Australian Bureau of Statistics 2021 Census (ABS), Windang 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, Windang 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 Windang's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Windang 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.
Windang is converting hot water demand to efficient systems faster than many peers, with 8.1% of dwellings already upgraded.
Hot water systems in Windang
Around Windang, more locals are rethinking their hot water system as power prices climb and families look to cut bills. With an average household size of 2.4 people and more than 7,000 separate houses across the 2528 postcode, reliable, energy efficient hot water really matters. Many homes still run older gas or electric hot water, but 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 for households keen to save.
Windang is actually very well suited to efficient hot water. The local solar exposure averages about 16 MJ/m² per day over the year, which is roughly 4.4 kWh/m²/day – plenty of sunshine to drive a solar hot water heating system or boost a heat pump hot water system. With a median household income of about $1,166 a week and a big mix of retirees and working families, any cut to running costs helps free up the budget. Swapping an old gas or electric unit for a more efficient hot water installation can deliver solid Annual Hot Water Energy Savings without changing your lifestyle.
Across 2528 there are more than 9,000 occupied dwellings, many three‑bedroom homes with steady hot water demand. That makes choosing the best hot water system Australia can offer for your needs important – whether that is a compact electric hot water system for a unit, or a larger rheem solar hot water or chromagen solar hot water setup for a family home with good roof space. Brands like Rheem, Rinnai and Sanden heat pump units are popular in the area, with Sanden and other premium models often picked as the best heat pump hot water system for low running costs and quiet performance.
Average annual bill savings in Windang from a smart upgrade can be substantial:
• Old electric to heat pump hot water system: save around $350–$700 per year. • Gas to heat pump hot water: save roughly $250–$600 per year. • Gas to solar hot water system: save about $300–$650 per year. • Old electric to modern electric hot water installation with rooftop solar: save around $250–$500 per year.
Local data shows 814 efficient hot water systems installed in the 2528 postcode, including both heat pump hot water installation and solar hot water installation. Install numbers jumped sharply in 2009 and 2010, when rebates were strongest, with more than 380 systems installed in those two years alone. While yearly totals have eased since, recent installations in 2024 and 2025 show ongoing interest in electrification, lower running costs and moving away from gas hot water towards the most efficient hot water system options.
Hot Water Rebates, Tariffs & Savings
There is growing interest in Windang in replacing old gas or storage electric units with efficient options like heat pump hot water, new electric hot water system models and solar hot water vs electric hot water combinations that work with rooftop PV. Homeowners here can usually tap into Federal incentives such as Small‑scale Technology Certificates (STCs) for approved solar hot water systems and heat pump hot water, plus NSW hot water rebate programs that effectively cut the upfront heat pump hot water price / cost or solar hot water price / cost by a significant percentage. In many cases, these discounts on hot water nsw upgrades can knock thousands off the installed hot water system price / cost.
Depending on your usage, it is common to save hundreds of dollars a year on bills with an energy efficient hot water system, especially when you also use timers or solar diversion so your electric hot water vs gas hot water costs are shifted to cheaper daytime solar. With rebates and good tariffs, the payback period on a rheem heat pump hot water unit, rinnai solar hot water, sanden heat pump or other efficient system can shorten dramatically. Electric hot water system rebate offers and heat pump hot water rebate schemes, alongside solar hot water rebate support, mean a hot water upgrade can be much more affordable than many people expect.
If your current system is older, leaking, or you are weighing up heat pump vs solar hot water, now is a good time to look at options. Whether you need hot water repair, solar hot water repair, a full solar hot water tank replacement, or a fresh electric hot water installation, working with experienced local hot water installers is the safest way to get reliable advice. Windang’s strong solar resource and growing interest in sustainability make it ideal for energy efficient hot water system upgrades that reduce bills, cut emissions and future‑proof your home. To understand which hot water systems Windang households are choosing, compare heat pump hot water price / cost, solar hot water vs electric hot water, and find the right hot water rebate nsw options for your property, connect with trusted local experts for personalised advice with us today.