Hot Water Systems in Little Jilliby
The 2259 postcode, covering Little Jilliby, South Tacoma, Alison, Bushells Ridge, Cedar Brush Creek, Chain Valley Bay, Crangan Bay, Dooralong, Durren Durren, Frazer Park, Freemans, Gwandalan, Halloran, Hamlyn Terrace, Jilliby, Kanwal, Kiar, Kingfisher Shores, Lake Munmorah, Lemon Tree, 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 Little 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 Little 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 Little 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 Little Jilliby
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterLittle Jilliby
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 Little Jilliby
Compare heat pump hot water systems suitable for Little 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 - Little Jilliby, 2259
Hot Water Demographics - Little Jilliby
Based on the Australian Bureau of Statistics 2021 Census (ABS), Little 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, Little 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 Little Jilliby's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Little 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.
Little Jilliby is converting hot water demand to efficient systems faster than many peers, with 10.5% of dwellings already upgraded.
Hot water systems in Little Jilliby
In Little Jilliby, more households are rethinking their hot water system as power prices climb and families look for smarter, low‑running‑cost options. With most of the 22,000‑plus separate houses across the 2259 postcode and an average household size of 2.7 people, hot showers, dishwashers and laundry all add up. Shifting from old gas or an ageing electric hot water system to an energy efficient hot water system is a simple way to cut bills year after year.
Little Jilliby is well placed for efficient hot water upgrades. Local solar data from Jilliby Creek shows an average annual solar exposure of around 16.2 MJ/m² per day (about 4.5 kWh/m²/day), which is excellent for both a solar hot water system and a modern heat pump hot water system. That strong sunlight supports reliable solar hot water heating system performance and helps heat pumps run more efficiently, especially when paired with rooftop solar. With many families and over‑65s in the area, a steady supply of affordable, reliable hot water is a real quality‑of‑life issue, not a luxury.
Across the 2259 postcode, efficient hot water systems are already making a difference, with 2,648 heat pump and solar hot water installations recorded. For a typical Little Jilliby family home, hot water can be one of the biggest single energy users. Swapping an old electric hot water system for a quality heat pump hot water system or solar hot water vs electric hot water can dramatically reduce that share of your power bill, especially if you are already running solar.
Average annual bill savings many locals see from a smart hot water upgrade look roughly like this:
• Old electric to heat pump hot water system: about $400–$800 per year • Gas to heat pump hot water system: about $300–$600 per year • Gas to solar hot water system: about $300–$700 per year • Old electric to modern electric hot water installation with solar: about $250–$500 per year
Brands like Rheem heat pump hot water and Rheem solar hot water are popular for robust, well‑known systems, while Sanden heat pump units are often chosen as some of the best heat pump hot water system options for efficiency. Rinnai solar hot water and Chromagen solar hot water are also common choices when homeowners want a dependable solar hot water installation with good backup options for cloudy days. A good installer will help you compare heat pump vs solar hot water for your roof space, family size and budget, and talk through hot water system price / cost, heat pump hot water price / cost and solar hot water price / cost in plain English.
In Little Jilliby, the hot water installation trend has been building for years. Install numbers jumped sharply around 2009–2011, with 579 systems installed in 2009 alone, then steady activity through the 2010s and ongoing upgrades right through to 2025. Those 2,648 total installations show a clear local shift towards electrification, lower running costs and the most efficient hot water system people can reasonably afford. As more homes add solar, pairing it with heat pump hot water installation or a solar hot water tank replacement is becoming the logical next step.
Hot Water Rebates, Tariffs & Savings
There is strong interest in hot water NSW‑wide in moving away from old gas or resistive electric units towards heat pumps, modern electric hot water installation and solar hot water systems. For Little Jilliby homeowners, generous incentives help make the numbers stack up. The Australian Federal Government’s Small‑scale Technology Certificates (STCs) effectively act as an upfront discount on eligible systems like a solar hot water heating system or approved heat pump units. On top of that, state programmes can offer a heat pump hot water rebate, solar hot water rebate or electric hot water system rebate, all aimed at encouraging energy efficient hot water system choices.
These hot water rebate NSW offers can trim the installed hot water system cost or solar hot water price / cost by a substantial percentage, especially for larger family systems. When you combine rebates with a good feed‑in tariff or smart off‑peak tariffs, typical savings from an efficient hot water upgrade can easily reach hundreds of dollars per year. Add a timer or solar‑diversion control so your electric hot water vs gas hot water runs mainly on your own rooftop solar, and payback periods can shrink dramatically.
If your hot water system is older, noisy, leaking or just expensive to run, it is a great time to see whether a heat pump hot water system, solar hot water vs electric hot water, or a modern all‑electric hot water upgrade is right for your Little Jilliby home. Talk with experienced hot water repair and installation specialists who know the local climate and can recommend the best hot water system Australia has to offer for your needs. Whether you are considering Rheem solar hot water, Rinnai solar hot water, a Sanden heat pump or Chromagen solar hot water, working with trusted local experts means safer installation, reliable hot water repair if needed, and a system that cuts bills, lowers emissions and future‑proofs your home. Reach out to our Little Jilliby hot water specialists for personalised advice and a clear quote on the right hot water systems Little Jilliby households can rely on.