Hot Water Systems in St Peters
The 5069 postcode, covering St Peters, College Park, Evandale, Hackney, Maylands and Stepney and surrounding areas, is home to around 3,725 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 Peters and the 5069 area, 130 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 Peters's climate delivering an average of 4.8 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 5069
129th
State Wide
1278th
Australia Wide
Hot Water Installation St Peters
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 Peters
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterSt Peters
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 Peters
Compare heat pump hot water systems suitable for St Peters'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 Peters, 5069
Hot Water Demographics - St Peters
Based on the Australian Bureau of Statistics 2021 Census (ABS), St Peters has around 3,725 private dwellings, home to approximately 7,906 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 Peters households use approximately 115 litres of hot water daily, equating to a massive 0.4 million litres of hot water used across the suburb every single day.
Other census insights reinforce St Peters's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The St Peters community is home to 651 couple families with children and 108 one-parent families, meaning a large proportion of households face substantial hot water demand. With 957 homes owned with a mortgage and 1,252 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 Peters is converting hot water demand to efficient systems faster than many peers, with 3.5% of dwellings already upgraded.
Hot water systems in St Peters
In St Peters, more homeowners are rethinking their old gas and electric hot water system and switching to smarter, energy efficient options. With a high rate of home ownership, solid median household incomes and an average household size of around 2.3 people, many local families are looking to cut running costs without sacrificing comfort. Upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step.
St Peters enjoys strong sunlight, with average annual solar exposure of about 17.2 MJ/m² a day (around 4.8 kWh/m²/day). That level of sunshine is ideal for both a solar hot water heating system on the roof and a quality heat pump hot water installation in the yard, helping households slash the energy used for showers, laundry and dishwashing. For many homes, hot water can be one of the biggest energy loads, so the potential Annual Hot Water Energy Savings from upgrading in 5069 is significant.
Across the 3,400‑plus occupied private dwellings in the postcode, there is a mix of character homes and newer townhouses, many already with solar panels. As hot water energy use is brought into line with efficient lighting and appliances, the shift away from old gas storage units and ageing electric cylinders is accelerating. Households paying around $2,179 a month on the median mortgage are understandably keen to lock in a more energy efficient hot water system that tames quarterly bills.
For a typical St Peters family, the most efficient hot water system is usually either a quality heat pump hot water system or a well‑designed solar hot water system backed up by efficient electric boosting. Brands like Sanden heat pump units and Rheem heat pump hot water systems are popular for low‑running‑cost upgrades, while rheem solar hot water, Rinnai solar hot water and Chromagen solar hot water systems are common choices for roof‑mounted collectors. For many, the decision comes down to heat pump vs solar hot water, roof space, shading and budget.
Average annual bill savings for local upgrades can look like this:
• Old electric to heat pump: $350–$650 per year • Gas storage to heat pump: $250–$500 per year • Gas storage to solar hot water: $300–$600 per year • Old electric to modern electric with solar PV: $200–$450 per year
In St Peters 5069 there have been 130 efficient hot water installations recorded, including both heat pump and solar hot water installation jobs. Installations peaked in the mid‑2000s, with strong years around 2004–2010, and there has been a steady trickle of new systems right through to 2023. This pattern reflects growing local interest in electrification, lower running costs and replacing ageing gas systems with efficient hot water technology.
When it comes to hot water installation, hot water repair and solar hot water repair, St Peters households are also weighing up solar hot water vs electric hot water, and electric hot water vs gas hot water, especially as gas prices rise. Many are planning solar hot water tank replacement at the same time as a roof solar upgrade, or choosing the best heat pump hot water system they can afford to pair with their PV. With a competitive hot water system price and careful design, the overall heat pump hot water price or solar hot water price can be offset by lower bills over time.
Hot Water Rebates, Tariffs & Savings
Right across SA, including St Peters, interest is growing in replacing old gas or electric hot water with efficient options like a modern electric hot water system, solar hot water or a high‑performance heat pump. Homeowners can often tap into a mix of Australian Government Small‑scale Technology Certificates (STCs) and state‑based heat pump hot water rebate or solar hot water rebate programs. In some cases, there is also an electric hot water system rebate when moving away from gas. These incentives effectively cut the upfront hot water system cost, sometimes reducing the price by 20–40% once all discounts are applied.
For many St Peters homes, that means a quality energy efficient hot water system can pay for itself in just a few years, particularly when combined with solar PV and a suitable hot water tariff. Typical savings from an efficient hot water upgrade can easily reach hundreds of dollars a year. Using timers or solar‑diversion controls so the system runs mainly on daytime solar can shorten the payback even further, especially for those aiming for the best hot water system Australia can offer for an all‑electric home.
If you live in St Peters and your current unit is older, noisy, leaking or still running on gas, now is a smart time to check whether your home is ready for a hot water upgrade. Talk with experienced hot water SA installers who specialise in heat pump hot water installation, solar hot water installation and electric hot water installation. With St Peters’ strong solar resource and growing interest in sustainability, an efficient system can reduce bills, cut emissions and future‑proof your home. For tailored advice on hot water SA options and the latest hot water rebate SA programs, connect with trusted local experts for personalised guidance with us today.