Hot Water Systems in St Pauls
The 2031 postcode, covering St Pauls, Randwick Dc, Clovelly, Clovelly West and Randwick and surrounding areas, is home to around 15,296 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 St Pauls and the 2031 area, 215 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 St Pauls's climate delivering an average of 4.6 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 2031
244th
State Wide
986th
Australia Wide
Hot Water Installation St Pauls
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 St Pauls
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterSt Pauls
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 St Pauls
Compare heat pump hot water systems suitable for St Pauls'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 - St Pauls, 2031
Hot Water Demographics - St Pauls
Based on the Australian Bureau of Statistics 2021 Census (ABS), St Pauls has around 15,296 private dwellings, home to approximately 30,779 people. With an average household size of 2.3 people, and around 50 litres of hot water used per person each day in Australia, St Pauls households use approximately 115 litres of hot water daily, equating to a massive 1.8 million litres of hot water used across the suburb every single day.
Other census insights reinforce St Pauls's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The St Pauls community is home to 2,712 couple families with children and 453 one-parent families, meaning a large proportion of households face substantial hot water demand. With 3,297 homes owned with a mortgage and 3,336 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.
St Pauls is converting hot water demand to efficient systems faster than many peers, with 1.4% of dwellings already upgraded.
Hot water systems in St Pauls
Across St Pauls and the wider 2031 area, more households are swapping old gas and electric units for an energy efficient hot water system. With a median household size of around 2.3 people and more than 13,000 dwellings, there’s strong demand for reliable hot water that does not send power bills through the roof. Many locals are on good incomes but still feeling energy costs, so upgrading from an older gas or electric hot water system to a modern heat pump hot water system or solar hot water system is a logical next step.
St Pauls enjoys excellent sunshine, with average annual solar exposure of about 16.7 MJ/m² per day (roughly 4.6 kWh/m²), which is ideal for both a solar hot water heating system and high efficiency heat pump hot water. That coastal sun helps deliver solid Annual Hot Water Energy Savings when you move away from a hungry old electric hot water system. With more than 3,300 homes owned outright and a similar number owned with a mortgage, many owner occupiers are now looking at long term options like the most efficient hot water system they can fit, rather than just the cheapest replacement.
In this part of NSW, hot water energy use can be a big slice of the household bill, especially for the many apartments and townhouses in 2031 that run purely on electricity. A well sized heat pump hot water installation for a typical 2–3 bedroom home in St Pauls can cover daily showers, laundry and dishwashing at a fraction of the running cost of older units. Where roofs suit it, a solar hot water installation paired with PV can push costs down even further, and newer electric hot water installation options can work well when timed to soak up excess solar.
Average annual bill savings for St Pauls homes can look like:
• Replacing old electric with a heat pump hot water system: $400–$800 per year • Swapping gas hot water for a heat pump: $300–$600 per year • Switching gas to a solar hot water system: $350–$700 per year • Upgrading old electric to a modern electric hot water system run on rooftop solar: $250–$600 per year
Brands like Rheem heat pump hot water, Sanden heat pump and Rinnai solar hot water are popular for efficiency and reliability, while systems such as Chromagen solar hot water are also common where roof space and aspect are suitable. Many locals research heat pump vs solar hot water, solar hot water vs electric hot water and even electric hot water vs gas hot water to find the best hot water system Australia can offer for their situation.
In St Pauls and the 2031 postcode, there have already been 215 efficient hot water installations (heat pump and solar hot water) recorded. Installations peaked during strong rebate years like 2004, 2005 and 2009, then settled into a steady trickle more recently, reflecting ongoing interest in electrification and lower running costs. Each new solar hot water tank replacement, heat pump hot water installation or solar hot water repair adds to a growing pool of homes enjoying an energy efficient hot water system and lower emissions.
Hot Water Rebates, Tariffs & Savings
Right now, there is strong interest in hot water NSW wide in replacing old gas or electric units with efficient options like a heat pump hot water system, modern electric hot water system or solar hot water system. For St Pauls homeowners, Australian Government Small-scale Technology Certificates (STCs) can reduce the upfront hot water system price, and state heat pump hot water rebate or solar hot water rebate programs can further cut the solar hot water price or heat pump hot water price. In some cases, these discounts effectively reduce system cost by a substantial percentage, and when you add an electric hot water system rebate or hot water rebate NSW schemes, your payback period can drop to just a few years. Combine this with timers or solar diversion and your hot water system cost is quickly offset by hundreds of dollars per year in savings.
Whether you are weighing up the best heat pump hot water system, comparing Rheem solar hot water with Chromagen or looking at a simple solar hot water repair or hot water installation, it pays to get local advice. If you are in St Pauls and your current unit is ageing, noisy or costly to run, this is a smart time to check if your home is ready for a hot water upgrade. Talk with experienced hot water installers like us—heat pump and solar hot water specialists who understand local conditions, tariffs and rebates. With St Pauls’ strong solar resource and growing focus on sustainability, an efficient hot water system can help you cut bills, reduce emissions and future proof your home. Connect with trusted local experts for personalised advice on hot water repair, replacement and energy efficient hot water upgrades today.