Hot Water Systems in Jerrara
The 2533 postcode, covering Jerrara, Bombo, Curramore, Jamberoo, Kiama, Kiama Downs, Kiama Heights, Minnamurra and Saddleback Mountain and surrounding areas, is home to around 7,434 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 Jerrara and the 2533 area, 1,188 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 Jerrara'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 2533
51st
State Wide
237th
Australia Wide
Hot Water Installation Jerrara
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 Jerrara
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterJerrara
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 Jerrara
Compare heat pump hot water systems suitable for Jerrara'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 - Jerrara, 2533
Hot Water Demographics - Jerrara
Based on the Australian Bureau of Statistics 2021 Census (ABS), Jerrara has around 7,434 private dwellings, home to approximately 16,092 people. With an average household size of 2.5 people, and around 50 litres of hot water used per person each day in Australia, Jerrara households use approximately 125 litres of hot water daily, equating to a massive 0.9 million litres of hot water used across the suburb every single day.
Other census insights reinforce Jerrara's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Jerrara community is home to 1,277 couple families with children and 240 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,984 homes owned with a mortgage and 3,070 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.
Jerrara is converting hot water demand to efficient systems faster than many peers, with 16.0% of dwellings already upgraded.
Hot water systems in Jerrara
Across Jerrara and the wider 2533 area, more households are rethinking their hot water system. With power prices rising and many locals keen to move away from gas, energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system are becoming the obvious upgrade. For a postcode where the average household size is around 2.5 people and many homes are owned outright or with a mortgage, switching to the most efficient hot water system can make a real dent in weekly running costs.
Jerrara enjoys strong sunshine, with Kiama’s weather station showing average solar exposure of about 16.2 MJ/m² a day – roughly 4.5 kWh/m². That level of sun is ideal for a solar hot water heating system or a well‑sized heat pump hot water system that runs cheaply during the day. With more than 6,400 occupied private dwellings across 2533, even modest annual hot water energy savings per home quickly add up to a big community benefit. Households here typically juggle a mortgage of around $2,240 a month and a median family income just over $2,100 a week, so cutting hundreds of dollars a year from bills is a very practical step.
In the 2533 postcode, efficient hot water installations have steadily grown, particularly as families and downsizers compare heat pump vs solar hot water and look for a reliable hot water installation that will last. Many three and four‑bedroom homes have higher hot water demand, so choosing the best hot water system Australia offers for your usage really matters. Local installers regularly work with trusted brands such as Rheem, Rinnai, Sanden and Thermann, offering options from rheem solar hot water and rheem heat pump hot water through to rinnai solar hot water and premium sanden heat pump units. These sit alongside quality chromagen solar hot water alternatives where appropriate.
Typical annual bill savings in Jerrara for an energy efficient hot water system can look like:
• Old electric to heat pump hot water installation: save around $400–$800 per year. • Gas to heat pump hot water system: save about $300–$700 per year. • Gas to solar hot water installation: save roughly $250–$600 per year. • Old electric to modern electric hot water installation paired with rooftop solar: save about $250–$500 per year.
Since 2001, around 1,188 efficient hot water systems have been installed across the 2533 postcode, covering both heat pump and solar hot water installation projects. Installations surged around 2008–2011, with a peak of 338 systems in 2009 as rebates and early adopters drove demand. While yearly numbers have eased back since, there is steady ongoing interest, with new systems going in every year through to 2025. This pattern shows how Jerrara households are gradually electrifying, shifting from older gas or resistive electric units to smarter, lower‑cost options.
Hot Water Rebates, Tariffs & Savings
For Jerrara homeowners, hot water nsw incentives are a big part of the story. Federal Small‑scale Technology Certificates (STCs) apply to eligible solar hot water systems and heat pump hot water systems, effectively acting as an upfront discount on the solar hot water price / cost or heat pump hot water price / cost. On top of that, state heat pump hot water rebate and solar hot water rebate programs, plus occasional electric hot water system rebate offers, can substantially reduce the overall hot water system price / cost of going efficient. When you compare solar hot water vs electric hot water or electric hot water vs gas hot water in this context, the payback period for an upgrade can shrink to just a few years, especially if you already have rooftop solar. Smart use of timers or solar‑diversion controls lets your electric hot water system or heat pump soak up excess solar, turning it into free hot water instead of exporting cheap power back to the grid. Over the life of the system, that can mean thousands of dollars saved and a noticeable cut in emissions.
If your current unit is old, unreliable or you are facing a solar hot water tank replacement or hot water repair, it is a good time to look at an energy efficient hot water system rather than just like‑for‑like. Local specialists can help weigh up heat pump vs solar hot water for your roof space, budget and household size, and advise on solar hot water vs electric hot water if you are planning an all‑electric home. They can also handle electric hot water installation, solar hot water repair and hot water repair on existing systems, and make sure you are on the right tariff for off‑peak savings.
If you live in Jerrara or the surrounding 2533 suburbs and want to future‑proof your place, now is a smart time to check whether your home is ready for a hot water upgrade. Whether you are moving from gas to a heat pump hot water system, considering rheem solar hot water or rinnai solar hot water, or looking at the best heat pump hot water system options like sanden heat pump, working with experienced hot water nsw installers matters. With strong local solar resources, a clear trend towards sustainability and generous hot water rebate nsw support, an efficient hot water system can trim your bills, cut your carbon footprint and add value to your home. Reach out to trusted local experts for personalised advice with us and find the right hot water solution for your Jerrara property.
