Hot Water Systems in Windale
The 2306 postcode, covering Windale and surrounding areas, is home to around 1,404 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 Windale and the 2306 area, 54 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 Windale'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 2306
447th
State Wide
1716th
Australia Wide
Hot Water Installation Windale
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 Windale
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterWindale
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 Windale
Compare heat pump hot water systems suitable for Windale'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 - Windale, 2306
Hot Water Demographics - Windale
Based on the Australian Bureau of Statistics 2021 Census (ABS), Windale has around 1,404 private dwellings, home to approximately 3,039 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, Windale households use approximately 115 litres of hot water daily, equating to a massive 0.2 million litres of hot water used across the suburb every single day.
Other census insights reinforce Windale's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Windale community is home to 125 couple families with children and 217 one-parent families, meaning a large proportion of households face substantial hot water demand. With 146 homes owned with a mortgage and 99 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.
Windale is converting hot water demand to efficient systems faster than many peers, with 3.8% of dwellings already upgraded.
Hot water systems in Windale
Across Windale, more homeowners and local businesses 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 many separate houses and townhouses (over 1,200 occupied dwellings) and an average household size of 2.3 people, hot water is a big chunk of the power bill for families on modest incomes.
Windale’s sunny climate makes upgrades even more attractive. The nearby Mt Hutton weather station records an average annual solar exposure of around 17 MJ/m² a day, which is roughly 4.7 kWh/m² per day. That strong sunlight supports both a solar hot water heating system on the roof and a high-efficiency heat pump hot water system in the yard. For households watching every dollar, moving from old gas or electric to an energy efficient hot water system can deliver substantial Annual Hot Water Energy Savings without sacrificing comfort.
With median household income around $775 a week and many homes rented (over 1,000 rental dwellings, including a high share of social housing), keeping running costs down really matters. A well-sized solar hot water vs electric hot water upgrade, or a smart heat pump vs solar hot water choice, can trim hundreds of dollars a year from bills, especially when paired with rooftop solar.
In the 2306 postcode, demand for efficient hot water has been steadily building. Average household size and a large number of three-bedroom homes mean hot water demand is steady, and hot water energy use can be one of the biggest single loads in a typical Windale home. That is why more locals are asking about the most efficient hot water system, comparing electric hot water vs gas hot water, and looking closely at hot water system price and running cost.
Typical annual bill savings for Windale homes can look like this:
• Old electric to heat pump hot water installation: $350–$700 per year • Gas to heat pump hot water system: $250–$600 per year • Gas to solar hot water installation: $250–$550 per year • Old electric to modern electric hot water installation with solar: $200–$450 per year
Brands like Rheem heat pump hot water and Rheem solar hot water are common choices for reliable performance, while Sanden heat pump systems are popular with households chasing the best heat pump hot water system and ultra-low running costs. Rinnai solar hot water and Chromagen solar hot water options are also seen on local roofs where people want a proven solar hot water tank replacement that works well with existing solar power.
Recent activity shows the trend clearly. There have been 54 efficient hot water systems installed in Windale, combining both heat pump and solar hot water installation jobs. Installations peaked around 2010, with 28 systems that year, and there were noticeable bumps in 2009 and 2015–2016. More recently, new systems went in during 2023 and 2025. Every new system represents a household leaning into electrification, lower running costs and cleaner hot water NSW wide.
Hot Water Rebates, Tariffs & Savings
Across Windale, interest is growing in replacing tired gas or resistive electric units with efficient options like a heat pump hot water system, a modern electric hot water system or a solar hot water heating system. Australian Government Small-scale Technology Certificates (STCs) can apply to eligible systems, effectively acting as a solar hot water rebate or heat pump hot water rebate that reduces upfront cost. NSW programmes and retailer offers may also provide a hot water rebate nsw for certain heat pump or electric hot water system rebate schemes, particularly when you are moving away from gas.
For many Windale households, these discounts can slice a substantial percentage off the installed heat pump hot water price or solar hot water price. When you add in bill savings of a few hundred dollars per year, payback periods can shorten to just a few years, especially if you already have solar and use timers or solar diversion to run the system when your panels are generating.
If your hot water system is getting old, noisy or unreliable, this is a good time to see whether a heat pump hot water system, solar hot water system or efficient electric hot water system is right for your Windale home. Talk with experienced hot water installers like us who handle hot water installation, hot water repair and solar hot water repair every day. With Windale’s solid solar resource and growing interest in sustainability, upgrading to an energy efficient hot water system can cut bills, reduce emissions and future-proof your place. Reach out for personalised advice on the best hot water system Australia can offer for your budget and to check which rebates you can claim on hot water nsw today.