Hot Water Systems in Jilliby
The 2259 postcode, covering Jilliby, South Tacoma, Alison, Bushells Ridge, Cedar Brush Creek, Chain Valley Bay, Crangan Bay, Dooralong, Durren Durren, Frazer Park, Freemans, Gwandalan, Halloran, Hamlyn Terrace, Kanwal, Kiar, Kingfisher Shores, Lake Munmorah, Lemon Tree, Little Jilliby, Mannering Park, Mardi, Moonee, Point Wolstoncroft, Ravensdale, Rocky Point, Summerland Point, Tacoma, Tacoma South, Tuggerah, Tuggerawong, Wadalba, Wallarah, Warnervale, Watanobbi, Woongarrah, Wybung, Wyee, Wyee Point, Wyong, Wyong Creek, Wyongah and Yarramalong and surrounding areas, is home to around 25,188 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 Jilliby and the 2259 area, 2,648 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 Jilliby'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 2259
10th
State Wide
72nd
Australia Wide
Hot Water Installation Jilliby
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 Jilliby
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterJilliby
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 Jilliby
Compare heat pump hot water systems suitable for Jilliby'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 - Jilliby, 2259
Hot Water Demographics - Jilliby
Based on the Australian Bureau of Statistics 2021 Census (ABS), Jilliby has around 25,188 private dwellings, home to approximately 62,207 people. With an average household size of 2.7 people, and around 50 litres of hot water used per person each day in Australia, Jilliby households use approximately 135 litres of hot water daily, equating to a massive 3.4 million litres of hot water used across the suburb every single day.
Other census insights reinforce Jilliby's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Jilliby community is home to 4,959 couple families with children and 1,867 one-parent families, meaning a large proportion of households face substantial hot water demand. With 8,582 homes owned with a mortgage and 8,091 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.
Jilliby is converting hot water demand to efficient systems faster than many peers, with 10.5% of dwellings already upgraded.
Hot water systems in Jilliby
Across Jilliby and the wider 2259 area, more households are shifting from old gas units to an energy efficient hot water system, whether that is a modern electric hot water system, a solar hot water system or a heat pump hot water system. With around 23,500 occupied dwellings and an average household size of 2.7 people, hot water is one of the biggest energy users on the bill – so it makes sense locals are looking for smarter options.
Jilliby’s climate is ideal for efficient hot water. The area enjoys mean daily solar exposure of about 16.2 MJ/m², which works out to roughly 4.5 kWh/m² of sunshine a day over the year. That strong solar resource helps both a solar hot water heating system and a heat pump hot water system perform well, especially when paired with rooftop solar. With many homes owned outright or with a mortgage, and median household income sitting around $1,532 a week, upgrading from older gas or resistive electric hot water to the most efficient hot water system is becoming a logical next step for cutting running costs and future‑proofing the home.
In 2259, the mix of three and four bedroom homes means plenty of families with steady hot water demand. Hot water can easily account for a quarter of household energy use, so switching to an energy efficient hot water system can deliver noticeable savings. Brands like Rheem heat pump hot water, Sanden heat pump units, Rinnai solar hot water and Chromagen solar hot water are all popular options locally, with choices from compact heat pump hot water installation for smaller homes through to larger rheem solar hot water or rinnai solar hot water packages for busy family households.
Average annual bill savings will vary, but typical ranges our local customers see include:
• Old electric to heat pump: $450–$900 per year • Gas to heat pump: $350–$750 per year • Gas to solar hot water: $300–$700 per year • Old electric to modern electric with solar: $250–$600 per year
Over time, these savings usually outweigh the hot water system price, especially once rebates are factored in. Even when comparing heat pump vs solar hot water, both can dramatically cut the lifetime hot water system cost compared with sticking with gas. For some homes, a quality best heat pump hot water system such as Sanden or Rheem will be the best fit; others may prefer a solar hot water installation with a generous solar hot water tank replacement to maximise free sunshine.
Jilliby and the 2259 postcode already have a strong track record with efficient hot water, with 2,648 systems installed to date. Installations ramped up sharply around 2009, with 579 systems that year, and have continued steadily since, with dozens more heat pump and solar hot water installations every year through to 2025. This long‑term trend shows growing local interest in electrification, lower running costs and moving towards the best hot water system Australia can offer for reliability and efficiency.
Hot Water Rebates, Tariffs & Savings
Across Jilliby NSW, more residents are now replacing old gas or electric hot water with efficient options like heat pump hot water, new electric hot water installation or a solar hot water heating system. Federal incentives such as Small‑scale Technology Certificates (STCs) can reduce the upfront solar hot water price or heat pump hot water price, while NSW hot water rebate programs may offer additional discounts for approved heat pump hot water installation or electric hot water system rebate schemes. Together, these hot water rebate NSW offers can effectively reduce system cost by a substantial percentage, often shaving thousands off the solar hot water cost or heat pump hot water cost.
For many Jilliby homes, a well‑designed upgrade can save hundreds of dollars per year and shorten payback periods, especially when combined with rooftop solar and smart controls. Using timers or solar‑diversion to run your electric hot water system during sunny hours can make solar hot water vs electric hot water comparisons even more favourable, and helps ensure you are getting the most efficient hot water system performance for your lifestyle.
If your current unit is older, noisy or struggling, it may be time to look at a hot water installation or hot water repair that sets you up for the next decade. Whether you are considering rheem solar hot water, a best heat pump hot water system from brands like Sanden, or a modern electric hot water vs gas hot water switch, working with experienced local specialists in hot water NSW is essential. With Jilliby’s strong solar resource and growing focus on sustainability, efficient hot water systems can cut bills, reduce emissions and future‑proof your property. To compare options, understand hot water system price ranges, access solar hot water rebate and heat pump hot water rebate offers, arrange solar hot water repair or plan a solar hot water tank replacement, connect with trusted local experts for personalised advice and a smooth, compliant hot water upgrade.